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| author | Lennart Weller <lhw@ring0.de> | 2016-09-05 08:27:21 +0000 |
|---|---|---|
| committer | Lennart Weller <lhw@ring0.de> | 2016-09-05 08:27:21 +0000 |
| commit | 1746898cefcb17f58b5cf27b4dad3d28236f1152 (patch) | |
| tree | 9207f191cf39bbd077a1e1c73d6e82123e2fc710 /src/apps_plugin.c | |
| parent | Imported Upstream version 1.2.0+dfsg (diff) | |
| download | netdata-1746898cefcb17f58b5cf27b4dad3d28236f1152.tar.xz netdata-1746898cefcb17f58b5cf27b4dad3d28236f1152.zip | |
Imported Upstream version 1.3.0+dfsgupstream/1.3.0+dfsg
Diffstat (limited to 'src/apps_plugin.c')
| -rw-r--r-- | src/apps_plugin.c | 4651 |
1 files changed, 2544 insertions, 2107 deletions
diff --git a/src/apps_plugin.c b/src/apps_plugin.c index 0bcdfcf50..ee400b72e 100644 --- a/src/apps_plugin.c +++ b/src/apps_plugin.c @@ -1,272 +1,96 @@ -// TODO -// -// 1. disable RESET_OR_OVERFLOW check in charts - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/wait.h> -#include <sys/stat.h> - -#include <sys/resource.h> -#include <sys/stat.h> - -#include <errno.h> -#include <stdarg.h> -#include <locale.h> -#include <ctype.h> -#include <fcntl.h> - -#include <malloc.h> -#include <dirent.h> -#include <arpa/inet.h> - -#include <sys/types.h> -#include <pwd.h> -#include <grp.h> - -#include "avl.h" - #include "common.h" -#include "log.h" -#include "procfile.h" -#include "../config.h" - -#ifdef NETDATA_INTERNAL_CHECKS -#include <sys/prctl.h> -#endif #define MAX_COMPARE_NAME 100 #define MAX_NAME 100 #define MAX_CMDLINE 1024 -long processors = 1; -long pid_max = 32768; +// the rates we are going to send to netdata +// will have this detail +// a value of: +// 1 will send just integer parts to netdata +// 100 will send 2 decimal points +// 1000 will send 3 decimal points +// etc. +#define RATES_DETAIL 10000ULL + +int processors = 1; +pid_t pid_max = 32768; int debug = 0; int update_every = 1; +unsigned long long global_iterations_counter = 1; unsigned long long file_counter = 0; int proc_pid_cmdline_is_needed = 0; - +int include_exited_childs = 1; char *host_prefix = ""; char *config_dir = CONFIG_DIR; -#ifdef NETDATA_INTERNAL_CHECKS -// ---------------------------------------------------------------------------- -// memory debugger -// do not use in production systems - it mis-aligns allocated memory - -struct allocations { - size_t allocations; - size_t allocated; - size_t allocated_max; -} allocations = { 0, 0, 0 }; - -#define MALLOC_MARK (uint32_t)(0x0BADCAFE) -#define MALLOC_PREFIX (sizeof(uint32_t) * 2) -#define MALLOC_SUFFIX (sizeof(uint32_t)) -#define MALLOC_OVERHEAD (MALLOC_PREFIX + MALLOC_SUFFIX) - -void *mark_allocation(void *allocated_ptr, size_t size_without_overheads) { - uint32_t *real_ptr = (uint32_t *)allocated_ptr; - real_ptr[0] = MALLOC_MARK; - real_ptr[1] = (uint32_t) size_without_overheads; - - uint32_t *end_ptr = (uint32_t *)(allocated_ptr + MALLOC_PREFIX + size_without_overheads); - end_ptr[0] = MALLOC_MARK; - - // fprintf(stderr, "MEMORY_POINTER: Allocated at %p, returning %p.\n", allocated_ptr, (void *)(allocated_ptr + MALLOC_PREFIX)); - - return allocated_ptr + MALLOC_PREFIX; -} - -void *check_allocation(const char *file, int line, const char *function, void *marked_ptr, size_t *size_without_overheads_ptr) { - uint32_t *real_ptr = (uint32_t *)(marked_ptr - MALLOC_PREFIX); - - // fprintf(stderr, "MEMORY_POINTER: Checking pointer at %p, real %p for %s/%u@%s.\n", marked_ptr, (void *)(marked_ptr - MALLOC_PREFIX), function, line, file); - - if(real_ptr[0] != MALLOC_MARK) fatal("MEMORY: prefix MARK is not valid for %s/%u@%s.", function, line, file); - - size_t size = real_ptr[1]; - - uint32_t *end_ptr = (uint32_t *)(marked_ptr + size); - if(end_ptr[0] != MALLOC_MARK) fatal("MEMORY: suffix MARK of allocation with size %zu is not valid for %s/%u@%s.", size, function, line, file); - - if(size_without_overheads_ptr) *size_without_overheads_ptr = size; - - return real_ptr; -} - -void *malloc_debug(const char *file, int line, const char *function, size_t size) { - void *ptr = malloc(size + MALLOC_OVERHEAD); - if(!ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file); - - allocations.allocated += size; - allocations.allocations++; - - debug(D_MEMORY, "MEMORY: Allocated %zu bytes for %s/%u@%s." - " Status: allocated %zu in %zu allocs." - , size - , function, line, file - , allocations.allocated - , allocations.allocations - ); - - if(allocations.allocated > allocations.allocated_max) { - debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated); - allocations.allocated_max = allocations.allocated; - } - - size_t csize; - check_allocation(file, line, function, mark_allocation(ptr, size), &csize); - if(size != csize) { - fatal("Invalid size."); - } - - return mark_allocation(ptr, size); -} - -void *calloc_debug(const char *file, int line, const char *function, size_t nmemb, size_t size) { - void *ptr = malloc_debug(file, line, function, (nmemb * size)); - bzero(ptr, nmemb * size); - return ptr; -} - -void free_debug(const char *file, int line, const char *function, void *ptr) { - size_t size; - void *real_ptr = check_allocation(file, line, function, ptr, &size); - - bzero(real_ptr, size + MALLOC_OVERHEAD); - - free(real_ptr); - allocations.allocated -= size; - allocations.allocations--; - - debug(D_MEMORY, "MEMORY: freed %zu bytes for %s/%u@%s." - " Status: allocated %zu in %zu allocs." - , size - , function, line, file - , allocations.allocated - , allocations.allocations - ); -} - -void *realloc_debug(const char *file, int line, const char *function, void *ptr, size_t size) { - if(!ptr) return malloc_debug(file, line, function, size); - if(!size) { free_debug(file, line, function, ptr); return NULL; } - - size_t old_size; - void *real_ptr = check_allocation(file, line, function, ptr, &old_size); - - void *new_ptr = realloc(real_ptr, size + MALLOC_OVERHEAD); - if(!new_ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file); +pid_t *all_pids_sortlist = NULL; - allocations.allocated += size; - allocations.allocated -= old_size; +// will be automatically set to 1, if guest values are collected +int show_guest_time = 0; +int show_guest_time_old = 0; - debug(D_MEMORY, "MEMORY: Re-allocated from %zu to %zu bytes for %s/%u@%s." - " Status: allocated %z in %zu allocs." - , old_size, size - , function, line, file - , allocations.allocated - , allocations.allocations - ); +int enable_guest_charts = 0; +int enable_file_charts = 1; - if(allocations.allocated > allocations.allocated_max) { - debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated); - allocations.allocated_max = allocations.allocated; - } - - return mark_allocation(new_ptr, size); -} - -char *strdup_debug(const char *file, int line, const char *function, const char *ptr) { - size_t size = 0; - const char *s = ptr; - - while(*s++) size++; - size++; - - char *p = malloc_debug(file, line, function, size); - if(!p) fatal("Cannot allocate %zu bytes.", size); +// ---------------------------------------------------------------------------- - memcpy(p, ptr, size); - return p; +void netdata_cleanup_and_exit(int ret) { + exit(ret); } -#define malloc(size) malloc_debug(__FILE__, __LINE__, __FUNCTION__, (size)) -#define calloc(nmemb, size) calloc_debug(__FILE__, __LINE__, __FUNCTION__, (nmemb), (size)) -#define realloc(ptr, size) realloc_debug(__FILE__, __LINE__, __FUNCTION__, (ptr), (size)) -#define free(ptr) free_debug(__FILE__, __LINE__, __FUNCTION__, (ptr)) - -#ifdef strdup -#undef strdup -#endif -#define strdup(ptr) strdup_debug(__FILE__, __LINE__, __FUNCTION__, (ptr)) - -#endif /* NETDATA_INTERNAL_CHECKS */ // ---------------------------------------------------------------------------- // system functions // to retrieve settings of the system long get_system_cpus(void) { - procfile *ff = NULL; + procfile *ff = NULL; - int processors = 0; + int processors = 0; - char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s/proc/stat", host_prefix); + char filename[FILENAME_MAX + 1]; + snprintfz(filename, FILENAME_MAX, "%s/proc/stat", host_prefix); - ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT); - if(!ff) return 1; + ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT); + if(!ff) return 1; - ff = procfile_readall(ff); - if(!ff) { - procfile_close(ff); - return 1; - } + ff = procfile_readall(ff); + if(!ff) + return 1; - unsigned int i; - for(i = 0; i < procfile_lines(ff); i++) { - if(!procfile_linewords(ff, i)) continue; + unsigned int i; + for(i = 0; i < procfile_lines(ff); i++) { + if(!procfile_linewords(ff, i)) continue; - if(strncmp(procfile_lineword(ff, i, 0), "cpu", 3) == 0) processors++; - } - processors--; - if(processors < 1) processors = 1; + if(strncmp(procfile_lineword(ff, i, 0), "cpu", 3) == 0) processors++; + } + processors--; + if(processors < 1) processors = 1; - procfile_close(ff); - return processors; + procfile_close(ff); + return processors; } -long get_system_pid_max(void) { - procfile *ff = NULL; - long mpid = 32768; +pid_t get_system_pid_max(void) { + procfile *ff = NULL; + pid_t mpid = 32768; - char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix); - ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT); - if(!ff) return mpid; + char filename[FILENAME_MAX + 1]; + snprintfz(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix); + ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT); + if(!ff) return mpid; - ff = procfile_readall(ff); - if(!ff) { - procfile_close(ff); - return mpid; - } + ff = procfile_readall(ff); + if(!ff) + return mpid; - mpid = atol(procfile_lineword(ff, 0, 0)); - if(!mpid) mpid = 32768; + mpid = (pid_t)atoi(procfile_lineword(ff, 0, 0)); + if(!mpid) mpid = 32768; - procfile_close(ff); - return mpid; + procfile_close(ff); + return mpid; } // ---------------------------------------------------------------------------- @@ -274,83 +98,68 @@ long get_system_pid_max(void) { // target is the structure that process data are aggregated struct target { - char compare[MAX_COMPARE_NAME + 1]; - uint32_t comparehash; - size_t comparelen; - - char id[MAX_NAME + 1]; - uint32_t idhash; - - char name[MAX_NAME + 1]; - - uid_t uid; - gid_t gid; - - unsigned long long minflt; - unsigned long long cminflt; - unsigned long long majflt; - unsigned long long cmajflt; - unsigned long long utime; - unsigned long long stime; - unsigned long long cutime; - unsigned long long cstime; - unsigned long long num_threads; - unsigned long long rss; - - unsigned long long fix_minflt; - unsigned long long fix_cminflt; - unsigned long long fix_majflt; - unsigned long long fix_cmajflt; - unsigned long long fix_utime; - unsigned long long fix_stime; - unsigned long long fix_cutime; - unsigned long long fix_cstime; - - unsigned long long statm_size; - unsigned long long statm_resident; - unsigned long long statm_share; - unsigned long long statm_text; - unsigned long long statm_lib; - unsigned long long statm_data; - unsigned long long statm_dirty; - - unsigned long long io_logical_bytes_read; - unsigned long long io_logical_bytes_written; - unsigned long long io_read_calls; - unsigned long long io_write_calls; - unsigned long long io_storage_bytes_read; - unsigned long long io_storage_bytes_written; - unsigned long long io_cancelled_write_bytes; - - unsigned long long fix_io_logical_bytes_read; - unsigned long long fix_io_logical_bytes_written; - unsigned long long fix_io_read_calls; - unsigned long long fix_io_write_calls; - unsigned long long fix_io_storage_bytes_read; - unsigned long long fix_io_storage_bytes_written; - unsigned long long fix_io_cancelled_write_bytes; - - int *fds; - unsigned long long openfiles; - unsigned long long openpipes; - unsigned long long opensockets; - unsigned long long openinotifies; - unsigned long long openeventfds; - unsigned long long opentimerfds; - unsigned long long opensignalfds; - unsigned long long openeventpolls; - unsigned long long openother; - - unsigned long processes; // how many processes have been merged to this - int exposed; // if set, we have sent this to netdata - int hidden; // if set, we set the hidden flag on the dimension - int debug; - int ends_with; - int starts_with; // if set, the compare string matches only the - // beginning of the command - - struct target *target; // the one that will be reported to netdata - struct target *next; + char compare[MAX_COMPARE_NAME + 1]; + uint32_t comparehash; + size_t comparelen; + + char id[MAX_NAME + 1]; + uint32_t idhash; + + char name[MAX_NAME + 1]; + + uid_t uid; + gid_t gid; + + unsigned long long minflt; + unsigned long long cminflt; + unsigned long long majflt; + unsigned long long cmajflt; + unsigned long long utime; + unsigned long long stime; + unsigned long long gtime; + unsigned long long cutime; + unsigned long long cstime; + unsigned long long cgtime; + unsigned long long num_threads; + unsigned long long rss; + + unsigned long long statm_size; + unsigned long long statm_resident; + unsigned long long statm_share; + unsigned long long statm_text; + unsigned long long statm_lib; + unsigned long long statm_data; + unsigned long long statm_dirty; + + unsigned long long io_logical_bytes_read; + unsigned long long io_logical_bytes_written; + unsigned long long io_read_calls; + unsigned long long io_write_calls; + unsigned long long io_storage_bytes_read; + unsigned long long io_storage_bytes_written; + unsigned long long io_cancelled_write_bytes; + + int *fds; + unsigned long long openfiles; + unsigned long long openpipes; + unsigned long long opensockets; + unsigned long long openinotifies; + unsigned long long openeventfds; + unsigned long long opentimerfds; + unsigned long long opensignalfds; + unsigned long long openeventpolls; + unsigned long long openother; + + unsigned long processes; // how many processes have been merged to this + int exposed; // if set, we have sent this to netdata + int hidden; // if set, we set the hidden flag on the dimension + int debug; + int ends_with; + int starts_with; // if set, the compare string matches only the + // beginning of the command + + struct target *target; // the one that will be reported to netdata + struct target *next; }; @@ -367,227 +176,212 @@ struct target *groups_root_target = NULL; struct target *get_users_target(uid_t uid) { - struct target *w; - for(w = users_root_target ; w ; w = w->next) - if(w->uid == uid) return w; + struct target *w; + for(w = users_root_target ; w ; w = w->next) + if(w->uid == uid) return w; - w = calloc(sizeof(struct target), 1); - if(unlikely(!w)) { - error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target)); - return NULL; - } + w = callocz(sizeof(struct target), 1); + snprintfz(w->compare, MAX_COMPARE_NAME, "%u", uid); + w->comparehash = simple_hash(w->compare); + w->comparelen = strlen(w->compare); - snprintfz(w->compare, MAX_COMPARE_NAME, "%d", uid); - w->comparehash = simple_hash(w->compare); - w->comparelen = strlen(w->compare); + snprintfz(w->id, MAX_NAME, "%u", uid); + w->idhash = simple_hash(w->id); - snprintfz(w->id, MAX_NAME, "%d", uid); - w->idhash = simple_hash(w->id); + struct passwd *pw = getpwuid(uid); + if(!pw) + snprintfz(w->name, MAX_NAME, "%u", uid); + else + snprintfz(w->name, MAX_NAME, "%s", pw->pw_name); - struct passwd *pw = getpwuid(uid); - if(!pw) - snprintfz(w->name, MAX_NAME, "%d", uid); - else - snprintfz(w->name, MAX_NAME, "%s", pw->pw_name); + netdata_fix_chart_name(w->name); - netdata_fix_chart_name(w->name); + w->uid = uid; - w->uid = uid; + w->next = users_root_target; + users_root_target = w; - w->next = users_root_target; - users_root_target = w; + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: added uid %u ('%s') target\n", w->uid, w->name); - if(unlikely(debug)) - fprintf(stderr, "apps.plugin: added uid %d ('%s') target\n", w->uid, w->name); - - return w; + return w; } struct target *get_groups_target(gid_t gid) { - struct target *w; - for(w = groups_root_target ; w ; w = w->next) - if(w->gid == gid) return w; - - w = calloc(sizeof(struct target), 1); - if(unlikely(!w)) { - error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target)); - return NULL; - } + struct target *w; + for(w = groups_root_target ; w ; w = w->next) + if(w->gid == gid) return w; - snprintfz(w->compare, MAX_COMPARE_NAME, "%d", gid); - w->comparehash = simple_hash(w->compare); - w->comparelen = strlen(w->compare); + w = callocz(sizeof(struct target), 1); + snprintfz(w->compare, MAX_COMPARE_NAME, "%u", gid); + w->comparehash = simple_hash(w->compare); + w->comparelen = strlen(w->compare); - snprintfz(w->id, MAX_NAME, "%d", gid); - w->idhash = simple_hash(w->id); + snprintfz(w->id, MAX_NAME, "%u", gid); + w->idhash = simple_hash(w->id); - struct group *gr = getgrgid(gid); - if(!gr) - snprintfz(w->name, MAX_NAME, "%d", gid); - else - snprintfz(w->name, MAX_NAME, "%s", gr->gr_name); + struct group *gr = getgrgid(gid); + if(!gr) + snprintfz(w->name, MAX_NAME, "%u", gid); + else + snprintfz(w->name, MAX_NAME, "%s", gr->gr_name); - netdata_fix_chart_name(w->name); + netdata_fix_chart_name(w->name); - w->gid = gid; + w->gid = gid; - w->next = groups_root_target; - groups_root_target = w; + w->next = groups_root_target; + groups_root_target = w; - if(unlikely(debug)) - fprintf(stderr, "apps.plugin: added gid %d ('%s') target\n", w->gid, w->name); + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: added gid %u ('%s') target\n", w->gid, w->name); - return w; + return w; } // find or create a new target // there are targets that are just aggregated to other target (the second argument) -struct target *get_apps_groups_target(const char *id, struct target *target) -{ - int tdebug = 0, thidden = 0, ends_with = 0; - const char *nid = id; - - while(nid[0] == '-' || nid[0] == '+' || nid[0] == '*') { - if(nid[0] == '-') thidden = 1; - if(nid[0] == '+') tdebug = 1; - if(nid[0] == '*') ends_with = 1; - nid++; - } - uint32_t hash = simple_hash(id); - - struct target *w; - for(w = apps_groups_root_target ; w ; w = w->next) { - if(w->idhash == hash && strncmp(nid, w->id, MAX_NAME) == 0) - return w; - } - - w = calloc(sizeof(struct target), 1); - if(unlikely(!w)) { - error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target)); - return NULL; - } - - strncpyz(w->id, nid, MAX_NAME); - w->idhash = simple_hash(w->id); - - strncpyz(w->name, nid, MAX_NAME); - - strncpyz(w->compare, nid, MAX_COMPARE_NAME); - int len = strlen(w->compare); - if(w->compare[len - 1] == '*') { - w->compare[len - 1] = '\0'; - w->starts_with = 1; - } - w->ends_with = ends_with; - - if(w->starts_with && w->ends_with) - proc_pid_cmdline_is_needed = 1; - - w->comparehash = simple_hash(w->compare); - w->comparelen = strlen(w->compare); - - w->hidden = thidden; - w->debug = tdebug; - w->target = target; - - w->next = apps_groups_root_target; - apps_groups_root_target = w; - - if(unlikely(debug)) - fprintf(stderr, "apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n" - , w->id - , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact")) - , w->target?w->target->id:w->id - , (w->hidden)?"hidden":"-" - , (w->debug)?"debug":"-" - ); - - return w; +struct target *get_apps_groups_target(const char *id, struct target *target) { + int tdebug = 0, thidden = 0, ends_with = 0; + const char *nid = id; + + while(nid[0] == '-' || nid[0] == '+' || nid[0] == '*') { + if(nid[0] == '-') thidden = 1; + if(nid[0] == '+') tdebug = 1; + if(nid[0] == '*') ends_with = 1; + nid++; + } + uint32_t hash = simple_hash(id); + + struct target *w, *last = apps_groups_root_target; + for(w = apps_groups_root_target ; w ; w = w->next) { + if(w->idhash == hash && strncmp(nid, w->id, MAX_NAME) == 0) + return w; + + last = w; + } + + w = callocz(sizeof(struct target), 1); + strncpyz(w->id, nid, MAX_NAME); + w->idhash = simple_hash(w->id); + + strncpyz(w->name, nid, MAX_NAME); + + strncpyz(w->compare, nid, MAX_COMPARE_NAME); + size_t len = strlen(w->compare); + if(w->compare[len - 1] == '*') { + w->compare[len - 1] = '\0'; + w->starts_with = 1; + } + w->ends_with = ends_with; + + if(w->starts_with && w->ends_with) + proc_pid_cmdline_is_needed = 1; + + w->comparehash = simple_hash(w->compare); + w->comparelen = strlen(w->compare); + + w->hidden = thidden; + w->debug = tdebug; + w->target = target; + + // append it, to maintain the order in apps_groups.conf + if(last) last->next = w; + else apps_groups_root_target = w; + + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n" + , w->id + , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact")) + , w->target?w->target->id:w->id + , (w->hidden)?"hidden":"-" + , (w->debug)?"debug":"-" + ); + + return w; } // read the apps_groups.conf file int read_apps_groups_conf(const char *name) { - char filename[FILENAME_MAX + 1]; + char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, name); + snprintfz(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, name); - if(unlikely(debug)) - fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename); + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename); - // ---------------------------------------- + // ---------------------------------------- - procfile *ff = procfile_open(filename, " :\t", PROCFILE_FLAG_DEFAULT); - if(!ff) return 1; + procfile *ff = procfile_open(filename, " :\t", PROCFILE_FLAG_DEFAULT); + if(!ff) return 1; - procfile_set_quotes(ff, "'\""); + procfile_set_quotes(ff, "'\""); - ff = procfile_readall(ff); - if(!ff) { - procfile_close(ff); - return 1; - } + ff = procfile_readall(ff); + if(!ff) + return 1; - unsigned long line, lines = procfile_lines(ff); + unsigned long line, lines = procfile_lines(ff); - for(line = 0; line < lines ;line++) { - unsigned long word, words = procfile_linewords(ff, line); - struct target *w = NULL; + for(line = 0; line < lines ;line++) { + unsigned long word, words = procfile_linewords(ff, line); + struct target *w = NULL; - char *t = procfile_lineword(ff, line, 0); - if(!t || !*t) continue; + char *t = procfile_lineword(ff, line, 0); + if(!t || !*t) continue; - for(word = 0; word < words ;word++) { - char *s = procfile_lineword(ff, line, word); - if(!s || !*s) continue; - if(*s == '#') break; + for(word = 0; word < words ;word++) { + char *s = procfile_lineword(ff, line, word); + if(!s || !*s) continue; + if(*s == '#') break; - if(t == s) continue; + if(t == s) continue; - struct target *n = get_apps_groups_target(s, w); - if(!n) { - error("Cannot create target '%s' (line %d, word %d)", s, line, word); - continue; - } + struct target *n = get_apps_groups_target(s, w); + if(!n) { + error("Cannot create target '%s' (line %lu, word %lu)", s, line, word); + continue; + } - if(!w) w = n; - } + if(!w) w = n; + } - if(w) { - int tdebug = 0, thidden = 0; + if(w) { + int tdebug = 0, thidden = 0; - while(t[0] == '-' || t[0] == '+') { - if(t[0] == '-') thidden = 1; - if(t[0] == '+') tdebug = 1; - t++; - } + while(t[0] == '-' || t[0] == '+') { + if(t[0] == '-') thidden = 1; + if(t[0] == '+') tdebug = 1; + t++; + } - strncpyz(w->name, t, MAX_NAME); - w->hidden = thidden; - w->debug = tdebug; + strncpyz(w->name, t, MAX_NAME); + w->hidden = thidden; + w->debug = tdebug; - if(unlikely(debug)) - fprintf(stderr, "apps.plugin: AGGREGATION TARGET NAME '%s' on ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n" - , w->name - , w->id - , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact")) - , w->target?w->target->id:w->id - , (w->hidden)?"hidden":"-" - , (w->debug)?"debug":"-" - ); - } - } + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: AGGREGATION TARGET NAME '%s' on ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n" + , w->name + , w->id + , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact")) + , w->target?w->target->id:w->id + , (w->hidden)?"hidden":"-" + , (w->debug)?"debug":"-" + ); + } + } - procfile_close(ff); + procfile_close(ff); - apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing - if(!apps_groups_default_target) - error("Cannot create default target"); - else - strncpyz(apps_groups_default_target->name, "other", MAX_NAME); + apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing + if(!apps_groups_default_target) + error("Cannot create default target"); + else + strncpyz(apps_groups_default_target->name, "other", MAX_NAME); - return 0; + return 0; } @@ -595,178 +389,183 @@ int read_apps_groups_conf(const char *name) // data to store for each pid // see: man proc -struct pid_stat { - int32_t pid; - char comm[MAX_COMPARE_NAME + 1]; - char cmdline[MAX_CMDLINE + 1]; - - // char state; - int32_t ppid; - // int32_t pgrp; - // int32_t session; - // int32_t tty_nr; - // int32_t tpgid; - // uint64_t flags; - unsigned long long minflt; - unsigned long long cminflt; - unsigned long long majflt; - unsigned long long cmajflt; - unsigned long long utime; - unsigned long long stime; - unsigned long long cutime; - unsigned long long cstime; - // int64_t priority; - // int64_t nice; - int32_t num_threads; - // int64_t itrealvalue; - // unsigned long long starttime; - // unsigned long long vsize; - unsigned long long rss; - // unsigned long long rsslim; - // unsigned long long starcode; - // unsigned long long endcode; - // unsigned long long startstack; - // unsigned long long kstkesp; - // unsigned long long kstkeip; - // uint64_t signal; - // uint64_t blocked; - // uint64_t sigignore; - // uint64_t sigcatch; - // uint64_t wchan; - // uint64_t nswap; - // uint64_t cnswap; - // int32_t exit_signal; - // int32_t processor; - // uint32_t rt_priority; - // uint32_t policy; - // unsigned long long delayacct_blkio_ticks; - // uint64_t guest_time; - // int64_t cguest_time; - - uid_t uid; - gid_t gid; - - unsigned long long statm_size; - unsigned long long statm_resident; - unsigned long long statm_share; - unsigned long long statm_text; - unsigned long long statm_lib; - unsigned long long statm_data; - unsigned long long statm_dirty; - - unsigned long long io_logical_bytes_read; - unsigned long long io_logical_bytes_written; - unsigned long long io_read_calls; - unsigned long long io_write_calls; - unsigned long long io_storage_bytes_read; - unsigned long long io_storage_bytes_written; - unsigned long long io_cancelled_write_bytes; - - // we need the last values - // for all incremental counters - // so that when a process switches users/groups - // we will subtract these values from the old - // target - unsigned long long last_minflt; - unsigned long long last_cminflt; - unsigned long long last_majflt; - unsigned long long last_cmajflt; - unsigned long long last_utime; - unsigned long long last_stime; - unsigned long long last_cutime; - unsigned long long last_cstime; - - unsigned long long last_io_logical_bytes_read; - unsigned long long last_io_logical_bytes_written; - unsigned long long last_io_read_calls; - unsigned long long last_io_write_calls; - unsigned long long last_io_storage_bytes_read; - unsigned long long last_io_storage_bytes_written; - unsigned long long last_io_cancelled_write_bytes; - -#ifdef AGGREGATE_CHILDREN_TO_PARENTS - unsigned long long old_utime; - unsigned long long old_stime; - unsigned long long old_minflt; - unsigned long long old_majflt; - - unsigned long long old_cutime; - unsigned long long old_cstime; - unsigned long long old_cminflt; - unsigned long long old_cmajflt; - - unsigned long long fix_cutime; - unsigned long long fix_cstime; - unsigned long long fix_cminflt; - unsigned long long fix_cmajflt; - - unsigned long long diff_cutime; - unsigned long long diff_cstime; - unsigned long long diff_cminflt; - unsigned long long diff_cmajflt; -#endif /* AGGREGATE_CHILDREN_TO_PARENTS */ - - int *fds; // array of fds it uses - int fds_size; // the size of the fds array - - int children_count; // number of processes directly referencing this - int updated; // 1 when update - int merged; // 1 when it has been merged to its parent - int new_entry; - - struct target *target; // app_groups.conf targets - struct target *user_target; // uid based targets - struct target *group_target; // gid based targets - - struct pid_stat *parent; - struct pid_stat *prev; - struct pid_stat *next; +#define PID_LOG_IO 0x00000001 +#define PID_LOG_STATM 0x00000002 +#define PID_LOG_CMDLINE 0x00000004 +#define PID_LOG_FDS 0x00000008 +#define PID_LOG_STAT 0x00000010 +struct pid_stat { + int32_t pid; + char comm[MAX_COMPARE_NAME + 1]; + char cmdline[MAX_CMDLINE + 1]; + + uint32_t log_thrown; + + // char state; + int32_t ppid; + // int32_t pgrp; + // int32_t session; + // int32_t tty_nr; + // int32_t tpgid; + // uint64_t flags; + + // these are raw values collected + unsigned long long minflt_raw; + unsigned long long cminflt_raw; + unsigned long long majflt_raw; + unsigned long long cmajflt_raw; + unsigned long long utime_raw; + unsigned long long stime_raw; + unsigned long long gtime_raw; // guest_time + unsigned long long cutime_raw; + unsigned long long cstime_raw; + unsigned long long cgtime_raw; // cguest_time + + // these are rates + unsigned long long minflt; + unsigned long long cminflt; + unsigned long long majflt; + unsigned long long cmajflt; + unsigned long long utime; + unsigned long long stime; + unsigned long long gtime; + unsigned long long cutime; + unsigned long long cstime; + unsigned long long cgtime; + + // int64_t priority; + // int64_t nice; + int32_t num_threads; + // int64_t itrealvalue; + // unsigned long long starttime; + // unsigned long long vsize; + unsigned long long rss; + // unsigned long long rsslim; + // unsigned long long starcode; + // unsigned long long endcode; + // unsigned long long startstack; + // unsigned long long kstkesp; + // unsigned long long kstkeip; + // uint64_t signal; + // uint64_t blocked; + // uint64_t sigignore; + // uint64_t sigcatch; + // uint64_t wchan; + // uint64_t nswap; + // uint64_t cnswap; + // int32_t exit_signal; + // int32_t processor; + // uint32_t rt_priority; + // uint32_t policy; + // unsigned long long delayacct_blkio_ticks; + + uid_t uid; + gid_t gid; + + unsigned long long statm_size; + unsigned long long statm_resident; + unsigned long long statm_share; + unsigned long long statm_text; + unsigned long long statm_lib; + unsigned long long statm_data; + unsigned long long statm_dirty; + + unsigned long long io_logical_bytes_read_raw; + unsigned long long io_logical_bytes_written_raw; + unsigned long long io_read_calls_raw; + unsigned long long io_write_calls_raw; + unsigned long long io_storage_bytes_read_raw; + unsigned long long io_storage_bytes_written_raw; + unsigned long long io_cancelled_write_bytes_raw; + + unsigned long long io_logical_bytes_read; + unsigned long long io_logical_bytes_written; + unsigned long long io_read_calls; + unsigned long long io_write_calls; + unsigned long long io_storage_bytes_read; + unsigned long long io_storage_bytes_written; + unsigned long long io_cancelled_write_bytes; + + int *fds; // array of fds it uses + int fds_size; // the size of the fds array + + int children_count; // number of processes directly referencing this + int keep; // 1 when we need to keep this process in memory even after it exited + int keeploops; // increases by 1 every time keep is 1 and updated 0 + int updated; // 1 when the process is currently running + int merged; // 1 when it has been merged to its parent + int new_entry; // 1 when this is a new process, just saw for the first time + int read; // 1 when we have already read this process for this iteration + int sortlist; // higher numbers = top on the process tree + // each process gets a unique number + + struct target *target; // app_groups.conf targets + struct target *user_target; // uid based targets + struct target *group_target; // gid based targets + + unsigned long long stat_collected_usec; + unsigned long long last_stat_collected_usec; + + unsigned long long io_collected_usec; + unsigned long long last_io_collected_usec; + + char *stat_filename; + char *statm_filename; + char *io_filename; + char *cmdline_filename; + + struct pid_stat *parent; + struct pid_stat *prev; + struct pid_stat *next; } *root_of_pids = NULL, **all_pids; long all_pids_count = 0; -struct pid_stat *get_pid_entry(pid_t pid) -{ - if(all_pids[pid]) { - all_pids[pid]->new_entry = 0; - return all_pids[pid]; - } - - all_pids[pid] = calloc(sizeof(struct pid_stat), 1); - if(!all_pids[pid]) { - error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct pid_stat)); - return NULL; - } - - all_pids[pid]->fds = calloc(sizeof(int), 100); - if(!all_pids[pid]->fds) - error("Cannot allocate %ld bytes of memory", (unsigned long)(sizeof(int) * 100)); - else all_pids[pid]->fds_size = 100; - - if(root_of_pids) root_of_pids->prev = all_pids[pid]; - all_pids[pid]->next = root_of_pids; - root_of_pids = all_pids[pid]; - - all_pids[pid]->pid = pid; - all_pids[pid]->new_entry = 1; - - return all_pids[pid]; +struct pid_stat *get_pid_entry(pid_t pid) { + if(all_pids[pid]) { + all_pids[pid]->new_entry = 0; + return all_pids[pid]; + } + + all_pids[pid] = callocz(sizeof(struct pid_stat), 1); + all_pids[pid]->fds = callocz(sizeof(int), 100); + all_pids[pid]->fds_size = 100; + + if(root_of_pids) root_of_pids->prev = all_pids[pid]; + all_pids[pid]->next = root_of_pids; + root_of_pids = all_pids[pid]; + + all_pids[pid]->pid = pid; + all_pids[pid]->new_entry = 1; + + all_pids_count++; + + return all_pids[pid]; } -void del_pid_entry(pid_t pid) -{ - if(!all_pids[pid]) return; +void del_pid_entry(pid_t pid) { + if(!all_pids[pid]) { + error("attempted to free pid %d that is not allocated.", pid); + return; + } + + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm); - if(debug) fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm); + if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next; + if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev; + if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next; - if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next; - if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev; - if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next; + if(all_pids[pid]->fds) freez(all_pids[pid]->fds); + if(all_pids[pid]->stat_filename) freez(all_pids[pid]->stat_filename); + if(all_pids[pid]->statm_filename) freez(all_pids[pid]->statm_filename); + if(all_pids[pid]->io_filename) freez(all_pids[pid]->io_filename); + if(all_pids[pid]->cmdline_filename) freez(all_pids[pid]->cmdline_filename); + freez(all_pids[pid]); - if(all_pids[pid]->fds) free(all_pids[pid]->fds); - free(all_pids[pid]); - all_pids[pid] = NULL; + all_pids[pid] = NULL; + all_pids_count--; } @@ -774,188 +573,380 @@ void del_pid_entry(pid_t pid) // update pids from proc int read_proc_pid_cmdline(struct pid_stat *p) { - char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", host_prefix, p->pid); + + if(unlikely(!p->cmdline_filename)) { + char filename[FILENAME_MAX + 1]; + snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", host_prefix, p->pid); + p->cmdline_filename = strdupz(filename); + } - int fd = open(filename, O_RDONLY, 0666); - if(unlikely(fd == -1)) return 1; + int fd = open(p->cmdline_filename, O_RDONLY, 0666); + if(unlikely(fd == -1)) goto cleanup; - int i, bytes = read(fd, p->cmdline, MAX_CMDLINE); - close(fd); + ssize_t i, bytes = read(fd, p->cmdline, MAX_CMDLINE); + close(fd); - if(bytes <= 0) { - // copy the command to the command line - strncpyz(p->cmdline, p->comm, MAX_CMDLINE); - return 0; - } + if(unlikely(bytes < 0)) goto cleanup; - p->cmdline[bytes] = '\0'; - for(i = 0; i < bytes ; i++) - if(!p->cmdline[i]) p->cmdline[i] = ' '; + p->cmdline[bytes] = '\0'; + for(i = 0; i < bytes ; i++) + if(unlikely(!p->cmdline[i])) p->cmdline[i] = ' '; - if(unlikely(debug)) - fprintf(stderr, "Read file '%s' contents: %s\n", filename, p->cmdline); + if(unlikely(debug)) + fprintf(stderr, "Read file '%s' contents: %s\n", p->cmdline_filename, p->cmdline); - return 0; + return 1; + +cleanup: + // copy the command to the command line + strncpyz(p->cmdline, p->comm, MAX_CMDLINE); + return 0; } int read_proc_pid_ownership(struct pid_stat *p) { - char filename[FILENAME_MAX + 1]; - - snprintfz(filename, FILENAME_MAX, "%s/proc/%d", host_prefix, p->pid); + if(unlikely(!p->stat_filename)) { + error("pid %d does not have a stat_filename", p->pid); + return 0; + } - // ---------------------------------------- - // read uid and gid + // ---------------------------------------- + // read uid and gid - struct stat st; - if(stat(filename, &st) != 0) - return 1; + struct stat st; + if(stat(p->stat_filename, &st) != 0) { + error("Cannot stat file '%s'", p->stat_filename); + return 1; + } - p->uid = st.st_uid; - p->gid = st.st_gid; + p->uid = st.st_uid; + p->gid = st.st_gid; - return 0; + return 1; } int read_proc_pid_stat(struct pid_stat *p) { - static procfile *ff = NULL; - - char filename[FILENAME_MAX + 1]; - - snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid); - - // ---------------------------------------- - - int set_quotes = (!ff)?1:0; - - ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO); - if(!ff) return 1; - - // if(set_quotes) procfile_set_quotes(ff, "()"); - if(set_quotes) procfile_set_open_close(ff, "(", ")"); - - ff = procfile_readall(ff); - if(!ff) { - // procfile_close(ff); - return 1; - } - - file_counter++; - - // parse the process name - unsigned int i = 0; - strncpyz(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME); - - // p->pid = atol(procfile_lineword(ff, 0, 0+i)); - // comm is at 1 - // p->state = *(procfile_lineword(ff, 0, 2+i)); - p->ppid = (int32_t) atol(procfile_lineword(ff, 0, 3 + i)); - // p->pgrp = atol(procfile_lineword(ff, 0, 4+i)); - // p->session = atol(procfile_lineword(ff, 0, 