static inline struct interrupt *get_interrupts_array(int lines, int cpus) {
static struct interrupt *irrs = NULL;
static int allocated = 0;
if(unlikely(lines > allocated)) {
irrs = (struct interrupt *)reallocz(irrs, lines * recordsize(cpus));
allocated = lines;
}
return irrs;
}
static int read_schedstat(char *schedstat_filename, struct per_core_cpuidle_chart **cpuidle_charts_address, size_t *schedstat_cores_found) {
static size_t cpuidle_charts_len = 0;
static procfile *ff = NULL;
struct per_core_cpuidle_chart *cpuidle_charts = *cpuidle_charts_address;
size_t cores_found = 0;
if(unlikely(!ff)) {
ff = procfile_open(schedstat_filename, " \t:", PROCFILE_FLAG_DEFAULT);
if(unlikely(!ff)) return 1;
}
ff = procfile_readall(ff);
if(unlikely(!ff)) return 1;
size_t lines = procfile_lines(ff), l;
size_t words;
for(l = 0; l < lines ;l++) {
char *row_key = procfile_lineword(ff, l, 0);
// 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 < 10)) {
error("Cannot read /proc/schedstat cpu line. Expected 9 params, read %zu.", words);
return 1;
}
cores_found++;
size_t core = str2ul(&row_key[3]);
if(unlikely(core >= cores_found)) {
error("Core %zu found but no more than %zu cores were expected.", core, cores_found);
return 1;
}
if(unlikely(cpuidle_charts_len < cores_found)) {
cpuidle_charts = reallocz(cpuidle_charts, sizeof(struct per_core_cpuidle_chart) * cores_found);
*cpuidle_charts_address = cpuidle_charts;
memset(cpuidle_charts + cpuidle_charts_len, 0, sizeof(struct per_core_cpuidle_chart) * (cores_found - cpuidle_charts_len));
cpuidle_charts_len = cores_found;
}
cpuidle_charts[core].active_time = str2ull(procfile_lineword(ff, l, 7)) / 1000;
}
}
*schedstat_cores_found = cores_found;
return 0;
}
void buffer_increase(BUFFER *b, size_t free_size_required)
{
buffer_overflow_check(b);
size_t left = b->size - b->len;
if(left >= free_size_required) return;
size_t increase = free_size_required - left;
if(increase < WEB_DATA_LENGTH_INCREASE_STEP) increase = WEB_DATA_LENGTH_INCREASE_STEP;
debug(D_WEB_BUFFER, "Increasing data buffer from size %zu to %zu.", b->size, b->size + increase);
b->buffer = reallocz(b->buffer, b->size + increase + sizeof(BUFFER_OVERFLOW_EOF) + 2);
b->size += increase;
buffer_overflow_init(b);
buffer_overflow_check(b);
}
static inline struct interrupt *get_interrupts_array(uint32_t lines, int cpus) {
static struct interrupt *irrs = NULL;
static uint32_t allocated = 0;
if(unlikely(lines != allocated)) {
uint32_t l;
int c;
irrs = (struct interrupt *)reallocz(irrs, lines * recordsize(cpus));
// reset all interrupt RRDDIM pointers as any line could have shifted
for(l = 0; l < lines ;l++) {
struct interrupt *irr = irrindex(irrs, l, cpus);
irr->rd = NULL;
irr->name[0] = '\0';
for(c = 0; c < cpus ;c++)
irr->cpu[c].rd = NULL;
}
allocated = lines;
}
return irrs;
}
static int nfacct_callback(const struct nlmsghdr *nlh, void *data) {
if(data) {};
if(!nfacct_list || nfacct_list->len == nfacct_list->size) {
int size = (nfacct_list) ? nfacct_list->size : 0;
int len = (nfacct_list) ? nfacct_list->len : 0;
size++;
info("nfacct.plugin: increasing nfacct_list to size %d", size);
nfacct_list = reallocz(nfacct_list, sizeof(struct nfacct_list) + (sizeof(struct mynfacct) * size));
nfacct_list->data[len].nfacct = nfacct_alloc();
if(!nfacct_list->data[size - 1].nfacct) {
error("nfacct.plugin: nfacct_alloc() failed.");
free(nfacct_list);
nfacct_list = NULL;
return MNL_CB_OK;
}
nfacct_list->size = size;
nfacct_list->len = len;
}
