diff options
Diffstat (limited to '')
| -rw-r--r-- | collectors/checks.plugin/Makefile.am | 8 | ||||
| -rw-r--r-- | collectors/checks.plugin/README.md | 10 | ||||
| -rw-r--r-- | collectors/checks.plugin/plugin_checks.c | 129 | ||||
| -rw-r--r-- | collectors/checks.plugin/plugin_checks.h | 29 |
4 files changed, 176 insertions, 0 deletions
diff --git a/collectors/checks.plugin/Makefile.am b/collectors/checks.plugin/Makefile.am new file mode 100644 index 0000000..161784b --- /dev/null +++ b/collectors/checks.plugin/Makefile.am @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-3.0-or-later + +AUTOMAKE_OPTIONS = subdir-objects +MAINTAINERCLEANFILES = $(srcdir)/Makefile.in + +dist_noinst_DATA = \ + README.md \ + $(NULL) diff --git a/collectors/checks.plugin/README.md b/collectors/checks.plugin/README.md new file mode 100644 index 0000000..5f1a6b9 --- /dev/null +++ b/collectors/checks.plugin/README.md @@ -0,0 +1,10 @@ +<!-- +title: "checks.plugin" +custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/checks.plugin/README.md +--> + +# checks.plugin + +A debugging plugin (by default it is disabled) + +[](<>) diff --git a/collectors/checks.plugin/plugin_checks.c b/collectors/checks.plugin/plugin_checks.c new file mode 100644 index 0000000..f8a2008 --- /dev/null +++ b/collectors/checks.plugin/plugin_checks.c @@ -0,0 +1,129 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "plugin_checks.h" + +#ifdef NETDATA_INTERNAL_CHECKS + +static void checks_main_cleanup(void *ptr) { + struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr; + static_thread->enabled = NETDATA_MAIN_THREAD_EXITING; + + info("cleaning up..."); + + static_thread->enabled = NETDATA_MAIN_THREAD_EXITED; +} + +void *checks_main(void *ptr) { + netdata_thread_cleanup_push(checks_main_cleanup, ptr); + + usec_t usec = 0, susec = localhost->rrd_update_every * USEC_PER_SEC, loop_usec = 0, total_susec = 0; + struct timeval now, last, loop; + + RRDSET *check1, *check2, *check3, *apps_cpu = NULL; + + check1 = rrdset_create_localhost( + "netdata" + , "check1" + , NULL + , "netdata" + , NULL + , "Caller gives microseconds" + , "a million !" + , "checks.plugin" + , "" + , NETDATA_CHART_PRIO_CHECKS + , localhost->rrd_update_every + , RRDSET_TYPE_LINE + ); + + rrddim_add(check1, "absolute", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE); + rrddim_add(check1, "incremental", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + + check2 = rrdset_create_localhost( + "netdata" + , "check2" + , NULL + , "netdata" + , NULL + , "Netdata calcs microseconds" + , "a million !" + , "checks.plugin" + , "" + , NETDATA_CHART_PRIO_CHECKS + , localhost->rrd_update_every + , RRDSET_TYPE_LINE + ); + rrddim_add(check2, "absolute", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE); + rrddim_add(check2, "incremental", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); + + check3 = rrdset_create_localhost( + "netdata" + , "checkdt" + , NULL + , "netdata" + , NULL + , "Clock difference" + , "microseconds diff" + , "checks.plugin" + , "" + , NETDATA_CHART_PRIO_CHECKS + , localhost->rrd_update_every + , RRDSET_TYPE_LINE + ); + rrddim_add(check3, "caller", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); + rrddim_add(check3, "netdata", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); + rrddim_add(check3, "apps.plugin", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); + + now_realtime_timeval(&last); + while(!netdata_exit) { + usleep(susec); + + // find the time to sleep in order to wait exactly update_every seconds + now_realtime_timeval(&now); + loop_usec = dt_usec(&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 < (localhost->rrd_update_every * USEC_PER_SEC / 2ULL)) susec = (localhost->rrd_update_every * USEC_PER_SEC) - usec; + else susec = localhost->rrd_update_every * USEC_PER_SEC / 2ULL; + + // -------------------------------------------------------------------- + // Calculate loop time + + last.tv_sec = now.tv_sec; + last.tv_usec = now.tv_usec; + total_susec += loop_usec; + + // -------------------------------------------------------------------- + // 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); + + // -------------------------------------------------------------------- + // check chart 2 + + if(check2->counter_done) rrdset_next(check2); + rrddim_set(check2, "absolute", 1000000); + rrddim_set(check2, "incremental", total_susec); + rrdset_done(check2); + + // -------------------------------------------------------------------- + // check chart 3 + + if(!apps_cpu) apps_cpu = rrdset_find_localhost("apps.cpu"); + if(check3->counter_done) rrdset_next_usec(check3, loop_usec); + now_realtime_timeval(&loop); + rrddim_set(check3, "caller", (long long) dt_usec(&loop, &check1->last_collected_time)); + rrddim_set(check3, "netdata", (long long) dt_usec(&loop, &check2->last_collected_time)); + if(apps_cpu) rrddim_set(check3, "apps.plugin", (long long) dt_usec(&loop, &apps_cpu->last_collected_time)); + rrdset_done(check3); + } + + netdata_thread_cleanup_pop(1); + return NULL; +} + +#endif // NETDATA_INTERNAL_CHECKS diff --git a/collectors/checks.plugin/plugin_checks.h b/collectors/checks.plugin/plugin_checks.h new file mode 100644 index 0000000..9349476 --- /dev/null +++ b/collectors/checks.plugin/plugin_checks.h @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_PLUGIN_CHECKS_H +#define NETDATA_PLUGIN_CHECKS_H 1 + +#include "../../daemon/common.h" + +#ifdef NETDATA_INTERNAL_CHECKS + +#define NETDATA_PLUGIN_HOOK_CHECKS \ + { \ + .name = "PLUGIN[check]", \ + .config_section = CONFIG_SECTION_PLUGINS, \ + .config_name = "checks", \ + .enabled = 0, \ + .thread = NULL, \ + .init_routine = NULL, \ + .start_routine = checks_main \ + }, + +extern void *checks_main(void *ptr); + +#else // !NETDATA_INTERNAL_CHECKS + +#define NETDATA_PLUGIN_HOOK_CHECKS + +#endif // NETDATA_INTERNAL_CHECKS + +#endif // NETDATA_PLUGIN_CHECKS_H |