diff options
Diffstat (limited to 'src/plugin_checks.c')
-rw-r--r-- | src/plugin_checks.c | 129 |
1 files changed, 58 insertions, 71 deletions
diff --git a/src/plugin_checks.c b/src/plugin_checks.c index 379fb9a8..007d6565 100644 --- a/src/plugin_checks.c +++ b/src/plugin_checks.c @@ -1,97 +1,84 @@ -#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 "common.h" -#include "appconfig.h" -#include "log.h" -#include "rrd.h" -#include "plugin_checks.h" void *checks_main(void *ptr) { - if(ptr) { ; } + if(ptr) { ; } - info("CHECKS thread created with task id %d", gettid()); + info("CHECKS 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."); - unsigned long long usec = 0, susec = rrd_update_every * 1000000ULL, loop_usec = 0, total_susec = 0; - struct timeval now, last, loop; + unsigned long long usec = 0, susec = rrd_update_every * 1000000ULL, loop_usec = 0, total_susec = 0; + struct timeval now, last, loop; - RRDSET *check1, *check2, *check3, *apps_cpu = NULL; + RRDSET *check1, *check2, *check3, *apps_cpu = NULL; - check1 = rrdset_create("netdata", "check1", NULL, "netdata", NULL, "Caller gives microseconds", "a million !", 99999, rrd_update_every, RRDSET_TYPE_LINE); - rrddim_add(check1, "absolute", NULL, -1, 1, RRDDIM_ABSOLUTE); - rrddim_add(check1, "incremental", NULL, 1, 1, RRDDIM_INCREMENTAL); + check1 = rrdset_create("netdata", "check1", NULL, "netdata", NULL, "Caller gives microseconds", "a million !", 99999, rrd_update_every, RRDSET_TYPE_LINE); + rrddim_add(check1, "absolute", NULL, -1, 1, RRDDIM_ABSOLUTE); + rrddim_add(check1, "incremental", NULL, 1, 1, RRDDIM_INCREMENTAL); - check2 = rrdset_create("netdata", "check2", NULL, "netdata", NULL, "Netdata calcs microseconds", "a million !", 99999, rrd_update_every, RRDSET_TYPE_LINE); - rrddim_add(check2, "absolute", NULL, -1, 1, RRDDIM_ABSOLUTE); - rrddim_add(check2, "incremental", NULL, 1, 1, RRDDIM_INCREMENTAL); + check2 = rrdset_create("netdata", "check2", NULL, "netdata", NULL, "Netdata calcs microseconds", "a million !", 99999, rrd_update_every, RRDSET_TYPE_LINE); + rrddim_add(check2, "absolute", NULL, -1, 1, RRDDIM_ABSOLUTE); + rrddim_add(check2, "incremental", NULL, 1, 1, RRDDIM_INCREMENTAL); - check3 = rrdset_create("netdata", "checkdt", NULL, "netdata", NULL, "Clock difference", "microseconds diff", 99999, rrd_update_every, RRDSET_TYPE_LINE); - rrddim_add(check3, "caller", NULL, 1, 1, RRDDIM_ABSOLUTE); - rrddim_add(check3, "netdata", NULL, 1, 1, RRDDIM_ABSOLUTE); - rrddim_add(check3, "apps.plugin", NULL, 1, 1, RRDDIM_ABSOLUTE); + check3 = rrdset_create("netdata", "checkdt", NULL, "netdata", NULL, "Clock difference", "microseconds diff", 99999, rrd_update_every, RRDSET_TYPE_LINE); + rrddim_add(check3, "caller", NULL, 1, 1, RRDDIM_ABSOLUTE); + rrddim_add(check3, "netdata", NULL, 1, 1, RRDDIM_ABSOLUTE); + rrddim_add(check3, "apps.plugin", NULL, 1, 1, RRDDIM_ABSOLUTE); - gettimeofday(&last, NULL); - while(1) { - usleep(susec); + gettimeofday(&last, NULL); + while(1) { + usleep(susec); - // find the time to sleep in order to wait exactly update_every seconds - gettimeofday(&now, NULL); - loop_usec = usecdiff(&now, &last); - usec = loop_usec - susec; - debug(D_PROCNETDEV_LOOP, "CHECK: last loop took %llu usec (worked for %llu, sleeped