if(nfacct_nlmsg_parse_payload(nlh, nfacct_list->data[nfacct_list->len].nfacct) < 0) {
error("nfacct.plugin: nfacct_nlmsg_parse_payload() failed.");
return MNL_CB_OK;
}
nfacct_list->data[nfacct_list->len].name = nfacct_attr_get_str(nfacct_list->data[nfacct_list->len].nfacct, NFACCT_ATTR_NAME);
nfacct_list->data[nfacct_list->len].pkts = nfacct_attr_get_u64(nfacct_list->data[nfacct_list->len].nfacct, NFACCT_ATTR_PKTS);
nfacct_list->data[nfacct_list->len].bytes = nfacct_attr_get_u64(nfacct_list->data[nfacct_list->len].nfacct, NFACCT_ATTR_BYTES);
nfacct_list->len++;
return MNL_CB_OK;
}
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;
}
int do_proc_interrupts(int update_every, usec_t dt) {
(void)dt;
static procfile *ff = NULL;
static int cpus = -1, do_per_core = -1;
struct interrupt *irrs = NULL;
if(unlikely(do_per_core == -1))
do_per_core = config_get_boolean("plugin:proc:/proc/interrupts", "interrupts per core", 1);
if(unlikely(!ff)) {
char filename[FILENAME_MAX + 1];
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/interrupts");
ff = procfile_open(config_get("plugin:proc:/proc/interrupts", "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 = procfile_linewords(ff, 0);
if(unlikely(!lines)) {
error("Cannot read /proc/interrupts, zero lines reported.");
return 1;
}
// find how many CPUs are there
if(unlikely(cpus == -1)) {
uint32_t w;
cpus = 0;
for(w = 0; w < words ; w++) {
if(likely(strncmp(procfile_lineword(ff, 0, w), "CPU", 3) == 0))
cpus++;
}
}
if(unlikely(!cpus)) {
error("PLUGIN: PROC_INTERRUPTS: Cannot find the number of CPUs in /proc/interrupts");
return 1;
}
// allocate the size we need;
irrs = get_interrupts_array(lines, cpus);
irrs[0].used = 0;
// loop through all lines
for(l = 1; l < lines ;l++) {
struct interrupt *irr = irrindex(irrs, l, cpus);
irr->used = 0;
irr->total = 0;
words = procfile_linewords(ff, l);
if(unlikely(!words)) continue;
irr->id = procfile_lineword(ff, l, 0);
if(unlikely(!irr->id || !irr->id[0])) continue;
size_t idlen = strlen(irr->id);
if(unlikely(idlen && irr->id[idlen - 1] == ':'))
irr->id[idlen - 1] = '\0';
int c;
for(c = 0; c < cpus ;c++) {
if(likely((c + 1) < (int)words))
irr->cpu[c].value = str2ull(procfile_lineword(ff, l, (uint32_t)(c + 1)));
else
irr->cpu[c].value = 0;
irr->total += irr->cpu[c].value;
}
if(unlikely(isdigit(irr->id[0]) && (uint32_t)(cpus + 2) < words)) {
strncpyz(irr->name, procfile_lineword(ff, l, words - 1), MAX_INTERRUPT_NAME);
size_t nlen = strlen(irr->name);
idlen = strlen(irr->id);
if(likely(nlen + 1 + idlen <= MAX_INTERRUPT_NAME)) {
irr->name[nlen] = '_';
strncpyz(&irr->name[nlen + 1], irr->id, MAX_INTERRUPT_NAME - nlen - 1);
}
else {
irr->name[MAX_INTERRUPT_NAME - idlen - 1] = '_';
strncpyz(&irr->name[MAX_INTERRUPT_NAME - idlen], irr->id, idlen);
}
}
else {
strncpyz(irr->name, irr->id, MAX_INTERRUPT_NAME);
}
irr->used = 1;
}
// --------------------------------------------------------------------
static RRDSET *st_system_interrupts = NULL;
if(unlikely(!st_system_interrupts))
st_system_interrupts = rrdset_create_localhost(
"system"
, "interrupts"
, NULL
, "interrupts"
, NULL
, "System interrupts"
, "interrupts/s"
, 1000
, update_every
, RRDSET_TYPE_STACKED
);
else
rrdset_next(st_system_interrupts);
for(l = 0; l < lines ;l++) {
struct interrupt *irr = irrindex(irrs, l, cpus);
if(unlikely(!irr->used)) continue;
// some interrupt may have changed without changing the total number of lines
// if the same number of interrupts have been added and removed between two
// calls of this function.
