From a64a253794ac64cb40befee54db53bde17dd0d49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Nov 2018 13:19:29 +0100 Subject: New upstream version 1.11.0+dfsg Signed-off-by: Daniel Baumann --- src/proc_stat.c | 557 -------------------------------------------------------- 1 file changed, 557 deletions(-) delete mode 100644 src/proc_stat.c (limited to 'src/proc_stat.c') diff --git a/src/proc_stat.c b/src/proc_stat.c deleted file mode 100644 index d1aefb73e..000000000 --- a/src/proc_stat.c +++ /dev/null @@ -1,557 +0,0 @@ -#include "common.h" - -struct per_core_single_number_file { - char found:1; - const char *filename; - int fd; - collected_number value; - RRDDIM *rd; -}; - -#define CORE_THROTTLE_COUNT_INDEX 0 -#define PACKAGE_THROTTLE_COUNT_INDEX 1 -#define SCALING_CUR_FREQ_INDEX 2 -#define PER_CORE_FILES 3 - -struct cpu_chart { - const char *id; - - RRDSET *st; - RRDDIM *rd_user; - RRDDIM *rd_nice; - RRDDIM *rd_system; - RRDDIM *rd_idle; - RRDDIM *rd_iowait; - RRDDIM *rd_irq; - RRDDIM *rd_softirq; - RRDDIM *rd_steal; - RRDDIM *rd_guest; - RRDDIM *rd_guest_nice; - - struct per_core_single_number_file files[PER_CORE_FILES]; -}; - -static int keep_per_core_fds_open = CONFIG_BOOLEAN_YES; - -static int read_per_core_files(struct cpu_chart *all_cpu_charts, size_t len, size_t index) { - char buf[50 + 1]; - size_t x, files_read = 0, files_nonzero = 0; - - for(x = 0; x < len ; x++) { - struct per_core_single_number_file *f = &all_cpu_charts[x].files[index]; - - f->found = 0; - - if(unlikely(!f->filename)) - continue; - - if(unlikely(f->fd == -1)) { - f->fd = open(f->filename, O_RDONLY); - if (unlikely(f->fd == -1)) { - error("Cannot open file '%s'", f->filename); - continue; - } - } - - ssize_t ret = read(f->fd, buf, 50); - if(unlikely(ret < 0)) { - // cannot read that file - - error("Cannot read file '%s'", f->filename); - close(f->fd); - f->fd = -1; - continue; - } - else { - // successful read - - // terminate the buffer - buf[ret] = '\0'; - - if(unlikely(keep_per_core_fds_open != CONFIG_BOOLEAN_YES)) { - close(f->fd); - f->fd = -1; - } - else if(lseek(f->fd, 0, SEEK_SET) == -1) { - error("Cannot seek in file '%s'", f->filename); - close(f->fd); - f->fd = -1; - } - } - - files_read++; - f->found = 1; - - f->value = str2ll(buf, NULL); - // info("read '%s', parsed as " COLLECTED_NUMBER_FORMAT, buf, f->value); - if(likely(f->value != 0)) - files_nonzero++; - } - - if(files_read == 0) - return -1; - - if(files_nonzero == 0) - return 0; - - return (int)files_nonzero; -} - -static void chart_per_core_files(struct cpu_chart *all_cpu_charts, size_t len, size_t index, RRDSET *st, collected_number multiplier, collected_number divisor, RRD_ALGORITHM algorithm) { - size_t x; - for(x = 0; x < len ; x++) { - struct per_core_single_number_file *f = &all_cpu_charts[x].files[index]; - - if(unlikely(!f->found)) - continue; - - if(unlikely(!f->rd)) - f->rd = rrddim_add(st, all_cpu_charts[x].id, NULL, multiplier, divisor, algorithm); - - rrddim_set_by_pointer(st, f->rd, f->value); - } -} - -int do_proc_stat(int update_every, usec_t dt) { - (void)dt; - - static struct cpu_chart *all_cpu_charts = NULL; - static size_t all_cpu_charts_size = 0; - static procfile *ff = NULL; - static int do_cpu = -1, do_cpu_cores = -1, do_interrupts = -1, do_context = -1, do_forks = -1, do_processes = -1, do_core_throttle_count = -1, do_package_throttle_count = -1, do_scaling_cur_freq = -1; - static uint32_t hash_intr, hash_ctxt, hash_processes, hash_procs_running, hash_procs_blocked; - static char *core_throttle_count_filename = NULL, *package_throttle_count_filename = NULL, *scaling_cur_freq_filename = NULL; - - if(unlikely(do_cpu == -1)) { - do_cpu = config_get_boolean("plugin:proc:/proc/stat", "cpu utilization", CONFIG_BOOLEAN_YES); - do_cpu_cores = config_get_boolean("plugin:proc:/proc/stat", "per cpu core utilization", CONFIG_BOOLEAN_YES); - do_interrupts = config_get_boolean("plugin:proc:/proc/stat", "cpu interrupts", CONFIG_BOOLEAN_YES); - do_context = config_get_boolean("plugin:proc:/proc/stat", "context switches", CONFIG_BOOLEAN_YES); - do_forks = config_get_boolean("plugin:proc:/proc/stat", "processes started", CONFIG_BOOLEAN_YES); - do_processes = config_get_boolean("plugin:proc:/proc/stat", "processes running", CONFIG_BOOLEAN_YES); - - // give sane defaults based on the number of processors - if(processors > 50) { - // the system has too many processors - keep_per_core_fds_open = CONFIG_BOOLEAN_NO; - do_core_throttle_count = CONFIG_BOOLEAN_NO; - do_package_throttle_count = CONFIG_BOOLEAN_NO; - do_scaling_cur_freq = CONFIG_BOOLEAN_NO; - } - else { - // the system has a reasonable number of processors - keep_per_core_fds_open = CONFIG_BOOLEAN_YES; - do_core_throttle_count = CONFIG_BOOLEAN_AUTO; - do_package_throttle_count = CONFIG_BOOLEAN_NO; - do_scaling_cur_freq = CONFIG_BOOLEAN_NO; - } - - keep_per_core_fds_open = config_get_boolean("plugin:proc:/proc/stat", "keep per core files open", keep_per_core_fds_open); - do_core_throttle_count = config_get_boolean_ondemand("plugin:proc:/proc/stat", "core_throttle_count", do_core_throttle_count); - do_package_throttle_count = config_get_boolean_ondemand("plugin:proc:/proc/stat", "package_throttle_count", do_package_throttle_count); - do_scaling_cur_freq = config_get_boolean_ondemand("plugin:proc:/proc/stat", "scaling_cur_freq", do_scaling_cur_freq); - - hash_intr = simple_hash("intr"); - hash_ctxt = simple_hash("ctxt"); - hash_processes = simple_hash("processes"); - hash_procs_running = simple_hash("procs_running"); - hash_procs_blocked = simple_hash("procs_blocked"); - - char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/cpu/%s/thermal_throttle/core_throttle_count"); - core_throttle_count_filename = config_get("plugin:proc:/proc/stat", "core_throttle_count filename to monitor", filename); - - snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/cpu/%s/thermal_throttle/package_throttle_count"); - package_throttle_count_filename = config_get("plugin:proc:/proc/stat", "package_throttle_count filename to monitor", filename); - - snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/cpu/%s/cpufreq/scaling_cur_freq"); - scaling_cur_freq_filename = config_get("plugin:proc:/proc/stat", "scaling_cur_freq filename to monitor", filename); - } - - if(unlikely(!ff)) { - char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/stat"); - ff = procfile_open(config_get("plugin:proc:/proc/stat", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT); - if(unlikely(!ff)) return 1; - } - - ff = procfile_readall(ff); - if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time - - size_t lines = procfile_lines(ff), l; - size_t words; - - unsigned long long processes = 0, running = 0 , blocked = 0; - - for(l = 0; l < lines ;l++) { - char *row_key = procfile_lineword(ff, l, 0); - uint32_t hash = simple_hash(row_key); - - // faster strncmp(row_key, "cpu", 3) == 0 - if(likely(row_key[0] == 'c' && row_key[1] == 'p' && row_key[2] == 'u')) { - words = procfile_linewords(ff, l); - if(unlikely(words < 9)) { - error("Cannot read /proc/stat cpu line. Expected 9 params, read %zu.", words); - continue; - } - - size_t core = (row_key[3] == '\0') ? 