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