if(unlikely(!irr->rd || strncmp(irr->rd->name, irr->name, MAX_INTERRUPT_NAME) != 0)) {
irr->rd = rrddim_find(st_system_interrupts, irr->id);
if(unlikely(!irr->rd))
irr->rd = rrddim_add(st_system_interrupts, irr->id, irr->name, 1, 1, RRD_ALGORITHM_INCREMENTAL);
else
rrddim_set_name(st_system_interrupts, irr->rd, irr->name);
// also reset per cpu RRDDIMs to avoid repeating strncmp() in the per core loop
if(likely(do_per_core)) {
int c;
for (c = 0; c < cpus ;c++) irr->cpu[c].rd = NULL;
}
}
rrddim_set_by_pointer(st_system_interrupts, irr->rd, irr->total);
}
rrdset_done(st_system_interrupts);
// --------------------------------------------------------------------
if(likely(do_per_core)) {
static RRDSET **core_st = NULL;
static int old_cpus = 0;
if(old_cpus < cpus) {
core_st = reallocz(core_st, sizeof(RRDSET *) * cpus);
memset(&core_st[old_cpus], 0, sizeof(RRDSET *) * (cpus - old_cpus));
old_cpus = cpus;
}
int c;
for(c = 0; c < cpus ;c++) {
if(unlikely(!core_st[c])) {
char id[50+1];
snprintfz(id, 50, "cpu%d_interrupts", c);
char title[100+1];
snprintfz(title, 100, "CPU%d Interrupts", c);
core_st[c] = rrdset_create_localhost(
"cpu"
, id
, NULL
, "interrupts"
, "cpu.interrupts"
, title
, "interrupts/s"
, 1100 + c
, update_every
, RRDSET_TYPE_STACKED
);
}
else rrdset_next(core_st[c]);
for(l = 0; l < lines ;l++) {
struct interrupt *irr = irrindex(irrs, l, cpus);
if(unlikely(!irr->used)) continue;
if(unlikely(!irr->cpu[c].rd)) {
irr->cpu[c].rd = rrddim_find(core_st[c], irr->id);
if(unlikely(!irr->cpu[c].rd))
irr->cpu[c].rd = rrddim_add(core_st[c], irr->id, irr->name, 1, 1, RRD_ALGORITHM_INCREMENTAL);
else
rrddim_set_name(core_st[c], irr->cpu[c].rd, irr->name);
}
rrddim_set_by_pointer(core_st[c], irr->cpu[c].rd, irr->cpu[c].value);
}
rrdset_done(core_st[c]);
}
}
return 0;
}
/**
* Initialize the server settings from the srv file. */
void server_settings_init()
{
FILE *fp;
char buf[HUGE_BUF * 4], *cp;
int line = 0;
char_struct *cur_char = NULL;
size_t text_id = 0, i;
fp = server_file_open(SERVER_FILE_SETTINGS);
if (!fp)
{
return;
}
server_settings_deinit();
s_settings = calloc(1, sizeof(server_settings));
while (fgets(buf, sizeof(buf) - 1, fp))
{
line++;
if (*buf == '#')
{
continue;
}
cp = strrchr(buf, '\n');
/* Eliminate newline. */
if (cp)
{
*cp = '\0';
}
if (*buf == '\0')
{
continue;
}
/* Parse the command. Unknown commands will be silently ignored. */
if (!strncmp(buf, "char ", 5))
{
s_settings->characters = reallocz(s_settings->characters, sizeof(*s_settings->characters) * s_settings->num_characters, sizeof(*s_settings->characters) * (s_settings->num_characters + 1));
cur_char = &s_settings->characters[s_settings->num_characters];
cur_char->name = strdup(buf + 5);
}
else if (!strncmp(buf, "base_hp ", 8))
{
cur_char->base_hp = atoi(buf + 8);
}
else if (!strncmp(buf, "base_sp ", 8))
{
cur_char->base_sp = atoi(buf + 8);
}
else if (!strncmp(buf, "base_grace ", 11))
{
cur_char->base_grace = atoi(buf + 11);
}
else if (!strncmp(buf, "gender ", 7))
{
char gender[MAX_BUF], arch[MAX_BUF], face[MAX_BUF];
int gender_id;
if (sscanf(buf + 7, "%s %s %s", gender, arch, face) == 3)
{
gender_id = gender_to_id(gender);