0 : str2ul(&row_key[3]) + 1; - - if(likely((core == 0 && do_cpu) || (core > 0 && do_cpu_cores))) { - char *id; - unsigned long long user = 0, nice = 0, system = 0, idle = 0, iowait = 0, irq = 0, softirq = 0, steal = 0, guest = 0, guest_nice = 0; - - id = row_key; - user = str2ull(procfile_lineword(ff, l, 1)); - nice = str2ull(procfile_lineword(ff, l, 2)); - system = str2ull(procfile_lineword(ff, l, 3)); - idle = str2ull(procfile_lineword(ff, l, 4)); - iowait = str2ull(procfile_lineword(ff, l, 5)); - irq = str2ull(procfile_lineword(ff, l, 6)); - softirq = str2ull(procfile_lineword(ff, l, 7)); - steal = str2ull(procfile_lineword(ff, l, 8)); - - guest = str2ull(procfile_lineword(ff, l, 9)); - user -= guest; - - guest_nice = str2ull(procfile_lineword(ff, l, 10)); - nice -= guest_nice; - - char *title, *type, *context, *family; - long priority; - - if(core >= all_cpu_charts_size) { - size_t old_cpu_charts_size = all_cpu_charts_size; - all_cpu_charts_size = core + 1; - all_cpu_charts = reallocz(all_cpu_charts, sizeof(struct cpu_chart) * all_cpu_charts_size); - memset(&all_cpu_charts[old_cpu_charts_size], 0, sizeof(struct cpu_chart) * (all_cpu_charts_size - old_cpu_charts_size)); - } - struct cpu_chart *cpu_chart = &all_cpu_charts[core]; - - if(unlikely(!cpu_chart->st)) { - cpu_chart->id = strdupz(id); - - if(core == 0) { - title = "Total CPU utilization"; - type = "system"; - context = "system.cpu"; - family = id; - priority = 100; - } - else { - title = "Core utilization"; - type = "cpu"; - context = "cpu.cpu"; - family = "utilization"; - priority = 1000; - - // FIXME: check for /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq - // FIXME: check for /sys/devices/system/cpu/cpu*/cpufreq/stats/time_in_state - - char filename[FILENAME_MAX + 1]; - struct stat stbuf; - - if(do_core_throttle_count != CONFIG_BOOLEAN_NO) { - snprintfz(filename, FILENAME_MAX, core_throttle_count_filename, id); - if (stat(filename, &stbuf) == 0) { - cpu_chart->files[CORE_THROTTLE_COUNT_INDEX].filename = strdupz(filename); - cpu_chart->files[CORE_THROTTLE_COUNT_INDEX].fd = -1; - do_core_throttle_count = CONFIG_BOOLEAN_YES; - } - } - - if(do_package_throttle_count != CONFIG_BOOLEAN_NO) { - snprintfz(filename, FILENAME_MAX, package_throttle_count_filename, id); - if (stat(filename, &stbuf) == 0) { - cpu_chart->files[PACKAGE_THROTTLE_COUNT_INDEX].filename = strdupz(filename); - cpu_chart->files[PACKAGE_THROTTLE_COUNT_INDEX].fd = -1; - do_package_throttle_count = CONFIG_BOOLEAN_YES; - } - } - - if(do_scaling_cur_freq != CONFIG_BOOLEAN_NO) { - snprintfz(filename, FILENAME_MAX, scaling_cur_freq_filename, id); - if (stat(filename, &stbuf) == 0) { - cpu_chart->files[SCALING_CUR_FREQ_INDEX].filename = strdupz(filename); - cpu_chart->files[SCALING_CUR_FREQ_INDEX].fd = -1; - do_scaling_cur_freq = CONFIG_BOOLEAN_YES; - } - } - } - - cpu_chart->st = rrdset_create_localhost( - type - , id - , NULL - , family - , context - , title - , "percentage" - , "proc" - , "stat" - , priority - , update_every - , RRDSET_TYPE_STACKED - ); - - long multiplier = 1; - long divisor = 1; // sysconf(_SC_CLK_TCK); - - cpu_chart->rd_guest_nice = rrddim_add(cpu_chart->st, "guest_nice", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_guest = rrddim_add(cpu_chart->st, "guest", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_steal = rrddim_add(cpu_chart->st, "steal", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_softirq = rrddim_add(cpu_chart->st, "softirq", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_irq = rrddim_add(cpu_chart->st, "irq", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_user = rrddim_add(cpu_chart->st, "user", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_system = rrddim_add(cpu_chart->st, "system", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_nice = rrddim_add(cpu_chart->st, "nice", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_iowait = rrddim_add(cpu_chart->st, "iowait", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - cpu_chart->rd_idle = rrddim_add(cpu_chart->st, "idle", NULL, multiplier, divisor, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); - rrddim_hide(cpu_chart->st, "idle"); - } - else rrdset_next(cpu_chart->st); - - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_user, user); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_nice, nice); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_system, system); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_idle, idle); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_iowait, iowait); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_irq, irq); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_softirq, softirq); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_steal, steal); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_guest, guest); - rrddim_set_by_pointer(cpu_chart->st, cpu_chart->rd_guest_nice, guest_nice); - rrdset_done(cpu_chart->st); - } - } - else if(unlikely(hash == hash_intr && strcmp(row_key, "intr") == 0)) { - if(likely(do_interrupts)) { - static RRDSET *st_intr = NULL; - static RRDDIM *rd_interrupts = NULL; - unsigned long long value = str2ull(procfile_lineword(ff, l, 1)); - - if(unlikely(!st_intr)) { - st_intr = rrdset_create_localhost( - "system" - , "intr" - , NULL - , "interrupts" - , NULL - , "CPU Interrupts" - , "interrupts/s" - , "proc" - , "stat" - , 900 - , update_every - , RRDSET_TYPE_LINE - ); - - rrdset_flag_set(st_intr, RRDSET_FLAG_DETAIL); - - rd_interrupts = rrddim_add(st_intr, "interrupts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st_intr); - - rrddim_set_by_pointer(st_intr, rd_interrupts, value); - rrdset_done(st_intr); - } - } - else if(unlikely(hash == hash_ctxt && strcmp(row_key, "ctxt") == 0)) { - if(likely(do_context)) { - static RRDSET *st_ctxt = NULL; - static RRDDIM *rd_switches = NULL; - unsigned long long value = str2ull(procfile_lineword(ff, l, 1)); - - if(unlikely(!st_ctxt)) { - st_ctxt = rrdset_create_localhost( - "system" - , "ctxt" - , NULL - , "processes" - , NULL - , "CPU Context Switches" - , "context switches/s" - , "proc" - , "stat" - , 800 - , update_every - , RRDSET_TYPE_LINE - ); - - rd_switches = rrddim_add(st_ctxt, "switches", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st_ctxt); - - rrddim_set_by_pointer(st_ctxt, rd_switches, value); - rrdset_done(st_ctxt); - } - } - else if(unlikely(hash == hash_processes && !processes && strcmp(row_key, "processes") == 0)) { - processes = str2ull(procfile_lineword(ff, l, 1)); - } - else if(unlikely(hash == hash_procs_running && !running && strcmp(row_key, "procs_running") == 0)) { - running = str2ull(procfile_lineword(ff, l, 1)); - } - else if(unlikely(hash == hash_procs_blocked && !blocked && strcmp(row_key, "procs_blocked") == 0)) { - blocked = str2ull(procfile_lineword(ff, l, 1)); - } - } - - // -------------------------------------------------------------------- - - if(likely(do_forks)) { - static RRDSET *st_forks = NULL; - static RRDDIM *rd_started = NULL; - - if(unlikely(!st_forks)) { - st_forks = rrdset_create_localhost( - "system" - , "forks" - , NULL - , "processes" - , NULL - , "Started Processes" - , "processes/s" - , "proc" - , "stat" - , 700 - , update_every - , RRDSET_TYPE_LINE - ); - rrdset_flag_set(st_forks, RRDSET_FLAG_DETAIL); - - rd_started = rrddim_add(st_forks, "started", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st_forks); - - rrddim_set_by_pointer(st_forks, rd_started, processes); - rrdset_done(st_forks); - } - - // -------------------------------------------------------------------- - - if(likely(do_processes)) { - static