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-rw-r--r--src/apps_plugin.c151
1 files changed, 62 insertions, 89 deletions
diff --git a/src/apps_plugin.c b/src/apps_plugin.c
index e8a6f43ae..0bcdfcf50 100644
--- a/src/apps_plugin.c
+++ b/src/apps_plugin.c
@@ -39,12 +39,14 @@
#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
-unsigned long long Hertz = 1;
-
long processors = 1;
long pid_max = 32768;
int debug = 0;
@@ -221,7 +223,7 @@ long get_system_cpus(void) {
int processors = 0;
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
if(!ff) return 1;
@@ -250,7 +252,7 @@ long get_system_pid_max(void) {
long mpid = 32768;
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix);
ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
if(!ff) return mpid;
@@ -267,28 +269,6 @@ long get_system_pid_max(void) {
return mpid;
}
-unsigned long long get_system_hertz(void)
-{
- unsigned long long myhz = 1;
-
-#ifdef _SC_CLK_TCK
- if((myhz = (unsigned long long int) sysconf(_SC_CLK_TCK)) > 0) {
- return myhz;
- }
-#endif
-
-#ifdef HZ
- myhz = HZ; /* <asm/param.h> */
-#else /* HZ */
- /* If 32-bit or big-endian (not Alpha or ia64), assume HZ is 100. */
- hz = (sizeof(long)==sizeof(int) || htons(999)==999) ? 100UL : 1024UL;
-#endif /* HZ */
-
- error("Unknown HZ value. Assuming %llu.", myhz);
- return myhz;
-}
-
-
// ----------------------------------------------------------------------------
// target
// target is the structure that process data are aggregated
@@ -397,20 +377,20 @@ struct target *get_users_target(uid_t uid)
return NULL;
}
- snprintf(w->compare, MAX_COMPARE_NAME, "%d", uid);
+ snprintfz(w->compare, MAX_COMPARE_NAME, "%d", uid);
w->comparehash = simple_hash(w->compare);
w->comparelen = strlen(w->compare);
- snprintf(w->id, MAX_NAME, "%d", uid);
+ snprintfz(w->id, MAX_NAME, "%d", uid);
w->idhash = simple_hash(w->id);
struct passwd *pw = getpwuid(uid);
if(!pw)
- snprintf(w->name, MAX_NAME, "%d", uid);
+ snprintfz(w->name, MAX_NAME, "%d", uid);
else
- snprintf(w->name, MAX_NAME, "%s", pw->pw_name);
+ snprintfz(w->name, MAX_NAME, "%s", pw->pw_name);
- netdata_fix_id(w->name);
+ netdata_fix_chart_name(w->name);
w->uid = uid;
@@ -435,20 +415,20 @@ struct target *get_groups_target(gid_t gid)
return NULL;
}
- snprintf(w->compare, MAX_COMPARE_NAME, "%d", gid);
+ snprintfz(w->compare, MAX_COMPARE_NAME, "%d", gid);
w->comparehash = simple_hash(w->compare);
w->comparelen = strlen(w->compare);
- snprintf(w->id, MAX_NAME, "%d", gid);
+ snprintfz(w->id, MAX_NAME, "%d", gid);
w->idhash = simple_hash(w->id);
struct group *gr = getgrgid(gid);
if(!gr)
- snprintf(w->name, MAX_NAME, "%d", gid);
+ snprintfz(w->name, MAX_NAME, "%d", gid);
else
- snprintf(w->name, MAX_NAME, "%s", gr->gr_name);
+ snprintfz(w->name, MAX_NAME, "%s", gr->gr_name);
- netdata_fix_id(w->name);
+ netdata_fix_chart_name(w->name);
w->gid = gid;
@@ -488,12 +468,12 @@ struct target *get_apps_groups_target(const char *id, struct target *target)
return NULL;
}
- strncpy(w->id, nid, MAX_NAME);
+ strncpyz(w->id, nid, MAX_NAME);
w->idhash = simple_hash(w->id);
- strncpy(w->name, nid, MAX_NAME);
+ strncpyz(w->name, nid, MAX_NAME);
- strncpy(w->compare, nid, MAX_COMPARE_NAME);
+ strncpyz(w->compare, nid, MAX_COMPARE_NAME);
int len = strlen(w->compare);
if(w->compare[len - 1] == '*') {
w->compare[len - 1] = '\0';
@@ -531,7 +511,7 @@ int read_apps_groups_conf(const char *name)
{
char filename[FILENAME_MAX + 1];
- snprintf(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);