5+i)); - // p->tty_nr = atol(procfile_lineword(ff, 0, 6+i)); - // p->tpgid = atol(procfile_lineword(ff, 0, 7+i)); - // p->flags = strtoull(procfile_lineword(ff, 0, 8+i), NULL, 10); - p->minflt = strtoull(procfile_lineword(ff, 0, 9+i), NULL, 10); - p->cminflt = strtoull(procfile_lineword(ff, 0, 10+i), NULL, 10); - p->majflt = strtoull(procfile_lineword(ff, 0, 11+i), NULL, 10); - p->cmajflt = strtoull(procfile_lineword(ff, 0, 12+i), NULL, 10); - p->utime = strtoull(procfile_lineword(ff, 0, 13+i), NULL, 10); - p->stime = strtoull(procfile_lineword(ff, 0, 14+i), NULL, 10); - p->cutime = strtoull(procfile_lineword(ff, 0, 15+i), NULL, 10); - p->cstime = strtoull(procfile_lineword(ff, 0, 16+i), NULL, 10); - // p->priority = strtoull(procfile_lineword(ff, 0, 17+i), NULL, 10); - // p->nice = strtoull(procfile_lineword(ff, 0, 18+i), NULL, 10); - p->num_threads = (int32_t) atol(procfile_lineword(ff, 0, 19 + i)); - // p->itrealvalue = strtoull(procfile_lineword(ff, 0, 20+i), NULL, 10); - // p->starttime = strtoull(procfile_lineword(ff, 0, 21+i), NULL, 10); - // p->vsize = strtoull(procfile_lineword(ff, 0, 22+i), NULL, 10); - p->rss = strtoull(procfile_lineword(ff, 0, 23+i), NULL, 10); - // p->rsslim = strtoull(procfile_lineword(ff, 0, 24+i), NULL, 10); - // p->starcode = strtoull(procfile_lineword(ff, 0, 25+i), NULL, 10); - // p->endcode = strtoull(procfile_lineword(ff, 0, 26+i), NULL, 10); - // p->startstack = strtoull(procfile_lineword(ff, 0, 27+i), NULL, 10); - // p->kstkesp = strtoull(procfile_lineword(ff, 0, 28+i), NULL, 10); - // p->kstkeip = strtoull(procfile_lineword(ff, 0, 29+i), NULL, 10); - // p->signal = strtoull(procfile_lineword(ff, 0, 30+i), NULL, 10); - // p->blocked = strtoull(procfile_lineword(ff, 0, 31+i), NULL, 10); - // p->sigignore = strtoull(procfile_lineword(ff, 0, 32+i), NULL, 10); - // p->sigcatch = strtoull(procfile_lineword(ff, 0, 33+i), NULL, 10); - // p->wchan = strtoull(procfile_lineword(ff, 0, 34+i), NULL, 10); - // p->nswap = strtoull(procfile_lineword(ff, 0, 35+i), NULL, 10); - // p->cnswap = strtoull(procfile_lineword(ff, 0, 36+i), NULL, 10); - // p->exit_signal = atol(procfile_lineword(ff, 0, 37+i)); - // p->processor = atol(procfile_lineword(ff, 0, 38+i)); - // p->rt_priority = strtoul(procfile_lineword(ff, 0, 39+i), NULL, 10); - // p->policy = strtoul(procfile_lineword(ff, 0, 40+i), NULL, 10); - // p->delayacct_blkio_ticks = strtoull(procfile_lineword(ff, 0, 41+i), NULL, 10); - // p->guest_time = strtoull(procfile_lineword(ff, 0, 42+i), NULL, 10); - // p->cguest_time = strtoull(procfile_lineword(ff, 0, 43), NULL, 10); - - if(debug || (p->target && p->target->debug)) - fprintf(stderr, "apps.plugin: READ PROC/PID/STAT: %s/proc/%d/stat, process: '%s' VALUES: utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n", host_prefix, p->pid, p->comm, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads); - - // procfile_close(ff); - return 0; + static procfile *ff = NULL; + + if(unlikely(!p->stat_filename)) { + char filename[FILENAME_MAX + 1]; + snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid); + p->stat_filename = strdupz(filename); + } + + int set_quotes = (!ff)?1:0; + + ff = procfile_reopen(ff, p->stat_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO); + if(unlikely(!ff)) goto cleanup; + + // if(set_quotes) procfile_set_quotes(ff, "()"); + if(set_quotes) procfile_set_open_close(ff, "(", ")"); + + ff = procfile_readall(ff); + if(unlikely(!ff)) goto cleanup; + + p->last_stat_collected_usec = p->stat_collected_usec; + p->stat_collected_usec = time_usec(); + file_counter++; + + // p->pid = atol(procfile_lineword(ff, 0, 0+i)); + + strncpyz(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME); + + // p->state = *(procfile_lineword(ff, 0, 2)); + p->ppid = (int32_t) atol(procfile_lineword(ff, 0, 3)); + // p->pgrp = atol(procfile_lineword(ff, 0, 4)); + // p->session = atol(procfile_lineword(ff, 0, 5)); + // p->tty_nr = atol(procfile_lineword(ff, 0, 6)); + // p->tpgid = atol(procfile_lineword(ff, 0, 7)); + // p->flags = strtoull(procfile_lineword(ff, 0, 8), NULL, 10); + + unsigned long long last; + + last = p->minflt_raw; + p->minflt_raw = strtoull(procfile_lineword(ff, 0, 9), NULL, 10); + p->minflt = (p->minflt_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + last = p->cminflt_raw; + p->cminflt_raw = strtoull(procfile_lineword(ff, 0, 10), NULL, 10); + p->cminflt = (p->cminflt_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + last = p->majflt_raw; + p->majflt_raw = strtoull(procfile_lineword(ff, 0, 11), NULL, 10); + p->majflt = (p->majflt_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + last = p->cmajflt_raw; + p->cmajflt_raw = strtoull(procfile_lineword(ff, 0, 12), NULL, 10); + p->cmajflt = (p->cmajflt_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + last = p->utime_raw; + p->utime_raw = strtoull(procfile_lineword(ff, 0, 13), NULL, 10); + p->utime = (p->utime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + last = p->stime_raw; + p->stime_raw = strtoull(procfile_lineword(ff, 0, 14), NULL, 10); + p->stime = (p->stime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + last = p->cutime_raw; + p->cutime_raw = strtoull(procfile_lineword(ff, 0, 15), NULL, 10); + p->cutime = (p->cutime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + last = p->cstime_raw; + p->cstime_raw = strtoull(procfile_lineword(ff, 0, 16), NULL, 10); + p->cstime = (p->cstime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + // p->priority = strtoull(procfile_lineword(ff, 0, 17), NULL, 10); + // p->nice = strtoull(procfile_lineword(ff, 0, 18), NULL, 10); + p->num_threads = (int32_t) atol(procfile_lineword(ff, 0, 19)); + // p->itrealvalue = strtoull(procfile_lineword(ff, 0, 20), NULL, 10); + // p->starttime = strtoull(procfile_lineword(ff, 0, 21), NULL, 10); + // p->vsize = strtoull(procfile_lineword(ff, 0, 22), NULL, 10); + p->rss = strtoull(procfile_lineword(ff, 0, 23), NULL, 10); + // p->rsslim = strtoull(procfile_lineword(ff, 0, 24), NULL, 10); + // p->starcode = strtoull(procfile_lineword(ff, 0, 25), NULL, 10); + // p->endcode = strtoull(procfile_lineword(ff, 0, 26), NULL, 10); + // p->startstack = strtoull(procfile_lineword(ff, 0, 27), NULL, 10); + // p->kstkesp = strtoull(procfile_lineword(ff, 0, 28), NULL, 10); + // p->kstkeip = strtoull(procfile_lineword(ff, 0, 29), NULL, 10); + // p->signal = strtoull(procfile_lineword(ff, 0, 30), NULL, 10); + // p->blocked = strtoull(procfile_lineword(ff, 0, 31), NULL, 10); + // p->sigignore = strtoull(procfile_lineword(ff, 0, 32), NULL, 10); + // p->sigcatch = strtoull(procfile_lineword(ff, 0, 33), NULL, 10); + // p->wchan = strtoull(procfile_lineword(ff, 0, 34), NULL, 10); + // p->nswap = strtoull(procfile_lineword(ff, 0, 35), NULL, 10); + // p->cnswap = strtoull(procfile_lineword(ff, 0, 36), NULL, 10); + // p->exit_signal = atol(procfile_lineword(ff, 0, 37)); + // p->processor = atol(procfile_lineword(ff, 0, 38)); + // p->rt_priority = strtoul(procfile_lineword(ff, 0, 39), NULL, 10); + // p->policy = strtoul(procfile_lineword(ff, 0, 40), NULL, 10); + // p->delayacct_blkio_ticks = strtoull(procfile_lineword(ff, 0, 41), NULL, 10); + + if(enable_guest_charts) { + last = p->gtime_raw; + p->gtime_raw = strtoull(procfile_lineword(ff, 0, 42), NULL, 10); + p->gtime = (p->gtime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + last = p->cgtime_raw; + p->cgtime_raw = strtoull(procfile_lineword(ff, 0, 43), NULL, 10); + p->cgtime = (p->cgtime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + if (show_guest_time || p->gtime || p->cgtime) { + p->utime -= (p->utime >= p->gtime) ? p->gtime : p->utime; + p->cutime -= (p->cutime >= p->cgtime) ? p->cgtime : p->cutime; + show_guest_time = 1; + } + } + + if(unlikely(debug || (p->target && p->target->debug))) + fprintf(stderr, "apps.plugin: READ PROC/PID/STAT: %s/proc/%d/stat, process: '%s' on target '%s' (dt=%llu) VALUES: utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n", host_prefix, p->pid, p->comm, (p->target)?p->target->name:"UNSET", p->stat_collected_usec - p->last_stat_collected_usec, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads); + + if(unlikely(global_iterations_counter == 1)) { + p->minflt = 0; + p->cminflt = 0; + p->majflt = 0; + p->cmajflt = 0; + p->utime = 0; + p->stime = 0; + p->gtime = 0; + p->cutime = 0; + p->cstime = 0; + p->cgtime = 0; + } + + return 1; + +cleanup: + p->minflt = 0; + p->cminflt = 0; + p->majflt = 0; + p->cmajflt = 0; + p->utime = 0; + p->stime = 0; + p->gtime = 0; + p->cutime = 0; + p->cstime = 0; + p->cgtime = 0; + p->num_threads = 0; + p->rss = 0; + return 0; } int read_proc_pid_statm(struct pid_stat *p) { - static procfile *ff = NULL; + static procfile *ff = NULL; + + if(unlikely(!p->statm_filename)) { + char filename[FILENAME_MAX + 1]; + snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid); + p->statm_filename = strdupz(filename); + } + + ff = procfile_reopen(ff, p->statm_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO); + if(unlikely(!ff)) goto cleanup; + + ff = procfile_readall(ff); + if(unlikely(!ff)) goto cleanup; + + file_counter++; + + p->statm_size = strtoull(procfile_lineword(ff, 0, 0), NULL, 10); + p->statm_resident = strtoull(procfile_lineword(ff, 0, 1), NULL, 10); + p->statm_share = strtoull(procfile_lineword(ff, 0, 2), NULL, 10); + p->statm_text = strtoull(procfile_lineword(ff, 0, 3), NULL, 10); + p->statm_lib = strtoull(procfile_lineword(ff, 0, 4), NULL, 10); + p->statm_data = strtoull(procfile_lineword(ff, 0, 5), NULL, 10); + p->statm_dirty = strtoull(procfile_lineword(ff, 0, 6), NULL, 10); + + return 1; + +cleanup: + p->statm_size = 0; + p->statm_resident = 0; + p->statm_share = 0; + p->statm_text = 0; + p->statm_lib = 0; + p->statm_data = 0; + p->statm_dirty = 0; + return 0; +} - char filename[FILENAME_MAX + 1]; +int read_proc_pid_io(struct pid_stat *p) { + static procfile *ff = NULL; + + if(unlikely(!p->io_filename)) { + char filename[FILENAME_MAX + 1]; + snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid); + p->io_filename = strdupz(filename); + } + + // open the file + ff = procfile_reopen(ff, p->io_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO); + if(unlikely(!ff)) goto cleanup; + + ff = procfile_readall(ff); + if(unlikely(!ff)) goto cleanup; + + file_counter++; + + p->last_io_collected_usec = p->io_collected_usec; + p->io_collected_usec = time_usec(); + + unsigned long long last; + + last = p->io_logical_bytes_read_raw; + p->io_logical_bytes_read_raw = strtoull(procfile_lineword(ff, 0, 1), NULL, 10); + p->io_logical_bytes_read = (p->io_logical_bytes_read_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec); + + last = p->io_logical_bytes_written_raw; + p->io_logical_bytes_written_raw = strtoull(procfile_lineword(ff, 1, 1), NULL, 10); + p->io_logical_bytes_written = (p->io_logical_bytes_written_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec); + + last = p->io_read_calls_raw; + p->io_read_calls_raw = strtoull(procfile_lineword(ff, 2, 1), NULL, 10); + p->io_read_calls = (p->io_read_calls_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec); + + last = p->io_write_calls_raw; + p->io_write_calls_raw = strtoull(procfile_lineword(ff, 3, 1), NULL, 10); + p->io_write_calls = (p->io_write_calls_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec); + + last = p->io_storage_bytes_read_raw; + p->io_storage_bytes_read_raw = strtoull(procfile_lineword(ff, 4, 1), NULL, 10); + p->io_storage_bytes_read = (p->io_storage_bytes_read_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec); + + last = p->io_storage_bytes_written_raw; + p->io_storage_bytes_written_raw = strtoull(procfile_lineword(ff, 5, 1), NULL, 10); + p->io_storage_bytes_written = (p->io_storage_bytes_written_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec); + + last = p->io_cancelled_write_bytes_raw; + p->io_cancelled_write_bytes_raw = strtoull(procfile_lineword(ff, 6, 1), NULL, 10); + p->io_cancelled_write_bytes = (p->io_cancelled_write_bytes_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec); + + if(unlikely(global_iterations_counter == 1)) { + p->io_logical_bytes_read = 0; + p->io_logical_bytes_written = 0; + p->io_read_calls = 0; + p->io_write_calls = 0; + p->io_storage_bytes_read = 0; + p->io_storage_bytes_written = 0; + p->io_cancelled_write_bytes = 0; + } + + return 1; + +cleanup: + p->io_logical_bytes_read = 0; + p->io_logical_bytes_written = 0; + p->io_read_calls = 0; + p->io_write_calls = 0; + p->io_storage_bytes_read = 0; + p->io_storage_bytes_written = 0; + p->io_cancelled_write_bytes = 0; + return 0; +} - snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid); +unsigned long long global_utime = 0; +unsigned long long global_stime = 0; +unsigned long long global_gtime = 0; - ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO); - if(!ff) return 1; +int read_proc_stat() { + static char filename[FILENAME_MAX + 1] = ""; + static procfile *ff = NULL; + static unsigned long long utime_raw = 0, stime_raw = 0, gtime_raw = 0, gntime_raw = 0, ntime_raw = 0, collected_usec = 0, last_collected_usec = 0; - ff = procfile_readall(ff); - if(!ff) { - // procfile_close(ff); - return 1; - } + if(unlikely(!ff)) { + snprintfz(filename, FILENAME_MAX, "%s/proc/stat", host_prefix); + ff = procfile_open(filename, " \t:", PROCFILE_FLAG_DEFAULT); + if(unlikely(!ff)) goto cleanup; + } - file_counter++; + ff = procfile_readall(ff); + if(unlikely(!ff)) goto cleanup; - p->statm_size = strtoull(procfile_lineword(ff, 0, 0), NULL, 10); - p->statm_resident = strtoull(procfile_lineword(ff, 0, 1), NULL, 10); - p->statm_share = strtoull(procfile_lineword(ff, 0, 2), NULL, 10); - p->statm_text = strtoull(procfile_lineword(ff, 0, 3), NULL, 10); - p->statm_lib = strtoull(procfile_lineword(ff, 0, 4), NULL, 10); - p->statm_data = strtoull(procfile_lineword(ff, 0, 5), NULL, 10); - p->statm_dirty = strtoull(procfile_lineword(ff, 0, 6), NULL, 10); + last_collected_usec = collected_usec; + collected_usec = time_usec(); - // procfile_close(ff); - return 0; -} + file_counter++; -int read_proc_pid_io(struct pid_stat *p) { - static procfile *ff = NULL; + unsigned long long last; + + last = utime_raw; + utime_raw = strtoull(procfile_lineword(ff, 0, 1), NULL, 10); + global_utime = (utime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec); + + // nice time, on user time + last = ntime_raw; + ntime_raw = strtoull(procfile_lineword(ff, 0, 2), NULL, 10); + global_utime += (ntime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec); - char filename[FILENAME_MAX + 1]; + last = stime_raw; + stime_raw = strtoull(procfile_lineword(ff, 0, 3), NULL, 10); + global_stime = (stime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec); - snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid); + last = gtime_raw; + gtime_raw = strtoull(procfile_lineword(ff, 0, 10), NULL, 10); + global_gtime = (gtime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec); - ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO); - if(!ff) return 1; + if(enable_guest_charts) { + // guest nice time, on guest time + last = gntime_raw; + gntime_raw = strtoull(procfile_lineword(ff, 0, 11), NULL, 10); + global_gtime += (gntime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec); - ff = procfile_readall(ff); - if(!ff) { - // procfile_close(ff); - return 1; - } + // remove guest time from user time + global_utime -= (global_utime > global_gtime) ? global_gtime : global_utime; + } - file_counter++; + if(unlikely(global_iterations_counter == 1)) { + global_utime = 0; + global_stime = 0; + global_gtime = 0; + } - p->io_logical_bytes_read = strtoull(procfile_lineword(ff, 0, 1), NULL, 10); - p->io_logical_bytes_written = strtoull(procfile_lineword(ff, 1, 1), NULL, 10); - p->io_read_calls = strtoull(procfile_lineword(ff, 2, 1), NULL, 10); - p->io_write_calls = strtoull(procfile_lineword(ff, 3, 1), NULL, 10); - p->io_storage_bytes_read = strtoull(procfile_lineword(ff, 4, 1), NULL, 10); - p->io_storage_bytes_written = strtoull(procfile_lineword(ff, 5, 1), NULL, 10); - p->io_cancelled_write_bytes = strtoull(procfile_lineword(ff, 6, 1), NULL, 10); + return 1; - // procfile_close(ff); - return 0; +cleanup: + global_utime = 0; + global_stime = 0; + global_gtime = 0; + return 0; } @@ -967,15 +958,15 @@ int read_proc_pid_io(struct pid_stat *p) { #define FILE_DESCRIPTORS_INCREASE_STEP 100 struct file_descriptor { - avl avl; + avl avl; #ifdef NETDATA_INTERNAL_CHECKS - uint32_t magic; + uint32_t magic; #endif /* NETDATA_INTERNAL_CHECKS */ - uint32_t hash; - const char *name; - int type; - int count; - int pos; + uint32_t hash; + const char *name; + int type; + int count; + int pos; } *all_files = NULL; int all_files_len = 0; @@ -983,38 +974,38 @@ int all_files_size = 0; int file_descriptor_compare(void* a, void* b) { #ifdef NETDATA_INTERNAL_CHECKS - if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE) - error("Corrupted index data detected. Please report this."); + if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE) + error("Corrupted index data detected. Please report this."); #endif /* NETDATA_INTERNAL_CHECKS */ - if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash) - return -1; + if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash) + return -1; - else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash) - return 1; + else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash) + return 1; - else - return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name); + else + return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name); } int file_descriptor_iterator(avl *a) { if(a) {}; return 0; } avl_tree all_files_index = { - NULL, - file_descriptor_compare + NULL, + file_descriptor_compare }; static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) { - struct file_descriptor tmp; - tmp.hash = (hash)?hash:simple_hash(name); - tmp.name = name; - tmp.count = 0; - tmp.pos = 0; + struct file_descriptor tmp; + tmp.hash = (hash)?hash:simple_hash(name); + tmp.name = name; + tmp.count = 0; + tmp.pos = 0; #ifdef NETDATA_INTERNAL_CHECKS - tmp.magic = 0x0BADCAFE; + tmp.magic = 0x0BADCAFE; #endif /* NETDATA_INTERNAL_CHECKS */ - return (struct file_descriptor *)avl_search(&all_files_index, (avl *) &tmp); + return (struct file_descriptor *)avl_search(&all_files_index, (avl *) &tmp); } #define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd)) @@ -1032,223 +1023,526 @@ static struct file_descriptor *file_descriptor_find(const char *name, uint32_t h void file_descriptor_not_used(int id) { - if(id > 0 && id < all_files_size) { + if(id > 0 && id < all_files_size) { #ifdef NETDATA_INTERNAL_CHECKS - if(all_files[id].magic != 0x0BADCAFE) { - error("Ignoring request to remove empty file id %d.", id); - return; - } + if(all_files[id].magic != 0x0BADCAFE) { + error("Ignoring request to remove empty file id %d.", id); + return; + } #endif /* NETDATA_INTERNAL_CHECKS */ - if(debug) fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count); + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count); - if(all_files[id].count > 0) { - all_files[id].count--; + if(all_files[id].count > 0) { + all_files[id].count--; - if(!all_files[id].count) { - if(debug) fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id); - file_descriptor_remove(&all_files[id]); + if(!all_files[id].count) { + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id); + + file_descriptor_remove(&all_files[id]); #ifdef NETDATA_INTERNAL_CHECKS - all_files[id].magic = 0x00000000; + all_files[id].magic = 0x00000000; #endif /* NETDATA_INTERNAL_CHECKS */ - all_files_len--; - } - } - else - error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name); - } - else error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size); + all_files_len--; + } + } + else + error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name); + } + else error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size); } int file_descriptor_find_or_add(const char *name) { - static int last_pos = 0; - uint32_t hash = simple_hash(name); - - if(debug) fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash); - - struct file_descriptor *fd = file_descriptor_find(name, hash); - if(fd) { - // found - if(debug) fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos); - fd->count++; - return fd->pos; - } - // not found - - // check we have enough memory to add it - if(!all_files || all_files_len == all_files_size) { - void *old = all_files; - int i; - - // there is no empty slot - if(debug) fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); - all_files = realloc(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor)); - - // if the address changed, we have to rebuild the index - // since all pointers are now invalid - if(old && old != (void *)all_files) { - if(debug) fprintf(stderr, "apps.plugin: >> re-indexing.