RRDSET *st_processes = NULL; - static RRDDIM *rd_running = NULL; - static RRDDIM *rd_blocked = NULL; - - if(unlikely(!st_processes)) { - st_processes = rrdset_create_localhost( - "system" - , "processes" - , NULL - , "processes" - , NULL - , "System Processes" - , "processes" - , "proc" - , "stat" - , 600 - , update_every - , RRDSET_TYPE_LINE - ); - - rd_running = rrddim_add(st_processes, "running", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - rd_blocked = rrddim_add(st_processes, "blocked", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE); - } - else rrdset_next(st_processes); - - rrddim_set_by_pointer(st_processes, rd_running, running); - rrddim_set_by_pointer(st_processes, rd_blocked, blocked); - rrdset_done(st_processes); - } - - if(likely(all_cpu_charts_size > 1)) { - if(likely(do_core_throttle_count != CONFIG_BOOLEAN_NO)) { - int r = read_per_core_files(&all_cpu_charts[1], all_cpu_charts_size - 1, CORE_THROTTLE_COUNT_INDEX); - if(likely(r != -1 && (do_core_throttle_count == CONFIG_BOOLEAN_YES || r > 0))) { - do_core_throttle_count = CONFIG_BOOLEAN_YES; - - static RRDSET *st_core_throttle_count = NULL; - - if (unlikely(!st_core_throttle_count)) - st_core_throttle_count = rrdset_create_localhost( - "cpu" - , "core_throttling" - , NULL - , "throttling" - , "cpu.core_throttling" - , "Core Thermal Throttling Events" - , "events/s" - , "proc" - , "stat" - , 5001 - , update_every - , RRDSET_TYPE_LINE - ); - else - rrdset_next(st_core_throttle_count); - - chart_per_core_files(&all_cpu_charts[1], all_cpu_charts_size - 1, CORE_THROTTLE_COUNT_INDEX, st_core_throttle_count, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rrdset_done(st_core_throttle_count); - } - } - - if(likely(do_package_throttle_count != CONFIG_BOOLEAN_NO)) { - int r = read_per_core_files(&all_cpu_charts[1], all_cpu_charts_size - 1, PACKAGE_THROTTLE_COUNT_INDEX); - if(likely(r != -1 && (do_package_throttle_count == CONFIG_BOOLEAN_YES || r > 0))) { - do_package_throttle_count = CONFIG_BOOLEAN_YES; - - static RRDSET *st_package_throttle_count = NULL; - - if(unlikely(!st_package_throttle_count)) - st_package_throttle_count = rrdset_create_localhost( - "cpu" - , "package_throttling" - , NULL - , "throttling" - , "cpu.package_throttling" - , "Package Thermal Throttling Events" - , "events/s" - , "proc" - , "stat" - , 5002 - , update_every - , RRDSET_TYPE_LINE - ); - else - rrdset_next(st_package_throttle_count); - - chart_per_core_files(&all_cpu_charts[1], all_cpu_charts_size - 1, PACKAGE_THROTTLE_COUNT_INDEX, st_package_throttle_count, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rrdset_done(st_package_throttle_count); - } - } - - if(likely(do_scaling_cur_freq != CONFIG_BOOLEAN_NO)) { - int r = read_per_core_files(&all_cpu_charts[1], all_cpu_charts_size - 1, SCALING_CUR_FREQ_INDEX); - if(likely(r != -1 && (do_scaling_cur_freq == CONFIG_BOOLEAN_YES || r > 0))) { - do_scaling_cur_freq = CONFIG_BOOLEAN_YES; - - static RRDSET *st_scaling_cur_freq = NULL; - - if(unlikely(!st_scaling_cur_freq)) - st_scaling_cur_freq = rrdset_create_localhost( - "cpu" - , "scaling_cur_freq" - , NULL - , "cpufreq" - , "cpu.scaling_cur_freq" - , "Per CPU Core, Current CPU Scaling Frequency" - , "MHz" - , "proc" - , "stat" - , 5003 - , update_every - , RRDSET_TYPE_LINE - ); - else - rrdset_next(st_scaling_cur_freq); - - chart_per_core_files(&all_cpu_charts[1], all_cpu_charts_size - 1, SCALING_CUR_FREQ_INDEX, st_scaling_cur_freq, 1, 1000, RRD_ALGORITHM_ABSOLUTE); - rrdset_done(st_scaling_cur_freq); - } - } - } - - return 0; -} -- cgit v1.2.3