cur_char->gender_archetypes[gender_id] = strdup(arch);
cur_char->gender_faces[gender_id] = strdup(face);
}
}
else if (!strncmp(buf, "points_max ", 11))
{
cur_char->points_max = atoi(buf + 11);
}
else if (!strncmp(buf, "stats_base ", 11))
{
if (sscanf(buf + 11, "%d %d %d %d %d %d %d", &cur_char->stats_base[0], &cur_char->stats_base[1], &cur_char->stats_base[2], &cur_char->stats_base[3], &cur_char->stats_base[4], &cur_char->stats_base[5], &cur_char->stats_base[6]) != 7)
{
LOG(llevBug, "Error in settings file, line %d: not enough stats provided.\n", line);
}
}
else if (!strncmp(buf, "stats_min ", 10))
{
if (sscanf(buf + 10, "%d %d %d %d %d %d %d", &cur_char->stats_min[0], &cur_char->stats_min[1], &cur_char->stats_min[2], &cur_char->stats_min[3], &cur_char->stats_min[4], &cur_char->stats_min[5], &cur_char->stats_min[6]) != 7)
{
LOG(llevBug, "Error in settings file, line %d: not enough stats provided.\n", line);
}
}
else if (!strncmp(buf, "stats_max ", 10))
{
if (sscanf(buf + 10, "%d %d %d %d %d %d %d", &cur_char->stats_max[0], &cur_char->stats_max[1], &cur_char->stats_max[2], &cur_char->stats_max[3], &cur_char->stats_max[4], &cur_char->stats_max[5], &cur_char->stats_max[6]) != 7)
{
LOG(llevBug, "Error in settings file, line %d: not enough stats provided.\n", line);
}
}
else if (!strncmp(buf, "desc ", 5))
{
cur_char->desc = strdup(buf + 5);
}
else if (!strcmp(buf, "end"))
{
s_settings->num_characters++;
}
else if (!strncmp(buf, "level ", 6))
{
uint32 i;
s_settings->max_level = atoi(buf + 6);
s_settings->level_exp = malloc(sizeof(*s_settings->level_exp) * (s_settings->max_level + 2));
for (i = 0; i <= s_settings->max_level; i++)
{
if (!fgets(buf, sizeof(buf) - 1, fp))
{
break;
}
s_settings->level_exp[i] = strtoull(buf, NULL, 16);
}
s_settings->level_exp[i] = 0;
}
else if (!strncmp(buf, "text ", 5))
{
if (text_id < SERVER_TEXT_MAX)
{
char *cp;
size_t j = 0;
s_settings->text[text_id] = strdup(buf + 5);
convert_newline(s_settings->text[text_id]);
if (text_id == SERVER_TEXT_PROTECTION_LETTERS)
{
cp = strtok(s_settings->text[text_id], " ");
while (cp)
{
strncpy(s_settings->protection_letters[j], cp, sizeof(*s_settings->protection_letters) - 1);
s_settings->protection_letters[j][sizeof(*s_settings->protection_letters) - 1] = '\0';
j++;
cp = strtok(NULL, " ");
}
}
else if (text_id == SERVER_TEXT_PROTECTION_FULL)
{
cp = strtok(s_settings->text[text_id], " ");
while (cp)
{
strncpy(s_settings->protection_full[j], cp, sizeof(*s_settings->protection_full) - 1);
s_settings->protection_full[j][sizeof(*s_settings->protection_full) - 1] = '\0';
j++;
cp = strtok(NULL, " ");
}
}
text_id++;
}
else
{
LOG(llevBug, "Error in settings file, more text entries than allowed on line %d.\n", line);
}
}
}
for (i = text_id; i < SERVER_TEXT_MAX; i++)
{
s_settings->text[i] = strdup("???");
}
fclose(fp);
}
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_cpu_freq = -1, do_cpuidle = -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,
*time_in_state_filename = NULL, *schedstat_filename = NULL, *cpuidle_name_filename = NULL, *cpuidle_time_filename = NULL;
static RRDVAR *cpus_var = NULL;