@@ -583,8 +563,7 @@ int read_apps_groups_conf(const char *name)
t++;
}
- strncpy(w->name, t, MAX_NAME);
- w->name[MAX_NAME] = '\0';
+ strncpyz(w->name, t, MAX_NAME);
w->hidden = thidden;
w->debug = tdebug;
@@ -606,7 +585,7 @@ int read_apps_groups_conf(const char *name)
if(!apps_groups_default_target)
error("Cannot create default target");
else
- strncpy(apps_groups_default_target->name, "other", MAX_NAME);
+ strncpyz(apps_groups_default_target->name, "other", MAX_NAME);
return 0;
}
@@ -796,7 +775,7 @@ void del_pid_entry(pid_t pid)
int read_proc_pid_cmdline(struct pid_stat *p) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/%d/cmdline", host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", host_prefix, p->pid);
int fd = open(filename, O_RDONLY, 0666);
if(unlikely(fd == -1)) return 1;
@@ -806,8 +785,7 @@ int read_proc_pid_cmdline(struct pid_stat *p) {
if(bytes <= 0) {
// copy the command to the command line
- strncpy(p->cmdline, p->comm, MAX_CMDLINE);
- p->cmdline[MAX_CMDLINE] = '\0';
+ strncpyz(p->cmdline, p->comm, MAX_CMDLINE);
return 0;
}
@@ -824,7 +802,7 @@ int read_proc_pid_cmdline(struct pid_stat *p) {
int read_proc_pid_ownership(struct pid_stat *p) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/%d", host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d", host_prefix, p->pid);
// ----------------------------------------
// read uid and gid
@@ -844,7 +822,7 @@ int read_proc_pid_stat(struct pid_stat *p) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid);
// ----------------------------------------
@@ -866,8 +844,7 @@ int read_proc_pid_stat(struct pid_stat *p) {
// parse the process name
unsigned int i = 0;
- strncpy(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME);
- p->comm[MAX_COMPARE_NAME] = '\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
@@ -926,7 +903,7 @@ int read_proc_pid_statm(struct pid_stat *p) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid);
ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return 1;
@@ -956,7 +933,7 @@ int read_proc_pid_io(struct pid_stat *p) {
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid);
ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return 1;
@@ -1024,18 +1001,11 @@ int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
avl_tree all_files_index = {
NULL,
- file_descriptor_compare,
-#ifndef AVL_WITHOUT_PTHREADS
-#ifdef AVL_LOCK_WITH_MUTEX
- PTHREAD_MUTEX_INITIALIZER
-#else
- PTHREAD_RWLOCK_INITIALIZER
-#endif
-#endif /* AVL_WITHOUT_PTHREADS */
+ file_descriptor_compare
};
static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
- struct file_descriptor *result = NULL, tmp;
+ struct file_descriptor tmp;
tmp.hash = (hash)?hash:simple_hash(name);
tmp.name = name;
tmp.count = 0;
@@ -1044,8 +1014,7 @@ static struct file_descriptor *file_descriptor_find(const char *name, uint32_t h
tmp.magic = 0x0BADCAFE;
#endif /* NETDATA_INTERNAL_CHECKS */
- avl_search(&all_files_index, (avl *)&tmp, file_descriptor_iterator, (avl **)&result);
- return result;
+ return (struct file_descriptor *)avl_search(&all_files_index, (avl *) &tmp);
}
#define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
@@ -1211,7 +1180,7 @@ int file_descriptor_find_or_add(const char *name)
int read_pid_file_descriptors(struct pid_stat *p) {
char dirname[FILENAME_MAX+1];
- snprintf(dirname, FILENAME_MAX, "%s/proc/%d/fd", host_prefix, p->pid);
+ snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", host_prefix, p->pid);
DIR *fds = opendir(dirname);