\n"); - all_files_index.root = NULL; - for(i = 0; i < all_files_size; i++) { - if(!all_files[i].count) continue; - file_descriptor_add(&all_files[i]); - } - if(debug) fprintf(stderr, "apps.plugin: >> re-indexing done.\n"); - } - - for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) { - all_files[i].count = 0; - all_files[i].name = NULL; + static int last_pos = 0; + uint32_t hash = simple_hash(name); + + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash); + + struct file_descriptor *fd = file_descriptor_find(name, hash); + if(fd) { + // found + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos); + + fd->count++; + return fd->pos; + } + // not found + + // check we have enough memory to add it + if(!all_files || all_files_len == all_files_size) { + void *old = all_files; + int i; + + // there is no empty slot + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); + + all_files = reallocz(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor)); + + // if the address changed, we have to rebuild the index + // since all pointers are now invalid + if(old && old != (void *)all_files) { + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: >> re-indexing.\n"); + + all_files_index.root = NULL; + for(i = 0; i < all_files_size; i++) { + if(!all_files[i].count) continue; + file_descriptor_add(&all_files[i]); + } + + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: >> re-indexing done.\n"); + } + + for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) { + all_files[i].count = 0; + all_files[i].name = NULL; #ifdef NETDATA_INTERNAL_CHECKS - all_files[i].magic = 0x00000000; + all_files[i].magic = 0x00000000; #endif /* NETDATA_INTERNAL_CHECKS */ - all_files[i].pos = i; - } + all_files[i].pos = i; + } - if(!all_files_size) all_files_len = 1; - all_files_size += FILE_DESCRIPTORS_INCREASE_STEP; - } + if(!all_files_size) all_files_len = 1; + all_files_size += FILE_DESCRIPTORS_INCREASE_STEP; + } - if(debug) fprintf(stderr, "apps.plugin: >> searching for empty slot.\n"); + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: >> searching for empty slot.\n"); - // search for an empty slot - int i, c; - for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) { - if(c >= all_files_size) c = 0; - if(c == 0) continue; + // search for an empty slot + int i, c; + for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) { + if(c >= all_files_size) c = 0; + if(c == 0) continue; - if(!all_files[c].count) { - if(debug) fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c); + if(!all_files[c].count) { + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c); #ifdef NETDATA_INTERNAL_CHECKS - if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash)) - error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name); + if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash)) + error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name); #endif /* NETDATA_INTERNAL_CHECKS */ - if(debug) fprintf(stderr, "apps.plugin: >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name); - if(all_files[c].name) free((void *)all_files[c].name); - all_files[c].name = NULL; - last_pos = c; - break; - } - } - if(i == all_files_size) { - fatal("We should find an empty slot, but there isn't any"); - exit(1); - } - if(debug) fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c); - - all_files_len++; - - // else we have an empty slot in 'c' - - int type; - if(name[0] == '/') type = FILETYPE_FILE; - else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE; - else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET; - else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY; - else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD; - else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL; - else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD; - else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD; - else if(strncmp(name, "anon_inode:", 11) == 0) { - if(debug) fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name); - type = FILETYPE_OTHER; - } - else { - if(debug) fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name); - type = FILETYPE_OTHER; - } - - all_files[c].name = strdup(name); - all_files[c].hash = hash; - all_files[c].type = type; - all_files[c].pos = c; - all_files[c].count = 1; + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name); + + if(all_files[c].name) freez((void *)all_files[c].name); + all_files[c].name = NULL; + last_pos = c; + break; + } + } + if(i == all_files_size) { + fatal("We should find an empty slot, but there isn't any"); + exit(1); + } + + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c); + + all_files_len++; + + // else we have an empty slot in 'c' + + int type; + if(name[0] == '/') type = FILETYPE_FILE; + else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE; + else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET; + else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY; + else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD; + else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL; + else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD; + else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD; + else if(strncmp(name, "anon_inode:", 11) == 0) { + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name); + + type = FILETYPE_OTHER; + } + else { + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name); + + type = FILETYPE_OTHER; + } + + all_files[c].name = strdupz(name); + all_files[c].hash = hash; + all_files[c].type = type; + all_files[c].pos = c; + all_files[c].count = 1; #ifdef NETDATA_INTERNAL_CHECKS - all_files[c].magic = 0x0BADCAFE; + all_files[c].magic = 0x0BADCAFE; #endif /* NETDATA_INTERNAL_CHECKS */ - file_descriptor_add(&all_files[c]); + file_descriptor_add(&all_files[c]); - if(debug) fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name); + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name); - return c; + return c; } int read_pid_file_descriptors(struct pid_stat *p) { - char dirname[FILENAME_MAX+1]; - - snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", host_prefix, p->pid); - DIR *fds = opendir(dirname); - if(fds) { - int c; - struct dirent *de; - char fdname[FILENAME_MAX + 1]; - char linkname[FILENAME_MAX + 1]; - - // make the array negative - for(c = 0 ; c < p->fds_size ; c++) - p->fds[c] = -p->fds[c]; - - while((de = readdir(fds))) { - if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) - continue; - - // check if the fds array is small - int fdid = atoi(de->d_name); - if(fdid < 0) continue; - if(fdid >= p->fds_size) { - // it is small, extend it - if(debug) fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100); - p->fds = realloc(p->fds, (fdid + 100) * sizeof(int)); - if(!p->fds) { - fatal("Cannot re-allocate fds for %s", p->comm); - break; - } - - // and initialize it - for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0; - p->fds_size = fdid + 100; - } - - if(p->fds[fdid] == 0) { - // we don't know this fd, get it - - sprintf(fdname, "%s/proc/%d/fd/%s", host_prefix, p->pid, de->d_name); - ssize_t l = readlink(fdname, linkname, FILENAME_MAX); - if(l == -1) { - if(debug || (p->target && p->target->debug)) { - if(debug || (p->target && p->target->debug)) - error("Cannot read link %s", fdname); - } - continue; - } - linkname[l] = '\0'; - file_counter++; - - // if another process already has this, we will get - // the same id - p->fds[fdid] = file_descriptor_find_or_add(linkname); - } - - // else make it positive again, we need it - // of course, the actual file may have changed, but we don't care so much - // FIXME: we could compare the inode as returned by readdir direct structure - else p->fds[fdid] = -p->fds[fdid]; - } - closedir(fds); - - // remove all the negative file descriptors - for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) { - file_descriptor_not_used(-p->fds[c]); - p->fds[c] = 0; - } - } - else return 1; - - return 0; + char dirname[FILENAME_MAX+1]; + + snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", host_prefix, p->pid); + DIR *fds = opendir(dirname); + if(fds) { + int c; + struct dirent *de; + char fdname[FILENAME_MAX + 1]; + char linkname[FILENAME_MAX + 1]; + + // make the array negative + for(c = 0 ; c < p->fds_size ; c++) + p->fds[c] = -p->fds[c]; + + while((de = readdir(fds))) { + if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) + continue; + + // check if the fds array is small + int fdid = atoi(de->d_name); + if(fdid < 0) continue; + if(fdid >= p->fds_size) { + // it is small, extend it + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100); + + p->fds = reallocz(p->fds, (fdid + 100) * sizeof(int)); + if(!p->fds) { + fatal("Cannot re-allocate fds for %s", p->comm); + break; + } + + // and initialize it + for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0; + p->fds_size = fdid + 100; + } + + if(p->fds[fdid] == 0) { + // we don't know this fd, get it + + sprintf(fdname, "%s/proc/%d/fd/%s", host_prefix, p->pid, de->d_name); + ssize_t l = readlink(fdname, linkname, FILENAME_MAX); + if(l == -1) { + if(debug || (p->target && p->target->debug)) { + if(debug || (p->target && p->target->debug)) + error("Cannot read link %s", fdname); + } + continue; + } + linkname[l] = '\0'; + file_counter++; + + // if another process already has this, we will get + // the same id + p->fds[fdid] = file_descriptor_find_or_add(linkname); + } + + // else make it positive again, we need it + // of course, the actual file may have changed, but we don't care so much + // FIXME: we could compare the inode as returned by readdir dirent structure + else p->fds[fdid] = -p->fds[fdid]; + } + closedir(fds); + + // remove all the negative file descriptors + for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) { + file_descriptor_not_used(-p->fds[c]); + p->fds[c] = 0; + } + } + else return 0; + + return 1; +} + +// ---------------------------------------------------------------------------- + +int print_process_and_parents(struct pid_stat *p, unsigned long long time) { + char *prefix = "\\_ "; + int indent = 0; + + if(p->parent) + indent = print_process_and_parents(p->parent, p->stat_collected_usec); + else + prefix = " > "; + + char buffer[indent + 1]; + int i; + + for(i = 0; i < indent ;i++) buffer[i] = ' '; + buffer[i] = '\0'; + + fprintf(stderr, " %s %s%s (%d %s %lld" + , buffer + , prefix + , p->comm + , p->pid + , p->updated?"running":"exited" + , (long long)p->stat_collected_usec - (long long)time + ); + + if(p->utime) fprintf(stderr, " utime=%llu", p->utime); + if(p->stime) fprintf(stderr, " stime=%llu", p->stime); + if(p->gtime) fprintf(stderr, " gtime=%llu", p->gtime); + if(p->cutime) fprintf(stderr, " cutime=%llu", p->cutime); + if(p->cstime) fprintf(stderr, " cstime=%llu", p->cstime); + if(p->cgtime) fprintf(stderr, " cgtime=%llu", p->cgtime); + if(p->minflt) fprintf(stderr, " minflt=%llu", p->minflt); + if(p->cminflt) fprintf(stderr, " cminflt=%llu", p->cminflt); + if(p->majflt) fprintf(stderr, " majflt=%llu", p->majflt); + if(p->cmajflt) fprintf(stderr, " cmajflt=%llu", p->cmajflt); + fprintf(stderr, ")\n"); + + return indent + 1; +} + +void print_process_tree(struct pid_stat *p, char *msg) { + log_date(stderr); + fprintf(stderr, "%s: process %s (%d, %s) with parents:\n", msg, p->comm, p->pid, p->updated?"running":"exited"); + print_process_and_parents(p, p->stat_collected_usec); +} + +void find_lost_child_debug(struct pid_stat *pe, unsigned long long lost, int type) { + int found = 0; + struct pid_stat *p = NULL; + + for(p = root_of_pids; p ; p = p->next) { + if(p == pe) continue; + + switch(type) { + case 1: + if(p->cminflt > lost) { + fprintf(stderr, " > process %d (%s) could use the lost exited child minflt %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm); + found++; + } + break; + + case 2: + if(p->cmajflt > lost) { + fprintf(stderr, " > process %d (%s) could use the lost exited child majflt %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm); + found++; + } + break; + + case 3: + if(p->cutime > lost) { + fprintf(stderr, " > process %d (%s) could use the lost exited child utime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm); + found++; + } + break; + + case 4: + if(p->cstime > lost) { + fprintf(stderr, " > process %d (%s) could use the lost exited child stime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm); + found++; + } + break; + + case 5: + if(p->cgtime > lost) { + fprintf(stderr, " > process %d (%s) could use the lost exited child gtime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm); + found++; + } + break; + } + } + + if(!found) { + switch(type) { + case 1: + fprintf(stderr, " > cannot find any process to use the lost exited child minflt %llu of process %d (%s)\n", lost, pe->pid, pe->comm); + break; + + case 2: + fprintf(stderr, " > cannot find any process to use the lost exited child majflt %llu of process %d (%s)\n", lost, pe->pid, pe->comm); + break; + + case 3: + fprintf(stderr, " > cannot find any process to use the lost exited child utime %llu of process %d (%s)\n", lost, pe->pid, pe->comm); + break; + + case 4: + fprintf(stderr, " > cannot find any process to use the lost exited child stime %llu of process %d (%s)\n", lost, pe->pid, pe->comm); + break; + + case 5: + fprintf(stderr, " > cannot find any process to use the lost exited child gtime %llu of process %d (%s)\n", lost, pe->pid, pe->comm); + break; + } + } +} + +unsigned long long remove_exited_child_from_parent(unsigned long long *field, unsigned long long *pfield) { + unsigned long long absorbed = 0; + + if(*field > *pfield) { + absorbed += *pfield; + *field -= *pfield; + *pfield = 0; + } + else { + absorbed += *field; + *pfield -= *field; + *field = 0; + } + + return absorbed; +} + +void process_exited_processes() { + struct pid_stat *p; + + for(p = root_of_pids; p ; p = p->next) { + if(p->updated || !p->stat_collected_usec) + continue; + + struct pid_stat *pp = p->parent; + + unsigned long long utime = (p->utime_raw + p->cutime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + unsigned long long stime = (p->stime_raw + p->cstime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + unsigned long long gtime = (p->gtime_raw + p->cgtime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + unsigned long long minflt = (p->minflt_raw + p->cminflt_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + unsigned long long majflt = (p->majflt_raw + p->cmajflt_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec); + + if(utime + stime + gtime + minflt + majflt == 0) + continue; + + if(unlikely(debug)) { + log_date(stderr); + fprintf(stderr, "Absorb %s (%d %s total resources: utime=%llu stime=%llu gtime=%llu minflt=%llu majflt=%llu)\n" + , p->comm + , p->pid + , p->updated?"running":"exited" + , utime + , stime + , gtime + , minflt + , majflt + ); + print_process_tree(p, "Searching parents"); + } + + for(pp = p->parent; pp ; pp = pp->parent) { + if(!pp->updated) continue; + + unsigned long long absorbed; + absorbed = remove_exited_child_from_parent(&utime, &pp->cutime); + if(unlikely(debug && absorbed)) + fprintf(stderr, " > process %s (%d %s) absorbed %llu utime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, utime); + + absorbed = remove_exited_child_from_parent(&stime, &pp->cstime); + if(unlikely(debug && absorbed)) + fprintf(stderr, " > process %s (%d %s) absorbed %llu stime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, stime); + + absorbed = remove_exited_child_from_parent(>ime, &pp->cgtime); + if(unlikely(debug && absorbed)) + fprintf(stderr, " > process %s (%d %s) absorbed %llu gtime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, gtime); + + absorbed = remove_exited_child_from_parent(&minflt, &pp->cminflt); + if(unlikely(debug && absorbed)) + fprintf(stderr, " > process %s (%d %s) absorbed %llu minflt (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, minflt); + + absorbed = remove_exited_child_from_parent(&majflt, &pp->cmajflt); + if(unlikely(debug && absorbed)) + fprintf(stderr, " > process %s (%d %s) absorbed %llu majflt (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, majflt); + } + + if(unlikely(utime + stime + gtime + minflt + majflt > 0)) { + if(unlikely(debug)) { + if(utime) find_lost_child_debug(p, utime, 3); + if(stime) find_lost_child_debug(p, stime, 4); + if(gtime) find_lost_child_debug(p, gtime, 5); + if(minflt) find_lost_child_debug(p, minflt, 1); + if(majflt) find_lost_child_debug(p, majflt, 2); + } + + p->keep = 1; + + if(unlikely(debug)) + fprintf(stderr, " > remaining resources - KEEP - for another loop: %s (%d %s total resources: utime=%llu stime=%llu gtime=%llu minflt=%llu majflt=%llu)\n" + , p->comm + , p->pid + , p->updated?"running":"exited" + , utime + , stime + , gtime + , minflt + , majflt + ); + + for(pp = p->parent; pp ; pp = pp->parent) { + if(pp->updated) break; + pp->keep = 1; + + if(unlikely(debug)) + fprintf(stderr, " > - KEEP - parent for another loop: %s (%d %s)\n" + , pp->comm + , pp->pid + , pp->updated?"running":"exited" + ); + } + + p->utime_raw = utime * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL); + p->stime_raw = stime * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL); + p->gtime_raw = gtime * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL); + p->minflt_raw = minflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL); + p->majflt_raw = majflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL); + p->cutime_raw = p->cstime_raw = p->cgtime_raw = p->cminflt_raw = p->cmajflt_raw = 0; + + if(unlikely(debug)) + fprintf(stderr, "\n"); + } + else if(unlikely(debug)) { + fprintf(stderr, " > totally absorbed - DONE - %s (%d %s)\n" + , p->comm + , p->pid + , p->updated?"running":"exited" + ); + } + } +} + +void link_all_processes_to_their_parents(void) { + struct pid_stat *p, *pp; + + // link all children to their parents + // and update children count on parents + for(p = root_of_pids; p ; p = p->next) { + // for each process found + + p->sortlist = 0; + p->parent = NULL; + + if(unlikely(!p->ppid)) { + p->parent = NULL; + continue; + } + + pp = all_pids[p->ppid]; + if(likely(pp)) { + p->parent = pp; + pp->children_count++; + + if(unlikely(debug || (p->target && p->target->debug))) + fprintf(stderr, "apps.plugin: \tchild %d (%s, %s) on target '%s' has parent %d (%s, %s). Parent: utime=%llu, stime=%llu, gtime=%llu, minflt=%llu, majflt=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->updated?"running":"exited", (p->target)?p->target->name:"UNSET", pp->pid, pp->comm, pp->updated?"running":"exited", pp->utime, pp->stime, pp->gtime, pp->minflt, pp->majflt, pp->cutime, pp->cstime, pp->cgtime, pp->cminflt, pp->cmajflt); + } + else { + p->parent = NULL; + error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid); + } + } } // ---------------------------------------------------------------------------- @@ -1269,206 +1563,224 @@ int read_pid_file_descriptors(struct pid_stat *p) { // to avoid filling up all disk space // if debug is enabled, all errors are printed -int collect_data_for_all_processes_from_proc(void) -{ - char dirname[FILENAME_MAX + 1]; +static int compar_pid(const void *pid1, const void *pid2) { + + struct pid_stat *p1 = all_pids[*((pid_t *)pid1)]; + struct pid_stat *p2 = all_pids[*((pid_t *)pid2)]; - snprintfz(dirname, FILENAME_MAX, "%s/proc", host_prefix); - DIR *dir = opendir(dirname); - if(!dir) return 0; + if(p1->sortlist > p2->sortlist) + return -1; + else + return 1; +} - struct dirent *file = NULL; - struct pid_stat *p = NULL; +static inline int managed_log(struct pid_stat *p, uint32_t log, int status) { + if(unlikely(!status)) { + // error("command failed log %u, errno %d", log, errno); + + if(unlikely(debug || errno != ENOENT)) { + if(unlikely(debug || !(p->log_thrown & log))) { + p->log_thrown |= log; + switch(log) { + case PID_LOG_IO: + error("Cannot process %s/proc/%d/io (command '%s')", host_prefix, p->pid, p->comm); + break; + + case PID_LOG_STATM: + error("Cannot process %s/proc/%d/statm (command '%s')", host_prefix, p->pid, p->comm); + break; + + case PID_LOG_CMDLINE: + error("Cannot process %s/proc/%d/cmdline (command '%s')", host_prefix, p->pid, p->comm); + break; + + case PID_LOG_FDS: + error("Cannot process entries in %s/proc/%d/fd (command '%s')", host_prefix, p->pid, p->comm); + break; + + case PID_LOG_STAT: + break; + + default: + error("unhandled error for pid %d, command '%s'", p->pid, p->comm); + break; + } + } + } + errno = 0; + } + else if(unlikely(p->log_thrown & log)) { + // error("unsetting log %u on pid %d", log, p->pid); + p->log_thrown &= ~log; + } + + return status; +} - // mark them all as un-updated - all_pids_count = 0; - for(p = root_of_pids; p ; p = p->next) { - all_pids_count++; - p->parent = NULL; - p->updated = 0; - p->children_count = 0; - p->merged = 0; - p->new_entry = 0; +void collect_data_for_pid(pid_t pid) { + if(unlikely(pid <= 0 || pid > pid_max)) { + error("Invalid pid %d read (expected 1 to %d). Ignoring process.", pid, pid_max); + return; + } - p->last_minflt = p->minflt; - p->last_cminflt = p->cminflt; - p->last_majflt = p->majflt; - p->last_cmajflt = p->cmajflt; - p->last_utime = p->utime; - p->last_stime = p->stime; - p->last_cutime = p->cutime; - p->last_cstime = p->cstime; - - p->last_io_logical_bytes_read = p->io_logical_bytes_read; - p->last_io_logical_bytes_written = p->io_logical_bytes_written; - p->last_io_read_calls = p->io_read_calls; - p->last_io_write_calls = p->io_write_calls; - p->last_io_storage_bytes_read = p->io_storage_bytes_read; - p->last_io_storage_bytes_written = p->io_storage_bytes_written; - p->last_io_cancelled_write_bytes = p->io_cancelled_write_bytes; - } - - while((file = readdir(dir))) { - char *endptr = file->d_name; - pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10); - - // make sure we read a valid number - if(unlikely(pid <= 0 || pid > pid_max || endptr == file->d_name || *endptr != '\0')) - continue; - - p = get_pid_entry(pid); - if(unlikely(!p)) continue; - - - // -------------------------------------------------------------------- - // /proc/<pid>/stat - - if(unlikely(read_proc_pid_stat(p))) { - error("Cannot process %s/proc/%d/stat", host_prefix, pid); - - // there is no reason to proceed if we cannot get its status - continue; - } - - // check its parent pid - if(unlikely(p->ppid < 0 || p->ppid > pid_max)) { - error("Pid %d states invalid parent pid %d. Using 0.", pid, p->ppid); - - p->ppid = 0; - } - - // -------------------------------------------------------------------- - // /proc/<pid>/cmdline - - if(proc_pid_cmdline_is_needed) { - if(unlikely(read_proc_pid_cmdline(p))) { - error("Cannot process %s/proc/%d/cmdline", host_prefix, pid); - } - } - - // -------------------------------------------------------------------- - // /proc/<pid>/statm - - if(unlikely(read_proc_pid_statm(p))) { - error("Cannot process %s/proc/%d/statm", host_prefix, pid); - - // there is no reason to proceed if we cannot get its memory status - continue; - } - - - // -------------------------------------------------------------------- - // /proc/<pid>/io - - if(unlikely(read_proc_pid_io(p))) { - error("Cannot process %s/proc/%d/io", host_prefix, pid); - - // on systems without /proc/X/io - // allow proceeding without I/O information - // continue; - } - - // -------------------------------------------------------------------- - // <pid> ownership - - if(unlikely(read_proc_pid_ownership(p))) { - error("Cannot stat %s/proc/%d", host_prefix, pid); - } - - // -------------------------------------------------------------------- - // link it - - // check if it is target - // we do this only once, the first time this pid is loaded - if(unlikely(p->new_entry)) { - if(debug) fprintf(stderr, "apps.plugin: \tJust added %s\n", p->comm); - uint32_t hash = simple_hash(p->comm); - size_t pclen = strlen(p->comm); - - struct target *w; - for(w = apps_groups_root_target; w ; w = w->next) { - // if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm); - - // find it - 4 cases: - // 1. the target is not a pattern - // 2. the target has the prefix - // 3. the target has the suffix - // 4. the target is something inside cmdline - if( (!w->starts_with && !w->ends_with && w->comparehash == hash && !strcmp(w->compare, p->comm)) - || (w->starts_with && !w->ends_with && !strncmp(w->compare, p->comm, w->comparelen)) - || (!w->starts_with && w->ends_with && pclen >= w->comparelen && !strcmp(w->compare, &p->comm[pclen - w->comparelen])) - || (proc_pid_cmdline_is_needed && w->starts_with && w->ends_with && strstr(p->cmdline, w->compare)) - ) { - if(w->target) p->target = w->target; - else p->target = w; + struct pid_stat *p = get_pid_entry(pid); + if(unlikely(!p || p->read)) return; + p->read = 1; - if(debug || (p->target && p->target->debug)) - fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name); - } - } - } + // fprintf(stderr, "Reading process %d (%s), sortlist %d\n", p->pid, p->comm, p->sortlist); - // -------------------------------------------------------------------- - // /proc/<pid>/fd + // -------------------------------------------------------------------- + // /proc/<pid>/stat - if(unlikely(read_pid_file_descriptors(p))) { - error("Cannot process entries in %s/proc/%d/fd", host_prefix, pid); - } + if(unlikely(!managed_log(p, PID_LOG_STAT, read_proc_pid_stat(p)))) + // there is no reason to proceed if we cannot get its status + return; - // -------------------------------------------------------------------- - // done! + read_proc_pid_ownership(p); - // mark it as updated - p->updated = 1; - } + // check its parent pid + if(unlikely(p->ppid < 0 || p->ppid > pid_max)) { + error("Pid %d (command '%s') states invalid parent pid %d. Using 0.", pid, p->comm, p->ppid); + p->ppid = 0; + } - closedir(dir); + // -------------------------------------------------------------------- + // /proc/<pid>/io - return 1; -} + managed_log(p, PID_LOG_IO, read_proc_pid_io(p)); + // -------------------------------------------------------------------- + // /proc/<pid>/statm -// ---------------------------------------------------------------------------- + if(unlikely(!managed_log(p, PID_LOG_STATM, read_proc_pid_statm(p)))) + // there is no reason to proceed if we cannot get its memory status + return; -#ifdef AGGREGATE_CHILDREN_TO_PARENTS -// print a tree view of all processes -int debug_childrens_aggregations(pid_t pid, int level) { - struct pid_stat *p = NULL; - char b[level+3]; - int i, ret = 0; - - for(i = 0; i < level; i++) b[i] = '\t'; - b[level] = '|'; - b[level+1] = '-'; - b[level+2] = '\0'; - - for(p = root_of_pids; p ; p = p->next) { - if(p->ppid == pid) { - ret += debug_childrens_aggregations(p->pid, level+1); - } - } - - p = all_pids[pid]; - if(p) { - if(!p->updated) ret += 1; - if(ret) fprintf(stderr, "%s %s %d [%s, %s] c=%d u=%llu+%llu, s=%llu+%llu, cu=%llu+%llu, cs=%llu+%llu, n=%llu+%llu, j=%llu+%llu, cn=%llu+%llu, cj=%llu+%llu\n" - , b, p->comm, p->pid, p->updated?"OK":"KILLED", p->target->name, p->children_count - , p->utime, p->utime - p->old_utime - , p->stime, p->stime - p->old_stime - , p->cutime, p->cutime - p->old_cutime - , p->cstime, p->cstime - p->old_cstime - , p->minflt, p->minflt - p->old_minflt - , p->majflt, p->majflt - p->old_majflt - , p->cminflt, p->cminflt - p->old_cminflt - , p->cmajflt, p->cmajflt - p->old_cmajflt - ); - } - - return ret; -} -#endif /* AGGREGATE_CHILDREN_TO_PARENTS */ + // -------------------------------------------------------------------- + // link it + // check if it is target + // we do this only once, the first time this pid is loaded + if(unlikely(p->new_entry)) { + // /proc/<pid>/cmdline + if(likely(proc_pid_cmdline_is_needed)) + managed_log(p, PID_LOG_CMDLINE, read_proc_pid_cmdline(p)); + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: \tJust added %d (%s)\n", pid, p->comm); + + uint32_t hash = simple_hash(p->comm); + size_t pclen = strlen(p->comm); + + struct target *w; + for(w = apps_groups_root_target; w ; w = w->next) { + // if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm); + + // find it - 4 cases: + // 1. the target is not a pattern + // 2. the target has the prefix + // 3. the target has the suffix + // 4. the target is something inside cmdline + if( (!w->starts_with && !w->ends_with && w->comparehash == hash && !strcmp(w->compare, p->comm)) + || (w->starts_with && !w->ends_with && !strncmp(w->compare, p->comm, w->comparelen)) + || (!w->starts_with && w->ends_with && pclen >= w->comparelen && !strcmp(w->compare, &p->comm[pclen - w->comparelen])) + || (proc_pid_cmdline_is_needed && w->starts_with && w->ends_with && strstr(p->cmdline, w->compare)) + ) { + if(w->target) p->target = w->target; + else p->target = w; + + if(debug || (p->target && p->target->debug)) + fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name); + + break; + } + } + } + + // -------------------------------------------------------------------- + // /proc/<pid>/fd + + if(enable_file_charts) + managed_log(p, PID_LOG_FDS, read_pid_file_descriptors(p)); + + // -------------------------------------------------------------------- + // done! + + if(unlikely(debug && include_exited_childs && all_pids_count && p->ppid && all_pids[p->ppid] && !all_pids[p->ppid]->read)) + fprintf(stderr, "Read process %d (%s) sortlisted %d, but its parent %d (%s) sortlisted %d, is not read\n", p->pid, p->comm, p->sortlist, all_pids[p->ppid]->pid, all_pids[p->ppid]->comm, all_pids[p->ppid]->sortlist); + + // mark it as updated + p->updated = 1; + p->keep = 0; + p->keeploops = 0; +} + +int collect_data_for_all_processes_from_proc(void) { + struct pid_stat *p = NULL; + + if(all_pids_count) { + // read parents before childs + // this is needed to prevent a situation where + // a child is found running, but until we read + // its parent, it has exited and its parent + // has accumulated its resources + + long slc = 0; + for(p = root_of_pids; p ; p = p->next) { + p->read = 0; + p->updated = 0; + p->new_entry = 0; + p->merged = 0; + p->children_count = 0; + p->parent = NULL; + + all_pids_sortlist[slc++] = p->pid; + } + + if(unlikely(slc != all_pids_count)) { + error("Internal error: I was thinking I had %ld processes in my arrays, but it seems there are more.", all_pids_count); + all_pids_count = slc; + } + + if(include_exited_childs) { + qsort((void *)all_pids_sortlist, all_pids_count, sizeof(pid_t), compar_pid); + for(slc = 0; slc < all_pids_count; slc++) + collect_data_for_pid(all_pids_sortlist[slc]); + } + } + + char dirname[FILENAME_MAX + 1]; + + snprintfz(dirname, FILENAME_MAX, "%s/proc", host_prefix); + DIR *dir = opendir(dirname); + if(!dir) return 0; + + struct dirent *file = NULL; + + while((file = readdir(dir))) { + char *endptr = file->d_name; + pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10); + + // make sure we read a valid number + if(unlikely(endptr == file->d_name || *endptr != '\0')) + continue; + + collect_data_for_pid(pid); + } + closedir(dir); + + // normally this is done + // however we may have processes exited while we collected values + // so let's find the exited ones + // we do this by collecting the ownership of process + // if we manage to get the ownership, the process still runs + + read_proc_stat(); + link_all_processes_to_their_parents(); + process_exited_processes(); + + return 1; +} // ---------------------------------------------------------------------------- // update statistics on the targets @@ -1486,729 +1798,760 @@ int debug_childrens_aggregations(pid_t pid, int level) { // 9. find the unique file count for each target // check: update_apps_groups_statistics() -void link_all_processes_to_their_parents(void) { - struct pid_stat *p = NULL; - - // link all children to their parents - // and update children count on parents - for(p = root_of_pids; p ; p = p->next) { - // for each process found running - - if(p->ppid > 0 - && p->ppid <= pid_max - && all_pids[p->ppid] - ) { - // for valid processes - - if(debug || (p->target && p->target->debug)) - fprintf(stderr, "apps.plugin: \tparent of %d (%s) is %d (%s)\n", p->pid, p->comm, p->ppid, all_pids[p->ppid]->comm); - - p->parent = all_pids[p->ppid]; - p->parent->children_count++; - } - else if(p->ppid != 0) - error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid); - } -} - -#ifdef AGGREGATE_CHILDREN_TO_PARENTS -void aggregate_children_to_parents(void) { - struct pid_stat *p = NULL; - - // for each killed process, remove its values from the parents - // sums (we had already added them in a previous loop) - for(p = root_of_pids; p ; p = p->next) { - if(p->updated) continue; - - if(debug) fprintf(stderr, "apps.plugin: UNMERGING %d %s\n", p->pid, p->comm); - - unsigned long long diff_utime = p->utime + p->cutime + p->fix_cutime; - unsigned long long diff_stime = p->stime + p->cstime + p->fix_cstime; - unsigned long long diff_minflt = p->minflt + p->cminflt + p->fix_cminflt; - unsigned long long diff_majflt = p->majflt + p->cmajflt + p->fix_cmajflt; - - struct pid_stat *t = p; - while((t = t->parent)) { - if(!t->updated) continue; - - unsigned long long x; - if(diff_utime && t->diff_cutime) { - x = (t->diff_cutime < diff_utime)?t->diff_cutime:diff_utime; - diff_utime -= x; - t->diff_cutime -= x; - t->fix_cutime += x; - if(debug) fprintf(stderr, "apps.plugin: \t cutime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name); - } - if(diff_stime && t->diff_cstime) { - x = (t->diff_cstime < diff_stime)?t->diff_cstime:diff_stime; - diff_stime -= x; - t->diff_cstime -= x; - t->fix_cstime += x; - if(debug) fprintf(stderr, "apps.plugin: \t cstime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name); - } - if(diff_minflt && t->diff_cminflt) { - x = (t->diff_cminflt < diff_minflt)?t->diff_cminflt:diff_minflt; - diff_minflt -= x; - t->diff_cminflt -= x; - t->fix_cminflt += x; - if(debug) fprintf(stderr, "apps.plugin: \t cminflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name); - } - if(diff_majflt && t->diff_cmajflt) { - x = (t->diff_cmajflt < diff_majflt)?t->diff_cmajflt:diff_majflt; - diff_majflt -= x; - t->diff_cmajflt -= x; - t->fix_cmajflt += x; - if(debug) fprintf(stderr, "apps.plugin: \t cmajflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name); - } - } - - if(diff_utime) error("Cannot fix up utime %llu", diff_utime); - if(diff_stime) error("Cannot fix up stime %llu", diff_stime); - if(diff_minflt) error("Cannot fix up minflt %llu", diff_minflt); - if(diff_majflt) error("Cannot fix up majflt %llu", diff_majflt); - } -} -#endif /* AGGREGATE_CHILDREN_TO_PARENTS */ - -void cleanup_non_existing_pids(void) { - int c; - struct pid_stat *p = NULL; - - for(p = root_of_pids; p ;) { - if(!p->updated) { -// fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->parent->pid, p->parent->comm, p->target->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt); - - for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) { - file_descriptor_not_used(p->fds[c]); - p->fds[c] = 0; - } - - pid_t r = p->pid; - p = p->next; - del_pid_entry(r); - } - else p = p->next; - } +void cleanup_exited_pids(void) { + int c; + struct pid_stat *p = NULL; + + for(p = root_of_pids; p ;) { + if(!p->updated && (!p->keep || p->keeploops > 0)) { +// fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, gtime=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->parent->pid, p->parent->comm, p->target->name, p->utime, p->stime, p->gtime, p->cutime, p->cstime, p->cgtime, p->minflt, p->majflt, p->cminflt, p->cmajflt); + + if(unlikely(debug && (p->keep || p->keeploops))) + fprintf(stderr, " > CLEANUP cannot keep exited process %d (%s) anymore - removing it.