static int accurate_freq_avail = 0, accurate_freq_is_used = 0;
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(unlikely(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_cpu_freq = CONFIG_BOOLEAN_NO;
do_cpuidle = 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_cpu_freq = CONFIG_BOOLEAN_YES;
do_cpuidle = CONFIG_BOOLEAN_YES;
}
if(unlikely(processors > 24)) {
// the system has too many processors
keep_cpuidle_fds_open = CONFIG_BOOLEAN_NO;
}
else {
// the system has a reasonable number of processors
keep_cpuidle_fds_open = CONFIG_BOOLEAN_YES;
}
keep_per_core_fds_open = config_get_boolean("plugin:proc:/proc/stat", "keep per core files open", keep_per_core_fds_open);
keep_cpuidle_fds_open = config_get_boolean("plugin:proc:/proc/stat", "keep cpuidle files open", keep_cpuidle_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_cpu_freq = config_get_boolean_ondemand("plugin:proc:/proc/stat", "cpu frequency", do_cpu_freq);
do_cpuidle = config_get_boolean_ondemand("plugin:proc:/proc/stat", "cpu idle states", do_cpuidle);
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);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/cpu/%s/cpufreq/stats/time_in_state");
time_in_state_filename = config_get("plugin:proc:/proc/stat", "time_in_state filename to monitor", filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/schedstat");
schedstat_filename = config_get("plugin:proc:/proc/stat", "schedstat filename to monitor", filename);
if(do_cpuidle != CONFIG_BOOLEAN_NO) {
struct stat stbuf;
if (stat(schedstat_filename, &stbuf))
do_cpuidle = CONFIG_BOOLEAN_NO;
}
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/cpu/cpu%zu/cpuidle/state%zu/name");
cpuidle_name_filename = config_get("plugin:proc:/proc/stat", "cpuidle name filename to monitor", filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/cpu/cpu%zu/cpuidle/state%zu/time");
cpuidle_time_filename = config_get("plugin:proc:/proc/stat", "cpuidle time 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)) 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(unlikely(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(unlikely(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;
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_cpu_freq != CONFIG_BOOLEAN_NO) {
snprintfz(filename, FILENAME_MAX, scaling_cur_freq_filename, id);
if (stat(filename, &stbuf) == 0) {
cpu_chart->files[CPU_FREQ_INDEX].filename = strdupz(filename);
cpu_chart->files[CPU_FREQ_INDEX].fd = -1;
do_cpu_freq = CONFIG_BOOLEAN_YES;
}
snprintfz(filename, FILENAME_MAX, time_in_state_filename, id);
if (stat(filename, &stbuf) == 0) {
cpu_chart->time_in_state_files.filename = strdupz(filename);
cpu_chart->time_in_state_files.ff = NULL;
do_cpu_freq = CONFIG_BOOLEAN_YES;
accurate_freq_avail = 1;
}
}
}
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_cpu_freq != CONFIG_BOOLEAN_NO)) {
char filename[FILENAME_MAX + 1];
int r = 0;
if (accurate_freq_avail) {
r = read_per_core_time_in_state_files(&all_cpu_charts[1], all_cpu_charts_size - 1, CPU_FREQ_INDEX);
if(r > 0 && !accurate_freq_is_used) {
accurate_freq_is_used = 1;
snprintfz(filename, FILENAME_MAX, time_in_state_filename, "cpu*");
