renamed states family

[netdata.git] / src / plugin_idlejitter.c

diff --git a/src/plugin_idlejitter.c b/src/plugin_idlejitter.c
old mode 100755 (executable)
new mode 100644 (file)
index bc336fc..2ed7816
--- a/src/plugin_idlejitter.c
+++ b/src/plugin_idlejitter.c
@@ -1,64 +1,59 @@
-#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 "config.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());
+
+    if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+        error("Cannot set pthread cancel type to DEFERRED.");
 
-       info("CPU Idle Jitter thread created with task id %d", gettid());
+    if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+        error("Cannot set pthread cancel state to ENABLE.");
 
-       if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
-               error("Cannot set pthread cancel type to DEFERRED.");
+    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;
+    }
 
-       if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
-               error("Cannot set pthread cancel state to ENABLE.");
+    RRDSET *st = rrdset_find_localhost("system.idlejitter");
+    if(!st) {
+        st = rrdset_create_localhost("system", "idlejitter", NULL, "processes", NULL, "CPU Idle Jitter"
+                                     , "microseconds lost/s", 9999, localhost->rrd_update_every, RRDSET_TYPE_LINE);
+        rrddim_add(st, "jitter", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+    }
 
-       int sleep_ms = 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;
-       }
+    struct timeval before, after;
+    unsigned long long counter;
+    for(counter = 0; 1 ;counter++) {
+        usec_t usec = 0, susec = 0;
 
-       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);
-       }
+        if(netdata_exit) break;
 
-       struct timeval before, after;
-       unsigned long long counter;
-       for(counter = 0; 1 ;counter++) {
-               unsigned long long usec = 0, susec = 0;
+        while(susec < (localhost->rrd_update_every * USEC_PER_SEC)) {
 
-               while(susec < (rrd_update_every * 1000000ULL)) {
+            now_monotonic_timeval(&before);
+            sleep_usec(sleep_ms * 1000);
+            now_monotonic_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_usec(st, susec);
-               rrddim_set(st, "jitter", usec);
-               rrdset_done(st);
-       }
+    info("IDLEJITTER thread exiting");
 
-       return NULL;
+    static_thread->enabled = 0;
+    pthread_exit(NULL);
+    return NULL;
 }