if(fds) {
int c;
@@ -1235,7 +1204,7 @@ int read_pid_file_descriptors(struct pid_stat *p) {
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) {
- error("Cannot re-allocate fds for %s", p->comm);
+ fatal("Cannot re-allocate fds for %s", p->comm);
break;
}
@@ -1304,7 +1273,7 @@ int collect_data_for_all_processes_from_proc(void)
{
char dirname[FILENAME_MAX + 1];
- snprintf(dirname, FILENAME_MAX, "%s/proc", host_prefix);
+ snprintfz(dirname, FILENAME_MAX, "%s/proc", host_prefix);
DIR *dir = opendir(dirname);
if(!dir) return 0;
@@ -2267,7 +2236,7 @@ void send_charts_updates_to_netdata(struct target *root, const char *type, const
for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu %s\n", w->name, Hertz, w->hidden ? "hidden,noreset" : "noreset");
+ 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);
@@ -2295,14 +2264,14 @@ void send_charts_updates_to_netdata(struct target *root, const char *type, const
for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
+ 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 %llu noreset\n", w->name, Hertz * processors);
+ 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);
@@ -2411,12 +2380,6 @@ void parse_args(int argc, char **argv)
}
}
-unsigned long long sutime() {
- struct timeval now;
- gettimeofday(&now, NULL);
- return now.tv_sec * 1000000ULL + now.tv_usec;
-}
-
int main(int argc, char **argv)
{
// debug_flags = D_PROCFILE;
@@ -2427,6 +2390,10 @@ int main(int argc, char **argv)
// 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;
+
host_prefix = getenv("NETDATA_HOST_PREFIX");
if(host_prefix == NULL) {
info("NETDATA_HOST_PREFIX is not passed from netdata");
@@ -2441,13 +2408,22 @@ int main(int argc, char **argv)
}
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);
+ }
+#endif /* NETDATA_INTERNAL_CHECKS */
+
info("starting...");
procfile_adaptive_initial_allocation = 1;
time_t started_t = time(NULL);
time_t current_t;
- Hertz = get_system_hertz();
+ get_HZ();
pid_max = get_system_pid_max();
processors = get_system_cpus();
@@ -2460,16 +2436,14 @@ int main(int argc, char **argv)
exit(1);
}
- fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %d\n", update_every);
- fprintf(stdout, "DIMENSION user '' incremental 1 %d\n", 1000);
- fprintf(stdout, "DIMENSION system '' incremental 1 %d\n", 1000);
-
- fprintf(stdout, "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %d\n", update_every);
- fprintf(stdout, "DIMENSION files '' incremental 1 1\n");
- fprintf(stdout, "DIMENSION pids '' absolute 1 1\n");
- fprintf(stdout, "DIMENSION fds '' absolute 1 1\n");
- fprintf(stdout, "DIMENSION targets '' absolute 1 1\n");
-
+ 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);
#ifndef PROFILING_MODE
unsigned long long sunext = (time(NULL) - (time(NULL) % update_every) + update_every) * 1000000ULL;
@@ -2480,11 +2454,11 @@ int main(int argc, char **argv)
for(;1; counter++) {
#ifndef PROFILING_MODE
// delay until it is our time to run
- while((sunow = sutime()) < sunext)
+ while((sunow = timems()) < sunext)
usleep((useconds_t)(sunext - sunow));
// find the next time we need to run
- while(sutime() > sunext)
+ while(timems() > sunext)
sunext += update_every * 1000000ULL;
#endif /* PROFILING_MODE */
@@ -2508,7 +2482,6 @@ int main(int argc, char **argv)
send_collected_data_to_netdata(groups_root_target, "groups", dt);
if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
- fflush(NULL);
current_t = time(NULL);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 00:38:37 +0000