info("cpufreq is using %s", filename);
}
}
if (r < 1) {
r = read_per_core_files(&all_cpu_charts[1], all_cpu_charts_size - 1, CPU_FREQ_INDEX);
if(accurate_freq_is_used) {
accurate_freq_is_used = 0;
snprintfz(filename, FILENAME_MAX, scaling_cur_freq_filename, "cpu*");
info("cpufreq fell back to %s", filename);
}
}
if(likely(r != -1 && (do_cpu_freq == CONFIG_BOOLEAN_YES || r > 0))) {
do_cpu_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"
, "cpufreq"
, NULL
, "cpufreq"
, "cpufreq.cpufreq"
, "Current CPU Frequency"
, "MHz"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_STAT_NAME
, NETDATA_CHART_PRIO_CPUFREQ_SCALING_CUR_FREQ
, 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, CPU_FREQ_INDEX, st_scaling_cur_freq, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
rrdset_done(st_scaling_cur_freq);
}
}
}
// --------------------------------------------------------------------
static struct per_core_cpuidle_chart *cpuidle_charts = NULL;
size_t schedstat_cores_found = 0;
if(likely(do_cpuidle != CONFIG_BOOLEAN_NO && !read_schedstat(schedstat_filename, &cpuidle_charts, &schedstat_cores_found))) {
int cpu_states_updated = 0;
size_t core, state;
// proc.plugin runs on Linux systems only. Multi-platform compatibility is not needed here,
// so bare pthread functions are used to avoid unneeded overheads.
for(core = 0; core < schedstat_cores_found; core++) {
if(unlikely(!(cpuidle_charts[core].active_time - cpuidle_charts[core].last_active_time))) {
pthread_t thread;
if(unlikely(pthread_create(&thread, NULL, wake_cpu_thread, (void *)&core)))
error("Cannot create wake_cpu_thread");
else if(unlikely(pthread_join(thread, NULL)))
error("Cannot join wake_cpu_thread");
cpu_states_updated = 1;
}
}
if(unlikely(!cpu_states_updated || !read_schedstat(schedstat_filename, &cpuidle_charts, &schedstat_cores_found))) {
for(core = 0; core < schedstat_cores_found; core++) {
cpuidle_charts[core].last_active_time = cpuidle_charts[core].active_time;
int r = read_cpuidle_states(cpuidle_name_filename, cpuidle_time_filename, cpuidle_charts, core);
if(likely(r != -1 && (do_cpuidle == CONFIG_BOOLEAN_YES || r > 0))) {
do_cpuidle = CONFIG_BOOLEAN_YES;
char cpuidle_chart_id[RRD_ID_LENGTH_MAX + 1];
snprintfz(cpuidle_chart_id, RRD_ID_LENGTH_MAX, "cpu%zu_cpuidle", core);
if(unlikely(!cpuidle_charts[core].st)) {
cpuidle_charts[core].st = rrdset_create_localhost(
"cpu"
, cpuidle_chart_id
, NULL
, "cpuidle"
, "cpuidle.cpuidle"
, "C-state residency time"
, "percentage"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_STAT_NAME
, NETDATA_CHART_PRIO_CPUIDLE + core
, update_every
, RRDSET_TYPE_STACKED
);
char cpuidle_dim_id[RRD_ID_LENGTH_MAX + 1];
snprintfz(cpuidle_dim_id, RRD_ID_LENGTH_MAX, "cpu%zu_active_time", core);
cpuidle_charts[core].active_time_rd = rrddim_add(cpuidle_charts[core].st, cpuidle_dim_id, "C0 (active)", 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL);
for(state = 0; state < cpuidle_charts[core].cpuidle_state_len; state++) {
snprintfz(cpuidle_dim_id, RRD_ID_LENGTH_MAX, "cpu%zu_cpuidle_state%zu_time", core, state);
cpuidle_charts[core].cpuidle_state[state].rd = rrddim_add(cpuidle_charts[core].st, cpuidle_dim_id,