\n", p->pid, p->comm); + + for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) { + file_descriptor_not_used(p->fds[c]); + p->fds[c] = 0; + } + + pid_t r = p->pid; + p = p->next; + del_pid_entry(r); + } + else { + if(unlikely(p->keep)) p->keeploops++; + p->keep = 0; + p = p->next; + } + } } void apply_apps_groups_targets_inheritance(void) { - struct pid_stat *p = NULL; - - // children that do not have a target - // inherit their target from their parent - int found = 1; - while(found) { - found = 0; - for(p = root_of_pids; p ; p = p->next) { - // if this process does not have a target - // and it has a parent - // and its parent has a target - // then, set the parent's target to this process - if(unlikely(!p->target && p->parent && p->parent->target)) { - p->target = p->parent->target; - found++; - - if(debug || (p->target && p->target->debug)) - fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s).\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm); - } - } - } - - - // find all the procs with 0 childs and merge them to their parents - // repeat, until nothing more can be done. - found = 1; - while(found) { - found = 0; - for(p = root_of_pids; p ; p = p->next) { - // if this process does not have any children - // and is not already merged - // and has a parent - // and its parent has children - // and the target of this process and its parent is the same, or the parent does not have a target - // and its parent is not init - // then, mark them as merged. - if(unlikely( - !p->children_count - && !p->merged - && p->parent - && p->parent->children_count - && (p->target == p->parent->target || !p->parent->target) - && p->ppid != 1 - )) { - p->parent->children_count--; - p->merged = 1; - - // the parent inherits the child's target, if it does not have a target itself - if(unlikely(p->target && !p->parent->target)) { - p->parent->target = p->target; - - if(debug || (p->target && p->target->debug)) - fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its child %d (%s).\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm); - } - - found++; - } - } - - if(debug) - fprintf(stderr, "apps.plugin: merged %d processes\n", found); - } - - // init goes always to default target - if(all_pids[1]) - all_pids[1]->target = apps_groups_default_target; - - // give a default target on all top level processes - for(p = root_of_pids; p ; p = p->next) { - // if the process is not merged itself - // then is is a top level process - if(!p->merged && !p->target) - p->target = apps_groups_default_target; - -#ifdef AGGREGATE_CHILDREN_TO_PARENTS - // by the way, update the diffs - // will be used later for subtracting killed process times - p->diff_cutime = p->utime - p->cutime; - p->diff_cstime = p->stime - p->cstime; - p->diff_cminflt = p->minflt - p->cminflt; - p->diff_cmajflt = p->majflt - p->cmajflt; -#endif /* AGGREGATE_CHILDREN_TO_PARENTS */ - } - - // give a target to all merged child processes - found = 1; - while(found) { - found = 0; - for(p = root_of_pids; p ; p = p->next) { - if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) { - p->target = p->parent->target; - found++; - - if(debug || (p->target && p->target->debug)) - fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s) at phase 2.\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm); - } - } - } + struct pid_stat *p = NULL; + + // children that do not have a target + // inherit their target from their parent + int found = 1, loops = 0; + while(found) { + if(unlikely(debug)) loops++; + found = 0; + for(p = root_of_pids; p ; p = p->next) { + // if this process does not have a target + // and it has a parent + // and its parent has a target + // then, set the parent's target to this process + if(unlikely(!p->target && p->parent && p->parent->target)) { + p->target = p->parent->target; + found++; + + if(debug || (p->target && p->target->debug)) + fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s).\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm); + } + } + } + + // find all the procs with 0 childs and merge them to their parents + // repeat, until nothing more can be done. + int sortlist = 1; + found = 1; + while(found) { + if(unlikely(debug)) loops++; + found = 0; + + for(p = root_of_pids; p ; p = p->next) { + if(unlikely(!p->sortlist && !p->children_count)) + p->sortlist = sortlist++; + + // if this process does not have any children + // and is not already merged + // and has a parent + // and its parent has children + // and the target of this process and its parent is the same, or the parent does not have a target + // and its parent is not init + // then, mark them as merged. + if(unlikely( + !p->children_count + && !p->merged + && p->parent + && p->parent->children_count + && (p->target == p->parent->target || !p->parent->target) + && p->ppid != 1 + )) { + p->parent->children_count--; + p->merged = 1; + + // the parent inherits the child's target, if it does not have a target itself + if(unlikely(p->target && !p->parent->target)) { + p->parent->target = p->target; + + if(debug || (p->target && p->target->debug)) + fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its child %d (%s).\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm); + } + + found++; + } + } + + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: TARGET INHERITANCE: merged %d processes\n", found); + } + + // init goes always to default target + if(all_pids[1]) + all_pids[1]->target = apps_groups_default_target; + + // give a default target on all top level processes + if(unlikely(debug)) loops++; + for(p = root_of_pids; p ; p = p->next) { + // if the process is not merged itself + // then is is a top level process + if(unlikely(!p->merged && !p->target)) + p->target = apps_groups_default_target; + + // make sure all processes have a sortlist + if(unlikely(!p->sortlist)) + p->sortlist = sortlist++; + } + + if(all_pids[1]) + all_pids[1]->sortlist = sortlist++; + + // give a target to all merged child processes + found = 1; + while(found) { + if(unlikely(debug)) loops++; + found = 0; + for(p = root_of_pids; p ; p = p->next) { + if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) { + p->target = p->parent->target; + found++; + + if(debug || (p->target && p->target->debug)) + fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s) at phase 2.\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm); + } + } + } + + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: apply_apps_groups_targets_inheritance() made %d loops on the process tree\n", loops); } long zero_all_targets(struct target *root) { - struct target *w; - long count = 0; - - for (w = root; w ; w = w->next) { - count++; - - if(w->fds) free(w->fds); - w->fds = NULL; - - w->minflt = 0; - w->majflt = 0; - w->utime = 0; - w->stime = 0; - w->cminflt = 0; - w->cmajflt = 0; - w->cutime = 0; - w->cstime = 0; - w->num_threads = 0; - w->rss = 0; - w->processes = 0; - - w->statm_size = 0; - w->statm_resident = 0; - w->statm_share = 0; - w->statm_text = 0; - w->statm_lib = 0; - w->statm_data = 0; - w->statm_dirty = 0; - - w->io_logical_bytes_read = 0; - w->io_logical_bytes_written = 0; - w->io_read_calls = 0; - w->io_write_calls = 0; - w->io_storage_bytes_read = 0; - w->io_storage_bytes_written = 0; - w->io_cancelled_write_bytes = 0; - } - - return count; + struct target *w; + long count = 0; + + for (w = root; w ; w = w->next) { + count++; + + if(w->fds) freez(w->fds); + w->fds = NULL; + + w->minflt = 0; + w->majflt = 0; + w->utime = 0; + w->stime = 0; + w->gtime = 0; + w->cminflt = 0; + w->cmajflt = 0; + w->cutime = 0; + w->cstime = 0; + w->cgtime = 0; + w->num_threads = 0; + w->rss = 0; + w->processes = 0; + + w->statm_size = 0; + w->statm_resident = 0; + w->statm_share = 0; + w->statm_text = 0; + w->statm_lib = 0; + w->statm_data = 0; + w->statm_dirty = 0; + + w->io_logical_bytes_read = 0; + w->io_logical_bytes_written = 0; + w->io_read_calls = 0; + w->io_write_calls = 0; + w->io_storage_bytes_read = 0; + w->io_storage_bytes_written = 0; + w->io_cancelled_write_bytes = 0; + } + + return count; } void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) { - if(unlikely(!w->fds)) { - w->fds = calloc(sizeof(int), (size_t) all_files_size); - if(unlikely(!w->fds)) - error("Cannot allocate memory for fds in %s", w->name); - } - - if(likely(p->updated)) { - w->cutime += p->cutime; // - p->fix_cutime; - w->cstime += p->cstime; // - p->fix_cstime; - w->cminflt += p->cminflt; // - p->fix_cminflt; - w->cmajflt += p->cmajflt; // - p->fix_cmajflt; - - w->utime += p->utime; //+ (p->pid != 1)?(p->cutime - p->fix_cutime):0; - w->stime += p->stime; //+ (p->pid != 1)?(p->cstime - p->fix_cstime):0; - w->minflt += p->minflt; //+ (p->pid != 1)?(p->cminflt - p->fix_cminflt):0; - w->majflt += p->majflt; //+ (p->pid != 1)?(p->cmajflt - p->fix_cmajflt):0; - - //if(p->num_threads < 0) - // error("Negative threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads); - - //if(p->num_threads > 10000) - // error("Excessive threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads); - - w->num_threads += p->num_threads; - w->rss += p->rss; - - w->statm_size += p->statm_size; - w->statm_resident += p->statm_resident; - w->statm_share += p->statm_share; - w->statm_text += p->statm_text; - w->statm_lib += p->statm_lib; - w->statm_data += p->statm_data; - w->statm_dirty += p->statm_dirty; - - w->io_logical_bytes_read += p->io_logical_bytes_read; - w->io_logical_bytes_written += p->io_logical_bytes_written; - w->io_read_calls += p->io_read_calls; - w->io_write_calls += p->io_write_calls; - w->io_storage_bytes_read += p->io_storage_bytes_read; - w->io_storage_bytes_written += p->io_storage_bytes_written; - w->io_cancelled_write_bytes += p->io_cancelled_write_bytes; - - w->processes++; - - if(likely(w->fds)) { - int c; - for(c = 0; c < p->fds_size ;c++) { - if(p->fds[c] == 0) continue; - - if(likely(p->fds[c] < all_files_size)) { - if(w->fds) w->fds[p->fds[c]]++; - } - else - error("Invalid fd number %d", p->fds[c]); - } - } - - if(unlikely(debug || w->debug)) - fprintf(stderr, "apps.plugin: \tAgregating %s pid %d on %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->comm, p->pid, w->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt); - -/* if(p->utime - p->old_utime > 100) fprintf(stderr, "BIG CHANGE: %d %s utime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->utime - p->old_utime, p->old_utime, p->utime); - if(p->cutime - p->old_cutime > 100) fprintf(stderr, "BIG CHANGE: %d %s cutime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cutime - p->old_cutime, p->old_cutime, p->cutime); - if(p->stime - p->old_stime > 100) fprintf(stderr, "BIG CHANGE: %d %s stime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->stime - p->old_stime, p->old_stime, p->stime); - if(p->cstime - p->old_cstime > 100) fprintf(stderr, "BIG CHANGE: %d %s cstime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cstime - p->old_cstime, p->old_cstime, p->cstime); - if(p->minflt - p->old_minflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s minflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->minflt - p->old_minflt, p->old_minflt, p->minflt); - if(p->majflt - p->old_majflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s majflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->majflt - p->old_majflt, p->old_majflt, p->majflt); - if(p->cminflt - p->old_cminflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cminflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cminflt - p->old_cminflt, p->old_cminflt, p->cminflt); - if(p->cmajflt - p->old_cmajflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cmajflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cmajflt - p->old_cmajflt, p->old_cmajflt, p->cmajflt); -*/ -#ifdef AGGREGATE_CHILDREN_TO_PARENTS - p->old_utime = p->utime; - p->old_cutime = p->cutime; - p->old_stime = p->stime; - p->old_cstime = p->cstime; - p->old_minflt = p->minflt; - p->old_majflt = p->majflt; - p->old_cminflt = p->cminflt; - p->old_cmajflt = p->cmajflt; -#endif /* AGGREGATE_CHILDREN_TO_PARENTS */ - - if(o) { - // since the process switched target - // for all incremental values - // we have to subtract its OLD values from the new target - // and add its OLD values to the old target - - // IMPORTANT - // We add/subtract the last/OLD values we added to the target - - w->fix_cutime -= p->last_cutime; - w->fix_cstime -= p->last_cstime; - w->fix_cminflt -= p->last_cminflt; - w->fix_cmajflt -= p->last_cmajflt; - - w->fix_utime -= p->last_utime; - w->fix_stime -= p->last_stime; - w->fix_minflt -= p->last_minflt; - w->fix_majflt -= p->last_majflt; - - - w->fix_io_logical_bytes_read -= p->last_io_logical_bytes_read; - w->fix_io_logical_bytes_written -= p->last_io_logical_bytes_written; - w->fix_io_read_calls -= p->last_io_read_calls; - w->fix_io_write_calls -= p->last_io_write_calls; - w->fix_io_storage_bytes_read -= p->last_io_storage_bytes_read; - w->fix_io_storage_bytes_written -= p->last_io_storage_bytes_written; - w->fix_io_cancelled_write_bytes -= p->last_io_cancelled_write_bytes; - - // --- - - o->fix_cutime += p->last_cutime; - o->fix_cstime += p->last_cstime; - o->fix_cminflt += p->last_cminflt; - o->fix_cmajflt += p->last_cmajflt; - - o->fix_utime += p->last_utime; - o->fix_stime += p->last_stime; - o->fix_minflt += p->last_minflt; - o->fix_majflt += p->last_majflt; - - o->fix_io_logical_bytes_read += p->last_io_logical_bytes_read; - o->fix_io_logical_bytes_written += p->last_io_logical_bytes_written; - o->fix_io_read_calls += p->last_io_read_calls; - o->fix_io_write_calls += p->last_io_write_calls; - o->fix_io_storage_bytes_read += p->last_io_storage_bytes_read; - o->fix_io_storage_bytes_written += p->last_io_storage_bytes_written; - o->fix_io_cancelled_write_bytes += p->last_io_cancelled_write_bytes; - } - } - else { - // if(o) fprintf(stderr, "apps.plugin: \t\tpid %d (%s) is not updated by OLD target %s (%s) is present.\n", p->pid, p->comm, o->id, o->name); - - // since the process has exited, the user - // will see a drop in our charts, because the incremental - // values of this process will not be there - - // add them to the fix_* values and they will be added to - // the reported values, so that the report goes steady - w->fix_minflt += p->minflt; - w->fix_majflt += p->majflt; - w->fix_utime += p->utime; - w->fix_stime += p->stime; - w->fix_cminflt += p->cminflt; - w->fix_cmajflt += p->cmajflt; - w->fix_cutime += p->cutime; - w->fix_cstime += p->cstime; - - w->fix_io_logical_bytes_read += p->io_logical_bytes_read; - w->fix_io_logical_bytes_written += p->io_logical_bytes_written; - w->fix_io_read_calls += p->io_read_calls; - w->fix_io_write_calls += p->io_write_calls; - w->fix_io_storage_bytes_read += p->io_storage_bytes_read; - w->fix_io_storage_bytes_written += p->io_storage_bytes_written; - w->fix_io_cancelled_write_bytes += p->io_cancelled_write_bytes; - } - + (void)o; + + if(unlikely(!w->fds)) + w->fds = callocz(sizeof(int), (size_t) all_files_size); + + if(likely(p->updated)) { + w->cutime += p->cutime; + w->cstime += p->cstime; + w->cgtime += p->cgtime; + w->cminflt += p->cminflt; + w->cmajflt += p->cmajflt; + + w->utime += p->utime; + w->stime += p->stime; + w->gtime += p->gtime; + w->minflt += p->minflt; + w->majflt += p->majflt; + + w->rss += p->rss; + + w->statm_size += p->statm_size; + w->statm_resident += p->statm_resident; + w->statm_share += p->statm_share; + w->statm_text += p->statm_text; + w->statm_lib += p->statm_lib; + w->statm_data += p->statm_data; + w->statm_dirty += p->statm_dirty; + + w->io_logical_bytes_read += p->io_logical_bytes_read; + w->io_logical_bytes_written += p->io_logical_bytes_written; + w->io_read_calls += p->io_read_calls; + w->io_write_calls += p->io_write_calls; + w->io_storage_bytes_read += p->io_storage_bytes_read; + w->io_storage_bytes_written += p->io_storage_bytes_written; + w->io_cancelled_write_bytes += p->io_cancelled_write_bytes; + + w->processes++; + w->num_threads += p->num_threads; + + if(likely(w->fds)) { + int c; + for(c = 0; c < p->fds_size ;c++) { + if(p->fds[c] == 0) continue; + + if(likely(p->fds[c] < all_files_size)) { + if(w->fds) w->fds[p->fds[c]]++; + } + else + error("Invalid fd number %d", p->fds[c]); + } + } + + if(unlikely(debug || w->debug)) + fprintf(stderr, "apps.plugin: \taggregating '%s' pid %d on target '%s' utime=%llu, stime=%llu, gtime=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->comm, p->pid, w->name, p->utime, p->stime, p->gtime, p->cutime, p->cstime, p->cgtime, p->minflt, p->majflt, p->cminflt, p->cmajflt); + } } void count_targets_fds(struct target *root) { - int c; - struct target *w; - - for (w = root; w ; w = w->next) { - if(!w->fds) continue; - - w->openfiles = 0; - w->openpipes = 0; - w->opensockets = 0; - w->openinotifies = 0; - w->openeventfds = 0; - w->opentimerfds = 0; - w->opensignalfds = 0; - w->openeventpolls = 0; - w->openother = 0; - - for(c = 1; c < all_files_size ;c++) { - if(w->fds[c] > 0) - switch(all_files[c].type) { - case FILETYPE_FILE: - w->openfiles++; - break; - - case FILETYPE_PIPE: - w->openpipes++; - break; - - case FILETYPE_SOCKET: - w->opensockets++; - break; - - case FILETYPE_INOTIFY: - w->openinotifies++; - break; - - case FILETYPE_EVENTFD: - w->openeventfds++; - break; - - case FILETYPE_TIMERFD: - w->opentimerfds++; - break; - - case FILETYPE_SIGNALFD: - w->opensignalfds++; - break; - - case FILETYPE_EVENTPOLL: - w->openeventpolls++; - break; - - default: - w->openother++; - } - } - - free(w->fds); - w->fds = NULL; - } + int c; + struct target *w; + + for (w = root; w ; w = w->next) { + if(!w->fds) continue; + + w->openfiles = 0; + w->openpipes = 0; + w->opensockets = 0; + w->openinotifies = 0; + w->openeventfds = 0; + w->opentimerfds = 0; + w->opensignalfds = 0; + w->openeventpolls = 0; + w->openother = 0; + + for(c = 1; c < all_files_size ;c++) { + if(w->fds[c] > 0) + switch(all_files[c].type) { + case FILETYPE_FILE: + w->openfiles++; + break; + + case FILETYPE_PIPE: + w->openpipes++; + break; + + case FILETYPE_SOCKET: + w->opensockets++; + break; + + case FILETYPE_INOTIFY: + w->openinotifies++; + break; + + case FILETYPE_EVENTFD: + w->openeventfds++; + break; + + case FILETYPE_TIMERFD: + w->opentimerfds++; + break; + + case FILETYPE_SIGNALFD: + w->opensignalfds++; + break; + + case FILETYPE_EVENTPOLL: + w->openeventpolls++; + break; + + default: + w->openother++; + } + } + + freez(w->fds); + w->fds = NULL; + } } -void calculate_netdata_statistics(void) -{ - link_all_processes_to_their_parents(); - apply_apps_groups_targets_inheritance(); - -#ifdef AGGREGATE_CHILDREN_TO_PARENTS - aggregate_children_to_parents(); -#endif /* AGGREGATE_CHILDREN_TO_PARENTS */ - - zero_all_targets(users_root_target); - zero_all_targets(groups_root_target); - apps_groups_targets = zero_all_targets(apps_groups_root_target); - -#ifdef AGGREGATE_CHILDREN_TO_PARENTS - if(debug) - debug_childrens_aggregations(0, 1); -#endif /* AGGREGATE_CHILDREN_TO_PARENTS */ - - // this has to be done, before the cleanup - struct pid_stat *p = NULL; - struct target *w = NULL, *o = NULL; - - // concentrate everything on the apps_groups_targets - for(p = root_of_pids; p ; p = p->next) { - - // -------------------------------------------------------------------- - // apps_groups targets - if(likely(p->target)) - aggregate_pid_on_target(p->target, p, NULL); - else - error("pid %d %s was left without a target!", p->pid, p->comm); - - - // -------------------------------------------------------------------- - // user targets - o = p->user_target; - if(likely(p->user_target && p->user_target->uid == p->uid)) - w = p->user_target; - else { - if(unlikely(debug && p->user_target)) - fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %d (%s) to %d.