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-rw-r--r--src/proc_stat.c557
1 files changed, 0 insertions, 557 deletions
diff --git a/src/proc_stat.c b/src/proc_stat.c
deleted file mode 100644
index d1aefb73..00000000
--- 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;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 06:29:37 +0000