cpuidle_charts[core].cpuidle_state[state].name,
1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL);
}
}
else
rrdset_next(cpuidle_charts[core].st);
rrddim_set_by_pointer(cpuidle_charts[core].st, cpuidle_charts[core].active_time_rd, cpuidle_charts[core].active_time);
for(state = 0; state < cpuidle_charts[core].cpuidle_state_len; state++) {
rrddim_set_by_pointer(cpuidle_charts[core].st, cpuidle_charts[core].cpuidle_state[state].rd, cpuidle_charts[core].cpuidle_state[state].value);
}
rrdset_done(cpuidle_charts[core].st);
}
}
}
}
if(cpus_var)
rrdvar_custom_host_variable_set(localhost, cpus_var, cores_found);
return 0;
}
static int read_per_core_time_in_state_files(struct cpu_chart *all_cpu_charts, size_t len, size_t index) {
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];
struct per_core_time_in_state_file *tsf = &all_cpu_charts[x].time_in_state_files;
f->found = 0;
if(unlikely(!tsf->filename))
continue;
if(unlikely(!tsf->ff)) {
tsf->ff = procfile_open(tsf->filename, " \t:", PROCFILE_FLAG_DEFAULT);
if(unlikely(!tsf->ff))
{
error("Cannot open file '%s'", tsf->filename);
continue;
}
}
tsf->ff = procfile_readall(tsf->ff);
if(unlikely(!tsf->ff)) {
error("Cannot read file '%s'", tsf->filename);
procfile_close(tsf->ff);
tsf->ff = NULL;
continue;
}
else {
// successful read
size_t lines = procfile_lines(tsf->ff), l;
size_t words;
unsigned long long total_ticks_since_last = 0, avg_freq = 0;
// Check if there is at least one frequency in time_in_state
if (procfile_word(tsf->ff, 0)[0] == '\0') {
if(unlikely(keep_per_core_fds_open != CONFIG_BOOLEAN_YES)) {
procfile_close(tsf->ff);
tsf->ff = NULL;
}
// TODO: Is there a better way to avoid spikes than calculating the average over
// the whole period under schedutil governor?
// freez(tsf->last_ticks);
// tsf->last_ticks = NULL;
// tsf->last_ticks_len = 0;
continue;
}
if (unlikely(tsf->last_ticks_len < lines || tsf->last_ticks == NULL)) {
tsf->last_ticks = reallocz(tsf->last_ticks, sizeof(struct last_ticks) * lines);
memset(tsf->last_ticks, 0, sizeof(struct last_ticks) * lines);
tsf->last_ticks_len = lines;
}
f->value = 0;
for(l = 0; l < lines - 1 ;l++) {
unsigned long long frequency = 0, ticks = 0, ticks_since_last = 0;
words = procfile_linewords(tsf->ff, l);
if(unlikely(words < 2)) {
error("Cannot read time_in_state line. Expected 2 params, read %zu.", words);
continue;
}
frequency = str2ull(procfile_lineword(tsf->ff, l, 0));
ticks = str2ull(procfile_lineword(tsf->ff, l, 1));
// It is assumed that frequencies are static and sorted
ticks_since_last = ticks - tsf->last_ticks[l].ticks;
tsf->last_ticks[l].frequency = frequency;
tsf->last_ticks[l].ticks = ticks;
total_ticks_since_last += ticks_since_last;
avg_freq += frequency * ticks_since_last;
}
if (likely(total_ticks_since_last)) {
avg_freq /= total_ticks_since_last;
f->value = avg_freq;
}
if(unlikely(keep_per_core_fds_open != CONFIG_BOOLEAN_YES)) {
procfile_close(tsf->ff);
tsf->ff = NULL;
}
}
files_read++;
f->found = 1;
if(likely(f->value != 0))
files_nonzero++;
}
if(unlikely(files_read == 0))
return -1;
if(unlikely(files_nonzero == 0))
return 0;
return (int)files_nonzero;
}
