diff options
Diffstat (limited to 'collectors/proc.plugin/proc_stat.c')
| -rw-r--r-- | collectors/proc.plugin/proc_stat.c | 570 |
1 files changed, 570 insertions, 0 deletions
diff --git a/collectors/proc.plugin/proc_stat.c b/collectors/proc.plugin/proc_stat.c new file mode 100644 index 000000000..fb77df647 --- /dev/null +++ b/collectors/proc.plugin/proc_stat.c @@ -0,0 +1,570 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "plugin_proc.h" + +#define PLUGIN_PROC_MODULE_STAT_NAME "/proc/stat" + +struct per_core_single_number_file { + unsigned 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; + static RRDVAR *cpus_var = NULL; + size_t cores_found = (size_t)processors; + + 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(core > 0) cores_found = core; + + 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 = NETDATA_CHART_PRIO_SYSTEM_CPU; + } + else { + title = "Core utilization"; + type = "cpu"; + context = "cpu.cpu"; + family = "utilization"; + priority = NETDATA_CHART_PRIO_CPU_PER_CORE; + + // TODO: check for /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq + // TODO: 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" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_STAT_NAME + , priority + core + , 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"); + + if(unlikely(core == 0 && cpus_var == NULL)) + cpus_var = rrdvar_custom_host_variable_create(localhost, "active_processors"); + } + 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" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_STAT_NAME + , NETDATA_CHART_PRIO_SYSTEM_INTR + , 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" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_STAT_NAME + , NETDATA_CHART_PRIO_SYSTEM_CTXT + , 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" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_STAT_NAME + , NETDATA_CHART_PRIO_SYSTEM_FORKS + , 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" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_STAT_NAME + , NETDATA_CHART_PRIO_SYSTEM_PROCESSES + , 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" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_STAT_NAME + , NETDATA_CHART_PRIO_CORE_THROTTLING + , 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" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_STAT_NAME + , NETDATA_CHART_PRIO_PACKAGE_THROTTLING + , 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" + , PLUGIN_PROC_NAME + , PLUGIN_PROC_MODULE_STAT_NAME + , 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); + } + } + } + + if(cpus_var) + rrdvar_custom_host_variable_set(localhost, cpus_var, cores_found); + + return 0; +} |