diff options
Diffstat (limited to 'collectors/ebpf.plugin/ebpf_swap.c')
| -rw-r--r-- | collectors/ebpf.plugin/ebpf_swap.c | 151 |
1 files changed, 146 insertions, 5 deletions
diff --git a/collectors/ebpf.plugin/ebpf_swap.c b/collectors/ebpf.plugin/ebpf_swap.c index 492b59678..9a1640a35 100644 --- a/collectors/ebpf.plugin/ebpf_swap.c +++ b/collectors/ebpf.plugin/ebpf_swap.c @@ -229,6 +229,109 @@ static inline int ebpf_swap_load_and_attach(struct swap_bpf *obj, ebpf_module_t * *****************************************************************/ +static void ebpf_obsolete_specific_swap_charts(char *type, int update_every); + +/** + * Obsolete services + * + * Obsolete all service charts created + * + * @param em a pointer to `struct ebpf_module` + */ +static void ebpf_obsolete_swap_services(ebpf_module_t *em) +{ + ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, + NETDATA_MEM_SWAP_READ_CHART, + "Calls to function <code>swap_readpage</code>.", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU, + NETDATA_EBPF_CHART_TYPE_LINE, + NETDATA_CGROUP_SWAP_READ_CONTEXT, + NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5100, + em->update_every); + + ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, + NETDATA_MEM_SWAP_WRITE_CHART, + "Calls to function <code>swap_writepage</code>.", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_SYSTEM_CGROUP_SWAP_SUBMENU, + NETDATA_EBPF_CHART_TYPE_LINE, + NETDATA_CGROUP_SWAP_WRITE_CONTEXT, + NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5101, + em->update_every); +} + +/** + * Obsolete cgroup chart + * + * Send obsolete for all charts created before to close. + * + * @param em a pointer to `struct ebpf_module` + */ +static inline void ebpf_obsolete_swap_cgroup_charts(ebpf_module_t *em) { + pthread_mutex_lock(&mutex_cgroup_shm); + + ebpf_obsolete_swap_services(em); + + ebpf_cgroup_target_t *ect; + for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { + if (ect->systemd) + continue; + + ebpf_obsolete_specific_swap_charts(ect->name, em->update_every); + } + pthread_mutex_unlock(&mutex_cgroup_shm); +} + +/** + * Obsolette apps charts + * + * Obsolete apps charts. + * + * @param em a pointer to the structure with the default values. + */ +void ebpf_obsolete_swap_apps_charts(struct ebpf_module *em) +{ + ebpf_write_chart_obsolete(NETDATA_APPS_FAMILY, + NETDATA_MEM_SWAP_READ_CHART, + "Calls to function <code>swap_readpage</code>.", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_SWAP_SUBMENU, + NETDATA_EBPF_CHART_TYPE_STACKED, + NULL, + 20191, + em->update_every); + + ebpf_write_chart_obsolete(NETDATA_APPS_FAMILY, + NETDATA_MEM_SWAP_WRITE_CHART, + "Calls to function <code>swap_writepage</code>.", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_SWAP_SUBMENU, + NETDATA_EBPF_CHART_TYPE_STACKED, + NULL, + 20192, + em->update_every); +} + +/** + * Obsolete global + * + * Obsolete global charts created by thread. + * + * @param em a pointer to `struct ebpf_module` + */ +static void ebpf_obsolete_swap_global(ebpf_module_t *em) +{ + ebpf_write_chart_obsolete(NETDATA_EBPF_SYSTEM_GROUP, + NETDATA_MEM_SWAP_CHART, + "Calls to access swap memory", + EBPF_COMMON_DIMENSION_CALL, NETDATA_SYSTEM_SWAP_SUBMENU, + NETDATA_EBPF_CHART_TYPE_LINE, + NULL, + NETDATA_CHART_PRIO_SYSTEM_SWAP_CALLS, + em->update_every); +} + /** * Swap exit * @@ -240,15 +343,40 @@ static void ebpf_swap_exit(void *ptr) { ebpf_module_t *em = (ebpf_module_t *)ptr; + if (em->enabled == NETDATA_THREAD_EBPF_FUNCTION_RUNNING) { + pthread_mutex_lock(&lock); + if (em->cgroup_charts) { + ebpf_obsolete_swap_cgroup_charts(em); + fflush(stdout); + } + + if (em->apps_charts & NETDATA_EBPF_APPS_FLAG_CHART_CREATED) { + ebpf_obsolete_swap_apps_charts(em); + } + + ebpf_obsolete_swap_global(em); + + fflush(stdout); + pthread_mutex_unlock(&lock); + } + + ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps, EBPF_ACTION_STAT_REMOVE); + #ifdef LIBBPF_MAJOR_VERSION - if (bpf_obj) + if (bpf_obj) { swap_bpf__destroy(bpf_obj); + bpf_obj = NULL; + } #endif - if (em->objects) + if (em->objects) { ebpf_unload_legacy_code(em->objects, em->probe_links); + em->objects = NULL; + em->probe_links = NULL; + } pthread_mutex_lock(&ebpf_exit_cleanup); em->enabled = NETDATA_THREAD_EBPF_STOPPED; + ebpf_update_stats(&plugin_statistics, em); pthread_mutex_unlock(&ebpf_exit_cleanup); } @@ -674,7 +802,9 @@ static void swap_collector(ebpf_module_t *em) heartbeat_init(&hb); int counter = update_every - 1; int maps_per_core = em->maps_per_core; - while (!ebpf_exit_plugin) { + uint32_t running_time = 0; + uint32_t lifetime = em->lifetime; + while (!ebpf_exit_plugin && running_time < lifetime) { (void)heartbeat_next(&hb, USEC_PER_SEC); if (ebpf_exit_plugin || ++counter != update_every) continue; @@ -701,6 +831,15 @@ static void swap_collector(ebpf_module_t *em) pthread_mutex_unlock(&lock); pthread_mutex_unlock(&collect_data_mutex); + + pthread_mutex_lock(&ebpf_exit_cleanup); + if (running_time && !em->running_time) + running_time = update_every; + else + running_time += update_every; + + em->running_time = running_time; + pthread_mutex_unlock(&ebpf_exit_cleanup); } } @@ -784,6 +923,8 @@ static void ebpf_create_swap_charts(int update_every) ebpf_create_global_dimension, swap_publish_aggregated, NETDATA_SWAP_END, update_every, NETDATA_EBPF_MODULE_NAME_SWAP); + + fflush(stdout); } /* @@ -818,7 +959,7 @@ static int ebpf_swap_load_bpf(ebpf_module_t *em) #endif if (ret) - error("%s %s", EBPF_DEFAULT_ERROR_MSG, em->thread_name); + netdata_log_error("%s %s", EBPF_DEFAULT_ERROR_MSG, em->thread_name); return ret; } @@ -857,7 +998,7 @@ void *ebpf_swap_thread(void *ptr) pthread_mutex_lock(&lock); ebpf_create_swap_charts(em->update_every); ebpf_update_stats(&plugin_statistics, em); - ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps); + ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps, EBPF_ACTION_STAT_ADD); pthread_mutex_unlock(&lock); swap_collector(em); |