for %llu).", loop_usec, usec, susec); + // find the time to sleep in order to wait exactly update_every seconds + gettimeofday(&now, NULL); + loop_usec = usec_dt(&now, &last); + usec = loop_usec - susec; + debug(D_PROCNETDEV_LOOP, "CHECK: last loop took %llu usec (worked for %llu, sleeped for %llu).", loop_usec, usec, susec); - if(usec < (rrd_update_every * 1000000ULL / 2ULL)) susec = (rrd_update_every * 1000000ULL) - usec; - else susec = rrd_update_every * 1000000ULL / 2ULL; + if(usec < (rrd_update_every * 1000000ULL / 2ULL)) susec = (rrd_update_every * 1000000ULL) - usec; + else susec = rrd_update_every * 1000000ULL / 2ULL; - // -------------------------------------------------------------------- - // Calculate loop time + // -------------------------------------------------------------------- + // Calculate loop time - last.tv_sec = now.tv_sec; - last.tv_usec = now.tv_usec; - total_susec += loop_usec; + last.tv_sec = now.tv_sec; + last.tv_usec = now.tv_usec; + total_susec += loop_usec; - // -------------------------------------------------------------------- - // check chart 1 + // -------------------------------------------------------------------- + // check chart 1 - if(check1->counter_done) rrdset_next_usec(check1, loop_usec); - rrddim_set(check1, "absolute", 1000000); - rrddim_set(check1, "incremental", total_susec); - rrdset_done(check1); + if(check1->counter_done) rrdset_next_usec(check1, loop_usec); + rrddim_set(check1, "absolute", 1000000); + rrddim_set(check1, "incremental", total_susec); + rrdset_done(check1); - // -------------------------------------------------------------------- - // check chart 2 + // -------------------------------------------------------------------- + // check chart 2 - if(check2->counter_done) rrdset_next(check2); - rrddim_set(check2, "absolute", 1000000); - rrddim_set(check2, "incremental", total_susec); - rrdset_done(check2); + if(check2->counter_done) rrdset_next(check2); + rrddim_set(check2, "absolute", 1000000); + rrddim_set(check2, "incremental", total_susec); + rrdset_done(check2); - // -------------------------------------------------------------------- - // check chart 3 + // -------------------------------------------------------------------- + // check chart 3 - if(!apps_cpu) apps_cpu = rrdset_find("apps.cpu"); - if(check3->counter_done) rrdset_next_usec(check3, loop_usec); - gettimeofday(&loop, NULL); - rrddim_set(check3, "caller", (long long)usecdiff(&loop, &check1->last_collected_time)); - rrddim_set(check3, "netdata", (long long)usecdiff(&loop, &check2->last_collected_time)); - if(apps_cpu) rrddim_set(check3, "apps.plugin", (long long)usecdiff(&loop, &apps_cpu->last_collected_time)); - rrdset_done(check3); - } + if(!apps_cpu) apps_cpu = rrdset_find("apps.cpu"); + if(check3->counter_done) rrdset_next_usec(check3, loop_usec); + gettimeofday(&loop, NULL); + rrddim_set(check3, "caller", (long long) usec_dt(&loop, &check1->last_collected_time)); + rrddim_set(check3, "netdata", (long long) usec_dt(&loop, &check2->last_collected_time)); + if(apps_cpu) rrddim_set(check3, "apps.plugin", (long long) usec_dt(&loop, &apps_cpu->last_collected_time)); + rrdset_done(check3); + } - pthread_exit(NULL); - return NULL; + pthread_exit(NULL); + return NULL; } |