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid); - - w = p->user_target = get_users_target(p->uid); - } - - if(likely(w)) - aggregate_pid_on_target(w, p, o); - else - error("pid %d %s was left without a user target!", p->pid, p->comm); - - - // -------------------------------------------------------------------- - // group targets - o = p->group_target; - if(likely(p->group_target && p->group_target->gid == p->gid)) - w = p->group_target; - else { - if(unlikely(debug && p->group_target)) - fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %d (%s) to %d.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid); - - w = p->group_target = get_groups_target(p->gid); - } - - if(likely(w)) - aggregate_pid_on_target(w, p, o); - else - error("pid %d %s was left without a group target!", p->pid, p->comm); - - } - - count_targets_fds(apps_groups_root_target); - count_targets_fds(users_root_target); - count_targets_fds(groups_root_target); - - cleanup_non_existing_pids(); -} +void calculate_netdata_statistics(void) { + apply_apps_groups_targets_inheritance(); -// ---------------------------------------------------------------------------- -// update chart dimensions + zero_all_targets(users_root_target); + zero_all_targets(groups_root_target); + apps_groups_targets = zero_all_targets(apps_groups_root_target); -unsigned long long send_resource_usage_to_netdata() { - static struct timeval last = { 0, 0 }; - static struct rusage me_last; - - struct timeval now; - struct rusage me; - - unsigned long long usec; - unsigned long long cpuuser; - unsigned long long cpusyst; - - if(!last.tv_sec) { - gettimeofday(&last, NULL); - getrusage(RUSAGE_SELF, &me_last); - - // the first time, give a zero to allow - // netdata calibrate to the current time - // usec = update_every * 1000000ULL; - usec = 0ULL; - cpuuser = 0; - cpusyst = 0; - } - else { - gettimeofday(&now, NULL); - getrusage(RUSAGE_SELF, &me); - - usec = usecdiff(&now, &last); - cpuuser = me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec; - cpusyst = me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec; - - bcopy(&now, &last, sizeof(struct timeval)); - bcopy(&me, &me_last, sizeof(struct rusage)); - } - - fprintf(stdout, "BEGIN netdata.apps_cpu %llu\n", usec); - fprintf(stdout, "SET user = %llu\n", cpuuser); - fprintf(stdout, "SET system = %llu\n", cpusyst); - fprintf(stdout, "END\n"); - - fprintf(stdout, "BEGIN netdata.apps_files %llu\n", usec); - fprintf(stdout, "SET files = %llu\n", file_counter); - fprintf(stdout, "SET pids = %ld\n", all_pids_count); - fprintf(stdout, "SET fds = %d\n", all_files_len); - fprintf(stdout, "SET targets = %ld\n", apps_groups_targets); - fprintf(stdout, "END\n"); - - return usec; -} - -void send_collected_data_to_netdata(struct target *root, const char *type, unsigned long long usec) -{ - struct target *w; - - fprintf(stdout, "BEGIN %s.cpu %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->stime + w->fix_utime + w->fix_stime); - } - fprintf(stdout, "END\n"); - - fprintf(stdout, "BEGIN %s.cpu_user %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->fix_utime); - } - fprintf(stdout, "END\n"); - - fprintf(stdout, "BEGIN %s.cpu_system %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "SET %s = %llu\n", w->name, w->stime + w->fix_stime); - } - fprintf(stdout, "END\n"); - - fprintf(stdout, "BEGIN %s.threads %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; + // this has to be done, before the cleanup + struct pid_stat *p = NULL; + struct target *w = NULL, *o = NULL; - fprintf(stdout, "SET %s = %llu\n", w->name, w->num_threads); - } - fprintf(stdout, "END\n"); + // concentrate everything on the apps_groups_targets + for(p = root_of_pids; p ; p = p->next) { - fprintf(stdout, "BEGIN %s.processes %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; + // -------------------------------------------------------------------- + // apps_groups targets + if(likely(p->target)) + aggregate_pid_on_target(p->target, p, NULL); + else + error("pid %d %s was left without a target!", p->pid, p->comm); - fprintf(stdout, "SET %s = %lu\n", w->name, w->processes); - } - fprintf(stdout, "END\n"); - fprintf(stdout, "BEGIN %s.mem %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; + // -------------------------------------------------------------------- + // user targets + o = p->user_target; + if(likely(p->user_target && p->user_target->uid == p->uid)) + w = p->user_target; + else { + if(unlikely(debug && p->user_target)) + fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %u (%s) to %u.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid); - fprintf(stdout, "SET %s = %lld\n", w->name, (long long)w->statm_resident - (long long)w->statm_share); - } - fprintf(stdout, "END\n"); + w = p->user_target = get_users_target(p->uid); + } - fprintf(stdout, "BEGIN %s.minor_faults %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; + if(likely(w)) + aggregate_pid_on_target(w, p, o); + else + error("pid %d %s was left without a user target!", p->pid, p->comm); - fprintf(stdout, "SET %s = %llu\n", w->name, w->minflt + w->fix_minflt); - } - fprintf(stdout, "END\n"); - fprintf(stdout, "BEGIN %s.major_faults %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; + // -------------------------------------------------------------------- + // group targets + o = p->group_target; + if(likely(p->group_target && p->group_target->gid == p->gid)) + w = p->group_target; + else { + if(unlikely(debug && p->group_target)) + fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %u (%s) to %u.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid); - fprintf(stdout, "SET %s = %llu\n", w->name, w->majflt + w->fix_majflt); - } - fprintf(stdout, "END\n"); + w = p->group_target = get_groups_target(p->gid); + } - fprintf(stdout, "BEGIN %s.lreads %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; + if(likely(w)) + aggregate_pid_on_target(w, p, o); + else + error("pid %d %s was left without a group target!", p->pid, p->comm); - fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read + w->fix_io_logical_bytes_read); - } - fprintf(stdout, "END\n"); + } - fprintf(stdout, "BEGIN %s.lwrites %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; + count_targets_fds(apps_groups_root_target); + count_targets_fds(users_root_target); + count_targets_fds(groups_root_target); - fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_written + w->fix_io_logical_bytes_written); - } - fprintf(stdout, "END\n"); - - fprintf(stdout, "BEGIN %s.preads %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_read + w->fix_io_storage_bytes_read); - } - fprintf(stdout, "END\n"); - - fprintf(stdout, "BEGIN %s.pwrites %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; + cleanup_exited_pids(); +} - fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_written + w->fix_io_storage_bytes_written); - } - fprintf(stdout, "END\n"); +// ---------------------------------------------------------------------------- +// update chart dimensions - fprintf(stdout, "BEGIN %s.files %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; +BUFFER *output = NULL; +int print_calculated_number(char *str, calculated_number value) { (void)str; (void)value; return 0; } + +static inline void send_BEGIN(const char *type, const char *id, unsigned long long usec) { + // fprintf(stdout, "BEGIN %s.%s %llu\n", type, id, usec); + buffer_strcat(output, "BEGIN "); + buffer_strcat(output, type); + buffer_strcat(output, "."); + buffer_strcat(output, id); + buffer_strcat(output, " "); + buffer_print_llu(output, usec); + buffer_strcat(output, "\n"); +} - fprintf(stdout, "SET %s = %llu\n", w->name, w->openfiles); - } - fprintf(stdout, "END\n"); +static inline void send_SET(const char *name, unsigned long long value) { + // fprintf(stdout, "SET %s = %llu\n", name, value); + buffer_strcat(output, "SET "); + buffer_strcat(output, name); + buffer_strcat(output, " = "); + buffer_print_llu(output, value); + buffer_strcat(output, "\n"); +} - fprintf(stdout, "BEGIN %s.sockets %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; +static inline void send_END(void) { + // fprintf(stdout, "END\n"); + buffer_strcat(output, "END\n"); +} - fprintf(stdout, "SET %s = %llu\n", w->name, w->opensockets); - } - fprintf(stdout, "END\n"); +double utime_fix_ratio = 1.0, stime_fix_ratio = 1.0, gtime_fix_ratio = 1.0, cutime_fix_ratio = 1.0, cstime_fix_ratio = 1.0, cgtime_fix_ratio = 1.0; +double minflt_fix_ratio = 1.0, majflt_fix_ratio = 1.0, cminflt_fix_ratio = 1.0, cmajflt_fix_ratio = 1.0; - fprintf(stdout, "BEGIN %s.pipes %llu\n", type, usec); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; +unsigned long long send_resource_usage_to_netdata() { + static struct timeval last = { 0, 0 }; + static struct rusage me_last; + + struct timeval now; + struct rusage me; + + unsigned long long usec; + unsigned long long cpuuser; + unsigned long long cpusyst; + + if(!last.tv_sec) { + gettimeofday(&last, NULL); + getrusage(RUSAGE_SELF, &me_last); + + // the first time, give a zero to allow + // netdata calibrate to the current time + // usec = update_every * 1000000ULL; + usec = 0ULL; + cpuuser = 0; + cpusyst = 0; + } + else { + gettimeofday(&now, NULL); + getrusage(RUSAGE_SELF, &me); + + usec = usec_dt(&now, &last); + cpuuser = me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec; + cpusyst = me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec; + + bcopy(&now, &last, sizeof(struct timeval)); + bcopy(&me, &me_last, sizeof(struct rusage)); + } + + buffer_sprintf(output, + "BEGIN netdata.apps_cpu %llu\n" + "SET user = %llu\n" + "SET system = %llu\n" + "END\n" + "BEGIN netdata.apps_files %llu\n" + "SET files = %llu\n" + "SET pids = %ld\n" + "SET fds = %d\n" + "SET targets = %ld\n" + "END\n" + "BEGIN netdata.apps_fix %llu\n" + "SET utime = %llu\n" + "SET stime = %llu\n" + "SET gtime = %llu\n" + "SET minflt = %llu\n" + "SET majflt = %llu\n" + "END\n" + , usec + , cpuuser + , cpusyst + , usec + , file_counter + , all_pids_count + , all_files_len + , apps_groups_targets + , usec + , (unsigned long long)(utime_fix_ratio * 100 * RATES_DETAIL) + , (unsigned long long)(stime_fix_ratio * 100 * RATES_DETAIL) + , (unsigned long long)(gtime_fix_ratio * 100 * RATES_DETAIL) + , (unsigned long long)(minflt_fix_ratio * 100 * RATES_DETAIL) + , (unsigned long long)(majflt_fix_ratio * 100 * RATES_DETAIL) + ); + + if(include_exited_childs) + buffer_sprintf(output, + "BEGIN netdata.apps_children_fix %llu\n" + "SET cutime = %llu\n" + "SET cstime = %llu\n" + "SET cgtime = %llu\n" + "SET cminflt = %llu\n" + "SET cmajflt = %llu\n" + "END\n" + , usec + , (unsigned long long)(cutime_fix_ratio * 100 * RATES_DETAIL) + , (unsigned long long)(cstime_fix_ratio * 100 * RATES_DETAIL) + , (unsigned long long)(cgtime_fix_ratio * 100 * RATES_DETAIL) + , (unsigned long long)(cminflt_fix_ratio * 100 * RATES_DETAIL) + , (unsigned long long)(cmajflt_fix_ratio * 100 * RATES_DETAIL) + ); + + return usec; +} - fprintf(stdout, "SET %s = %llu\n", w->name, w->openpipes); - } - fprintf(stdout, "END\n"); +void normalize_data(struct target *root) { + struct target *w; + + // childs processing introduces spikes + // here we try to eliminate them by disabling childs processing either for specific dimensions + // or entirely. Of course, either way, we disable it just a single iteration. + + unsigned long long max = processors * hz * RATES_DETAIL; + unsigned long long utime = 0, cutime = 0, stime = 0, cstime = 0, gtime = 0, cgtime = 0, minflt = 0, cminflt = 0, majflt = 0, cmajflt = 0; + + if(global_utime > max) global_utime = max; + if(global_stime > max) global_stime = max; + if(global_gtime > max) global_gtime = max; + + for(w = root; w ; w = w->next) { + if(w->target || (!w->processes && !w->exposed)) continue; + + utime += w->utime; + stime += w->stime; + gtime += w->gtime; + cutime += w->cutime; + cstime += w->cstime; + cgtime += w->cgtime; + + minflt += w->minflt; + majflt += w->majflt; + cminflt += w->cminflt; + cmajflt += w->cmajflt; + } + + if((global_utime || global_stime || global_gtime) && (utime || stime || gtime)) { + if(global_utime + global_stime + global_gtime > utime + cutime + stime + cstime + gtime + cgtime) { + // everything we collected fits + utime_fix_ratio = + stime_fix_ratio = + gtime_fix_ratio = + cutime_fix_ratio = + cstime_fix_ratio = + cgtime_fix_ratio = 1.0; //(double)(global_utime + global_stime) / (double)(utime + cutime + stime + cstime); + } + else if(global_utime + global_stime > utime + stime) { + // childrens resources are too high + // lower only the children resources + utime_fix_ratio = + stime_fix_ratio = + gtime_fix_ratio = 1.0; + cutime_fix_ratio = + cstime_fix_ratio = + cgtime_fix_ratio = (double)((global_utime + global_stime) - (utime + stime)) / (double)(cutime + cstime); + } + else { + // even running processes are unrealistic + // zero the children resources + // lower the running processes resources + utime_fix_ratio = + stime_fix_ratio = + gtime_fix_ratio = (double)(global_utime + global_stime) / (double)(utime + stime); + cutime_fix_ratio = + cstime_fix_ratio = + cgtime_fix_ratio = 0.0; + } + } + else { + utime_fix_ratio = + stime_fix_ratio = + gtime_fix_ratio = + cutime_fix_ratio = + cstime_fix_ratio = + cgtime_fix_ratio = 0.0; + } + + if(utime_fix_ratio > 1.0) utime_fix_ratio = 1.0; + if(cutime_fix_ratio > 1.0) cutime_fix_ratio = 1.0; + if(stime_fix_ratio > 1.0) stime_fix_ratio = 1.0; + if(cstime_fix_ratio > 1.0) cstime_fix_ratio = 1.0; + if(gtime_fix_ratio > 1.0) gtime_fix_ratio = 1.0; + if(cgtime_fix_ratio > 1.0) cgtime_fix_ratio = 1.0; + + // if(utime_fix_ratio < 0.0) utime_fix_ratio = 0.0; + // if(cutime_fix_ratio < 0.0) cutime_fix_ratio = 0.0; + // if(stime_fix_ratio < 0.0) stime_fix_ratio = 0.0; + // if(cstime_fix_ratio < 0.0) cstime_fix_ratio = 0.0; + // if(gtime_fix_ratio < 0.0) gtime_fix_ratio = 0.0; + // if(cgtime_fix_ratio < 0.0) cgtime_fix_ratio = 0.0; + + // FIXME + // we use cpu time to normalize page faults + // the problem is that to find the proper max values + // for page faults we have to parse /proc/vmstat + // which is quite big to do it again (netdata does it already) + // + // a better solution could be to somehow have netdata + // do this normalization for us + + if(utime || stime || gtime) + majflt_fix_ratio = + minflt_fix_ratio = (double)(utime * utime_fix_ratio + stime * stime_fix_ratio + gtime * gtime_fix_ratio) / (double)(utime + stime + gtime); + else + minflt_fix_ratio = + majflt_fix_ratio = 1.0; + + if(cutime || cstime || cgtime) + cmajflt_fix_ratio = + cminflt_fix_ratio = (double)(cutime * cutime_fix_ratio + cstime * cstime_fix_ratio + cgtime * cgtime_fix_ratio) / (double)(cutime + cstime + cgtime); + else + cminflt_fix_ratio = + cmajflt_fix_ratio = 1.0; + + // the report + + if(unlikely(debug)) { + fprintf(stderr, + "SYSTEM: u=%llu s=%llu g=%llu " + "COLLECTED: u=%llu s=%llu g=%llu cu=%llu cs=%llu cg=%llu " + "DELTA: u=%lld s=%lld g=%lld " + "FIX: u=%0.2f s=%0.2f g=%0.2f cu=%0.2f cs=%0.2f cg=%0.2f " + "FINALLY: u=%llu s=%llu g=%llu cu=%llu cs=%llu cg=%llu " + "\n" + , global_utime + , global_stime + , global_gtime + , utime + , stime + , gtime + , cutime + , cstime + , cgtime + , (long long)utime + (long long)cutime - (long long)global_utime + , (long long)stime + (long long)cstime - (long long)global_stime + , (long long)gtime + (long long)cgtime - (long long)global_gtime + , utime_fix_ratio + , stime_fix_ratio + , gtime_fix_ratio + , cutime_fix_ratio + , cstime_fix_ratio + , cgtime_fix_ratio + , (unsigned long long)(utime * utime_fix_ratio) + , (unsigned long long)(stime * stime_fix_ratio) + , (unsigned long long)(gtime * gtime_fix_ratio) + , (unsigned long long)(cutime * cutime_fix_ratio) + , (unsigned long long)(cstime * cstime_fix_ratio) + , (unsigned long long)(cgtime * cgtime_fix_ratio) + ); + } +} - fflush(stdout); +void send_collected_data_to_netdata(struct target *root, const char *type, unsigned long long usec) { + struct target *w; + + send_BEGIN(type, "cpu", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, (unsigned long long)(w->utime * utime_fix_ratio) + (unsigned long long)(w->stime * stime_fix_ratio) + (unsigned long long)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cutime * cutime_fix_ratio) + (unsigned long long)(w->cstime * cstime_fix_ratio) + (unsigned long long)(w->cgtime * cgtime_fix_ratio)):0ULL)); + } + send_END(); + + send_BEGIN(type, "cpu_user", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, (unsigned long long)(w->utime * utime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cutime * cutime_fix_ratio)):0ULL)); + } + send_END(); + + send_BEGIN(type, "cpu_system", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, (unsigned long long)(w->stime * stime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cstime * cstime_fix_ratio)):0ULL)); + } + send_END(); + + if(show_guest_time) { + send_BEGIN(type, "cpu_guest", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, (unsigned long long)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cgtime * cgtime_fix_ratio)):0ULL)); + } + send_END(); + } + + send_BEGIN(type, "threads", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, w->num_threads); + } + send_END(); + + send_BEGIN(type, "processes", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, w->processes); + } + send_END(); + + send_BEGIN(type, "mem", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, (w->statm_resident > w->statm_share)?