3 #include <sys/resource.h>
11 #include "plugin_checks.h"
13 void *checks_main(void *ptr)
17 info("CHECKS thread created with task id %d", gettid());
19 if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
20 error("Cannot set pthread cancel type to DEFERRED.");
22 if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
23 error("Cannot set pthread cancel state to ENABLE.");
25 unsigned long long usec = 0, susec = rrd_update_every * 1000000ULL, loop_usec = 0, total_susec = 0;
26 struct timeval now, last, loop;
28 RRDSET *check1, *check2, *check3, *apps_cpu = NULL;
30 check1 = rrdset_create("netdata", "check1", NULL, "netdata", "Caller gives microseconds", "a million !", 99999, rrd_update_every, RRDSET_TYPE_LINE);
31 rrddim_add(check1, "absolute", NULL, -1, 1, RRDDIM_ABSOLUTE);
32 rrddim_add(check1, "incremental", NULL, 1, 1 * rrd_update_every, RRDDIM_INCREMENTAL);
34 check2 = rrdset_create("netdata", "check2", NULL, "netdata", "Netdata calcs microseconds", "a million !", 99999, rrd_update_every, RRDSET_TYPE_LINE);
35 rrddim_add(check2, "absolute", NULL, -1, 1, RRDDIM_ABSOLUTE);
36 rrddim_add(check2, "incremental", NULL, 1, 1 * rrd_update_every, RRDDIM_INCREMENTAL);
38 check3 = rrdset_create("netdata", "checkdt", NULL, "netdata", "Clock difference", "microseconds diff", 99999, rrd_update_every, RRDSET_TYPE_LINE);
39 rrddim_add(check3, "caller", NULL, 1, 1, RRDDIM_ABSOLUTE);
40 rrddim_add(check3, "netdata", NULL, 1, 1, RRDDIM_ABSOLUTE);
41 rrddim_add(check3, "apps.plugin", NULL, 1, 1, RRDDIM_ABSOLUTE);
43 gettimeofday(&last, NULL);
47 // find the time to sleep in order to wait exactly update_every seconds
48 gettimeofday(&now, NULL);
49 loop_usec = usecdiff(&now, &last);
50 usec = loop_usec - susec;
51 debug(D_PROCNETDEV_LOOP, "CHECK: last loop took %llu usec (worked for %llu, sleeped for %llu).", loop_usec, usec, susec);
53 if(usec < (rrd_update_every * 1000000ULL / 2ULL)) susec = (rrd_update_every * 1000000ULL) - usec;
54 else susec = rrd_update_every * 1000000ULL / 2ULL;
56 // --------------------------------------------------------------------
57 // Calculate loop time
59 last.tv_sec = now.tv_sec;
60 last.tv_usec = now.tv_usec;
61 total_susec += loop_usec;
63 // --------------------------------------------------------------------
66 if(check1->counter_done) rrdset_next_usec(check1, loop_usec);
67 rrddim_set(check1, "absolute", 1000000);
68 rrddim_set(check1, "incremental", total_susec);
71 // --------------------------------------------------------------------
74 if(check2->counter_done) rrdset_next(check2);
75 rrddim_set(check2, "absolute", 1000000);
76 rrddim_set(check2, "incremental", total_susec);
79 // --------------------------------------------------------------------
82 if(!apps_cpu) apps_cpu = rrdset_find("apps.cpu");
83 if(check3->counter_done) rrdset_next_usec(check3, loop_usec);
84 gettimeofday(&loop, NULL);
85 rrddim_set(check3, "caller", (long long)usecdiff(&loop, &check1->last_collected_time));
86 rrddim_set(check3, "netdata", (long long)usecdiff(&loop, &check2->last_collected_time));
87 if(apps_cpu) rrddim_set(check3, "apps.plugin", (long long)usecdiff(&loop, &apps_cpu->last_collected_time));