-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <pthread.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <strings.h>
-#include <unistd.h>
-
-#include "global_statistics.h"
#include "common.h"
-#include "appconfig.h"
-#include "log.h"
-#include "rrd.h"
-#include "plugin_idlejitter.h"
#define CPU_IDLEJITTER_SLEEP_TIME_MS 20
-void *cpuidlejitter_main(void *ptr)
-{
- if(ptr) { ; }
+void *cpuidlejitter_main(void *ptr) {
+ struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
+
+ info("IDLEJITTER thread created with task id %d", gettid());
- info("CPU Idle Jitter thread created with task id %d", gettid());
+ if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+ error("Cannot set pthread cancel type to DEFERRED.");
- if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
- error("Cannot set pthread cancel type to DEFERRED.");
+ if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+ error("Cannot set pthread cancel state to ENABLE.");
- if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
- error("Cannot set pthread cancel state to ENABLE.");
+ int sleep_ms = (int) config_get_number("plugin:idlejitter", "loop time in ms", CPU_IDLEJITTER_SLEEP_TIME_MS);
+ if(sleep_ms <= 0) {
+ config_set_number("plugin:idlejitter", "loop time in ms", CPU_IDLEJITTER_SLEEP_TIME_MS);
+ sleep_ms = CPU_IDLEJITTER_SLEEP_TIME_MS;
+ }
- int sleep_ms = (int) config_get_number("plugin:idlejitter", "loop time in ms", CPU_IDLEJITTER_SLEEP_TIME_MS);
- if(sleep_ms <= 0) {
- config_set_number("plugin:idlejitter", "loop time in ms", CPU_IDLEJITTER_SLEEP_TIME_MS);
- sleep_ms = CPU_IDLEJITTER_SLEEP_TIME_MS;
- }
+ RRDSET *st = rrdset_find("system.idlejitter");
+ if(!st) {
+ st = rrdset_create("system", "idlejitter", NULL, "processes", NULL, "CPU Idle Jitter", "microseconds lost/s", 9999, rrd_update_every, RRDSET_TYPE_LINE);
+ rrddim_add(st, "jitter", NULL, 1, 1, RRDDIM_ABSOLUTE);
+ }
- RRDSET *st = rrdset_find("system.idlejitter");
- if(!st) {
- st = rrdset_create("system", "idlejitter", NULL, "cpu", "CPU Idle Jitter", "microseconds lost/s", 9999, rrd_update_every, RRDSET_TYPE_LINE);
- rrddim_add(st, "jitter", NULL, 1, 1, RRDDIM_ABSOLUTE);
- }
+ struct timeval before, after;
+ unsigned long long counter;
+ for(counter = 0; 1 ;counter++) {
+ usec_t usec = 0, susec = 0;
- struct timeval before, after;
- unsigned long long counter;
- for(counter = 0; 1 ;counter++) {
- unsigned long long usec = 0, susec = 0;
+ while(susec < (rrd_update_every * USEC_PER_SEC)) {
- while(susec < (rrd_update_every * 1000000ULL)) {
+ now_realtime_timeval(&before);
+ sleep_usec(sleep_ms * 1000);
+ now_realtime_timeval(&after);
- gettimeofday(&before, NULL);
- usleep(sleep_ms * 1000);
- gettimeofday(&after, NULL);
+ // calculate the time it took for a full loop
+ usec = dt_usec(&after, &before);
+ susec += usec;
+ }
+ usec -= (sleep_ms * 1000);
- // calculate the time it took for a full loop
- usec = usecdiff(&after, &before);
- susec += usec;
- }
- usec -= (sleep_ms * 1000);
+ if(counter) rrdset_next(st);
+ rrddim_set(st, "jitter", usec);
+ rrdset_done(st);
+ }
- if(counter) rrdset_next(st);
- rrddim_set(st, "jitter", usec);
- rrdset_done(st);
- }
+ info("IDLEJITTER thread exiting");
- pthread_exit(NULL);
- return NULL;
+ static_thread->enabled = 0;
+ pthread_exit(NULL);
+ return NULL;
}