(w->statm_resident - w->statm_share):0ULL); + } + send_END(); + + send_BEGIN(type, "minor_faults", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, (unsigned long long)(w->minflt * minflt_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cminflt * cminflt_fix_ratio)):0ULL)); + } + send_END(); + + send_BEGIN(type, "major_faults", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, (unsigned long long)(w->majflt * majflt_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cmajflt * cmajflt_fix_ratio)):0ULL)); + } + send_END(); + + send_BEGIN(type, "lreads", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, w->io_logical_bytes_read); + } + send_END(); + + send_BEGIN(type, "lwrites", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, w->io_logical_bytes_written); + } + send_END(); + + send_BEGIN(type, "preads", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, w->io_storage_bytes_read); + } + send_END(); + + send_BEGIN(type, "pwrites", usec); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + send_SET(w->name, w->io_storage_bytes_written); + } + send_END(); + + if(enable_file_charts) { + send_BEGIN(type, "files", usec); + for (w = root; w; w = w->next) { + if (unlikely(w->exposed)) + send_SET(w->name, w->openfiles); + } + send_END(); + + send_BEGIN(type, "sockets", usec); + for (w = root; w; w = w->next) { + if (unlikely(w->exposed)) + send_SET(w->name, w->opensockets); + } + send_END(); + + send_BEGIN(type, "pipes", usec); + for (w = root; w; w = w->next) { + if (unlikely(w->exposed)) + send_SET(w->name, w->openpipes); + } + send_END(); + } } @@ -2217,125 +2560,126 @@ void send_collected_data_to_netdata(struct target *root, const char *type, unsig void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title) { - struct target *w; - int newly_added = 0; - - for(w = root ; w ; w = w->next) - if(!w->exposed && w->processes) { - newly_added++; - w->exposed = 1; - if(debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name); - } - - // nothing more to show - if(!newly_added) return; - - // we have something new to show - // update the charts - fprintf(stdout, "CHART %s.cpu '' '%s CPU Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu stacked 20001 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 100 %u %s\n", w->name, hz, w->hidden ? "hidden,noreset" : "noreset"); - } - - fprintf(stdout, "CHART %s.mem '' '%s Dedicated Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' absolute %ld %ld noreset\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L); - } - - fprintf(stdout, "CHART %s.threads '' '%s Threads' 'threads' processes %s.threads stacked 20005 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name); - } - - fprintf(stdout, "CHART %s.processes '' '%s Processes' 'processes' processes %s.processes stacked 20004 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name); - } - - fprintf(stdout, "CHART %s.cpu_user '' '%s CPU User Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu_user stacked 20020 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 100 %ld noreset\n", w->name, hz * processors); - } - - fprintf(stdout, "CHART %s.cpu_system '' '%s CPU System Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20021 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 100 %ld noreset\n", w->name, hz * processors); - } - - fprintf(stdout, "CHART %s.major_faults '' '%s Major Page Faults (swap read)' 'page faults/s' swap %s.major_faults stacked 20010 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name); - } - - fprintf(stdout, "CHART %s.minor_faults '' '%s Minor Page Faults' 'page faults/s' mem %s.minor_faults stacked 20011 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name); - } - - fprintf(stdout, "CHART %s.lreads '' '%s Disk Logical Reads' 'kilobytes/s' disk %s.lreads stacked 20042 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024); - } - - fprintf(stdout, "CHART %s.lwrites '' '%s I/O Logical Writes' 'kilobytes/s' disk %s.lwrites stacked 20042 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024); - } - - fprintf(stdout, "CHART %s.preads '' '%s Disk Reads' 'kilobytes/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024); - } - - fprintf(stdout, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024); - } - - fprintf(stdout, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name); - } - - fprintf(stdout, "CHART %s.sockets '' '%s Open Sockets' 'open sockets' net %s.sockets stacked 20051 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name); - } - - fprintf(stdout, "CHART %s.pipes '' '%s Pipes' 'open pipes' processes %s.pipes stacked 20053 %d\n", type, title, type, update_every); - for (w = root; w ; w = w->next) { - if(w->target || (!w->processes && !w->exposed)) continue; - - fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name); - } + struct target *w; + int newly_added = 0; + + for(w = root ; w ; w = w->next) { + if (w->target) continue; + + if (!w->exposed && w->processes) { + newly_added++; + w->exposed = 1; + if (debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name); + } + } + + // nothing more to show + if(!newly_added && show_guest_time == show_guest_time_old) return; + + // we have something new to show + // update the charts + buffer_sprintf(output, "CHART %s.cpu '' '%s CPU Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu stacked 20001 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu %s\n", w->name, hz * RATES_DETAIL / 100, w->hidden ? "hidden" : ""); + } + + buffer_sprintf(output, "CHART %s.mem '' '%s Dedicated Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L); + } + + buffer_sprintf(output, "CHART %s.threads '' '%s Threads' 'threads' processes %s.threads stacked 20005 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name); + } + + buffer_sprintf(output, "CHART %s.processes '' '%s Processes' 'processes' processes %s.processes stacked 20004 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name); + } + + buffer_sprintf(output, "CHART %s.cpu_user '' '%s CPU User Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_user stacked 20020 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU); + } + + buffer_sprintf(output, "CHART %s.cpu_system '' '%s CPU System Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20021 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU); + } + + if(show_guest_time) { + buffer_sprintf(output, "CHART %s.cpu_guest '' '%s CPU Guest Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20022 %d\n", type, title, (processors * 100), processors, (processors > 1) ? "s" : "", type, update_every); + for (w = root; w; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU); + } + } + + buffer_sprintf(output, "CHART %s.major_faults '' '%s Major Page Faults (swap read)' 'page faults/s' swap %s.major_faults stacked 20010 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL); + } + + buffer_sprintf(output, "CHART %s.minor_faults '' '%s Minor Page Faults' 'page faults/s' mem %s.minor_faults stacked 20011 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL); + } + + buffer_sprintf(output, "CHART %s.lreads '' '%s Disk Logical Reads' 'kilobytes/s' disk %s.lreads stacked 20042 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL); + } + + buffer_sprintf(output, "CHART %s.lwrites '' '%s I/O Logical Writes' 'kilobytes/s' disk %s.lwrites stacked 20042 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL); + } + + buffer_sprintf(output, "CHART %s.preads '' '%s Disk Reads' 'kilobytes/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL); + } + + buffer_sprintf(output, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every); + for (w = root; w ; w = w->next) { + if(unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL); + } + + if(enable_file_charts) { + buffer_sprintf(output, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type, + title, type, update_every); + for (w = root; w; w = w->next) { + if (unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name); + } + + buffer_sprintf(output, "CHART %s.sockets '' '%s Open Sockets' 'open sockets' net %s.sockets stacked 20051 %d\n", + type, title, type, update_every); + for (w = root; w; w = w->next) { + if (unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name); + } + + buffer_sprintf(output, "CHART %s.pipes '' '%s Pipes' 'open pipes' processes %s.pipes stacked 20053 %d\n", type, + title, type, update_every); + for (w = root; w; w = w->next) { + if (unlikely(w->exposed)) + buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name); + } + } } @@ -2344,152 +2688,245 @@ void send_charts_updates_to_netdata(struct target *root, const char *type, const void parse_args(int argc, char **argv) { - int i, freq = 0; - char *name = NULL; - - for(i = 1; i < argc; i++) { - if(!freq) { - int n = atoi(argv[i]); - if(n > 0) { - freq = n; - continue; - } - } - - if(strcmp("debug", argv[i]) == 0) { - debug = 1; - debug_flags = 0xffffffff; - continue; - } - - if(!name) { - name = argv[i]; - continue; - } - - error("Cannot understand option %s", argv[i]); - exit(1); - } - - if(freq > 0) update_every = freq; - if(!name) name = "groups"; - - if(read_apps_groups_conf(name)) { - error("Cannot read process groups %s", name); - exit(1); - } + int i, freq = 0; + char *name = NULL; + + for(i = 1; i < argc; i++) { + if(!freq) { + int n = atoi(argv[i]); + if(n > 0) { + freq = n; + continue; + } + } + + if(strcmp("debug", argv[i]) == 0) { + debug = 1; + // debug_flags = 0xffffffff; + continue; + } + + if(strcmp("no-childs", argv[i]) == 0 || strcmp("without-childs", argv[i]) == 0) { + include_exited_childs = 0; + continue; + } + + if(strcmp("with-childs", argv[i]) == 0) { + include_exited_childs = 1; + continue; + } + + if(strcmp("with-guest", argv[i]) == 0) { + enable_guest_charts = 1; + continue; + } + + if(strcmp("no-guest", argv[i]) == 0 || strcmp("without-guest", argv[i]) == 0) { + enable_guest_charts = 0; + continue; + } + + if(strcmp("with-files", argv[i]) == 0) { + enable_file_charts = 1; + continue; + } + + if(strcmp("no-files", argv[i]) == 0 || strcmp("without-files", argv[i]) == 0) { + enable_file_charts = 0; + continue; + } + + if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) { + fprintf(stderr, + "apps.plugin\n" + "(C) 2016 Costa Tsaousis" + "GPL v3+\n" + "This program is a data collector plugin for netdata.\n" + "\n" + "Valid command line options:\n" + "\n" + "SECONDS set the data collection frequency\n" + "\n" + "debug enable debugging (lot of output)\n" + "\n" + "with-childs\n" + "without-childs enable / disable aggregating exited\n" + " children resources into parents\n" + " (default is enabled)\n" + "\n" + "with-guest\n" + "without-guest enable / disable reporting guest charts\n" + " (default is disabled)\n" + "\n" + "with-files\n" + "without-files enable / disable reporting files, sockets, pipes\n" + " (default is enabled)\n" + "\n" + "NAME read apps_NAME.conf instead of\n" + " apps_groups.conf\n" + " (default NAME=groups)\n" + ); + exit(1); + } + + if(!name) { + name = argv[i]; + continue; + } + + error("Cannot understand option %s", argv[i]); + exit(1); + } + + if(freq > 0) update_every = freq; + if(!name) name = "groups"; + + if(read_apps_groups_conf(name)) { + error("Cannot read process groups %s", name); + exit(1); + } } int main(int argc, char **argv) { - // debug_flags = D_PROCFILE; + // debug_flags = D_PROCFILE; + + // set the name for logging + program_name = "apps.plugin"; - // set the name for logging - program_name = "apps.plugin"; + info("started on pid %d", getpid()); - // disable syslog for apps.plugin - error_log_syslog = 0; + // disable syslog for apps.plugin + error_log_syslog = 0; - // set errors flood protection to 100 logs per hour - error_log_errors_per_period = 100; - error_log_throttle_period = 3600; + // set errors flood protection to 100 logs per hour + error_log_errors_per_period = 100; + error_log_throttle_period = 3600; - host_prefix = getenv("NETDATA_HOST_PREFIX"); - if(host_prefix == NULL) { - info("NETDATA_HOST_PREFIX is not passed from netdata"); - host_prefix = ""; - } - else info("Found NETDATA_HOST_PREFIX='%s'", host_prefix); + host_prefix = getenv("NETDATA_HOST_PREFIX"); + if(host_prefix == NULL) { + // info("NETDATA_HOST_PREFIX is not passed from netdata"); + host_prefix = ""; + } + // else info("Found NETDATA_HOST_PREFIX='%s'", host_prefix); - config_dir = getenv("NETDATA_CONFIG_DIR"); - if(config_dir == NULL) { - info("NETDATA_CONFIG_DIR is not passed from netdata"); - config_dir = CONFIG_DIR; - } - else info("Found NETDATA_CONFIG_DIR='%s'", config_dir); + config_dir = getenv("NETDATA_CONFIG_DIR"); + if(config_dir == NULL) { + // info("NETDATA_CONFIG_DIR is not passed from netdata"); + config_dir = CONFIG_DIR; + } + // else info("Found NETDATA_CONFIG_DIR='%s'", config_dir); #ifdef NETDATA_INTERNAL_CHECKS - if(debug_flags != 0) { - struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY }; - if(setrlimit(RLIMIT_CORE, &rl) != 0) - info("Cannot request unlimited core dumps for debugging... Proceeding anyway..."); - prctl(PR_SET_DUMPABLE, 1, 0, 0, 0); - } + if(debug_flags != 0) { + struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY }; + if(setrlimit(RLIMIT_CORE, &rl) != 0) + info("Cannot request unlimited core dumps for debugging... Proceeding anyway..."); + prctl(PR_SET_DUMPABLE, 1, 0, 0, 0); + } #endif /* NETDATA_INTERNAL_CHECKS */ - info("starting..."); - - procfile_adaptive_initial_allocation = 1; - - time_t started_t = time(NULL); - time_t current_t; - get_HZ(); - pid_max = get_system_pid_max(); - processors = get_system_cpus(); - - parse_args(argc, argv); - - all_pids = calloc(sizeof(struct pid_stat *), (size_t) pid_max); - if(!all_pids) { - error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max); - printf("DISABLE\n"); - exit(1); - } - - fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %1$d\n" - "DIMENSION user '' incremental 1 1000\n" - "DIMENSION system '' incremental 1 1000\n" - "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %1$d\n" - "DIMENSION files '' incremental 1 1\n" - "DIMENSION pids '' absolute 1 1\n" - "DIMENSION fds '' absolute 1 1\n" - "DIMENSION targets '' absolute 1 1\n", update_every); + procfile_adaptive_initial_allocation = 1; + + time_t started_t = time(NULL); + time_t current_t; + get_HZ(); + pid_max = get_system_pid_max(); + processors = get_system_cpus(); + + parse_args(argc, argv); + + all_pids_sortlist = callocz(sizeof(pid_t), (size_t)pid_max); + all_pids = callocz(sizeof(struct pid_stat *), (size_t) pid_max); + + output = buffer_create(1024); + buffer_sprintf(output, + "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %1$d\n" + "DIMENSION user '' incremental 1 1000\n" + "DIMENSION system '' incremental 1 1000\n" + "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %1$d\n" + "DIMENSION files '' incremental 1 1\n" + "DIMENSION pids '' absolute 1 1\n" + "DIMENSION fds '' absolute 1 1\n" + "DIMENSION targets '' absolute 1 1\n" + "CHART netdata.apps_fix '' 'Apps Plugin Normalization Ratios' 'percentage' apps.plugin netdata.apps_fix line 140002 %1$d\n" + "DIMENSION utime '' absolute 1 %2$llu\n" + "DIMENSION stime '' absolute 1 %2$llu\n" + "DIMENSION gtime '' absolute 1 %2$llu\n" + "DIMENSION minflt '' absolute 1 %2$llu\n" + "DIMENSION majflt '' absolute 1 %2$llu\n" + , update_every + , RATES_DETAIL + ); + + if(include_exited_childs) + buffer_sprintf(output, + "CHART netdata.apps_children_fix '' 'Apps Plugin Exited Children Normalization Ratios' 'percentage' apps.plugin netdata.apps_children_fix line 140003 %1$d\n" + "DIMENSION cutime '' absolute 1 %2$llu\n" + "DIMENSION cstime '' absolute 1 %2$llu\n" + "DIMENSION cgtime '' absolute 1 %2$llu\n" + "DIMENSION cminflt '' absolute 1 %2$llu\n" + "DIMENSION cmajflt '' absolute 1 %2$llu\n" + , update_every + , RATES_DETAIL + ); #ifndef PROFILING_MODE - unsigned long long sunext = (time(NULL) - (time(NULL) % update_every) + update_every) * 1000000ULL; - unsigned long long sunow; + unsigned long long sunext = (time(NULL) - (time(NULL) % update_every) + update_every) * 1000000ULL; + unsigned long long sunow; #endif /* PROFILING_MODE */ - unsigned long long counter = 1; - for(;1; counter++) { + global_iterations_counter = 1; + for(;1; global_iterations_counter++) { #ifndef PROFILING_MODE - // delay until it is our time to run - while((sunow = timems()) < sunext) - usleep((useconds_t)(sunext - sunow)); + // delay until it is our time to run + while((sunow = time_usec()) < sunext) + sleep_usec(sunext - sunow); - // find the next time we need to run - while(timems() > sunext) - sunext += update_every * 1000000ULL; + // find the next time we need to run + while(time_usec() > sunext) + sunext += update_every * 1000000ULL; #endif /* PROFILING_MODE */ - if(!collect_data_for_all_processes_from_proc()) { - error("Cannot collect /proc data for running processes. Disabling apps.plugin..."); - printf("DISABLE\n"); - exit(1); - } + if(!collect_data_for_all_processes_from_proc()) { + error("Cannot collect /proc data for running processes. Disabling apps.plugin..."); + printf("DISABLE\n"); + exit(1); + } + + calculate_netdata_statistics(); + normalize_data(apps_groups_root_target); + + unsigned long long dt = send_resource_usage_to_netdata(); + + // this is smart enough to show only newly added apps, when needed + send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps"); + send_charts_updates_to_netdata(users_root_target, "users", "Users"); + send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups"); - calculate_netdata_statistics(); + send_collected_data_to_netdata(apps_groups_root_target, "apps", dt); + send_collected_data_to_netdata(users_root_target, "users", dt); + send_collected_data_to_netdata(groups_root_target, "groups", dt); - unsigned long long dt = send_resource_usage_to_netdata(); + show_guest_time_old = show_guest_time; - // this is smart enough to show only newly added apps, when needed - send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps"); - send_charts_updates_to_netdata(users_root_target, "users", "Users"); - send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups"); + //if(puts(buffer_tostring(output)) == EOF) + if(write(STDOUT_FILENO, buffer_tostring(output), buffer_strlen(output)) == -1) + fatal("Cannot send chart values to netdata."); - send_collected_data_to_netdata(apps_groups_root_target, "apps", dt); - send_collected_data_to_netdata(users_root_target, "users", dt); - send_collected_data_to_netdata(groups_root_target, "groups", dt); + // fflush(stdout); + buffer_flush(output); - if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter); + if(unlikely(debug)) + fprintf(stderr, "apps.plugin: done Loop No %llu\n", global_iterations_counter); - current_t = time(NULL); + current_t = time(NULL); #ifndef PROFILING_MODE - // restart check (14400 seconds) - if(current_t - started_t > 14400) exit(0); + // restart check (14400 seconds) + if(current_t - started_t > 14400) exit(0); #else - if(current_t - started_t > 10) exit(0); + if(current_t - started_t > 10) exit(0); #endif /* PROFILING_MODE */ - } + } } |