diff options
Diffstat (limited to 'collectors/ebpf.plugin/ebpf_fd.c')
| -rw-r--r-- | collectors/ebpf.plugin/ebpf_fd.c | 226 |
1 files changed, 219 insertions, 7 deletions
diff --git a/collectors/ebpf.plugin/ebpf_fd.c b/collectors/ebpf.plugin/ebpf_fd.c index d39e6ae20..214d2955d 100644 --- a/collectors/ebpf.plugin/ebpf_fd.c +++ b/collectors/ebpf.plugin/ebpf_fd.c @@ -57,6 +57,10 @@ netdata_ebpf_targets_t fd_targets[] = { {.name = "open", .mode = EBPF_LOAD_TRAMP {.name = "close", .mode = EBPF_LOAD_TRAMPOLINE}, {.name = NULL, .mode = EBPF_LOAD_TRAMPOLINE}}; +#ifdef NETDATA_DEV_MODE +int fd_disable_priority; +#endif + #ifdef LIBBPF_MAJOR_VERSION /** * Disable probe @@ -326,7 +330,7 @@ static inline int ebpf_fd_load_and_attach(struct fd_bpf *obj, ebpf_module_t *em) netdata_ebpf_program_loaded_t test = mt[NETDATA_FD_SYSCALL_OPEN].mode; if (ebpf_fd_set_target_values()) { - error("%s file descriptor.", NETDATA_EBPF_DEFAULT_FNT_NOT_FOUND); + netdata_log_error("%s file descriptor.", NETDATA_EBPF_DEFAULT_FNT_NOT_FOUND); return -1; } @@ -369,6 +373,170 @@ static inline int ebpf_fd_load_and_attach(struct fd_bpf *obj, ebpf_module_t *em) * *****************************************************************/ +static void ebpf_obsolete_specific_fd_charts(char *type, ebpf_module_t *em); + +/** + * Obsolete services + * + * Obsolete all service charts created + * + * @param em a pointer to `struct ebpf_module` + */ +static void ebpf_obsolete_fd_services(ebpf_module_t *em) +{ + ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, + NETDATA_SYSCALL_APPS_FILE_OPEN, + "Number of open files", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_APPS_FILE_CGROUP_GROUP, + NETDATA_EBPF_CHART_TYPE_STACKED, + NETDATA_CGROUP_FD_OPEN_CONTEXT, + 20061, + em->update_every); + + if (em->mode < MODE_ENTRY) { + ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, + NETDATA_SYSCALL_APPS_FILE_OPEN_ERROR, + "Fails to open files", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_APPS_FILE_CGROUP_GROUP, + NETDATA_EBPF_CHART_TYPE_STACKED, + NETDATA_CGROUP_FD_OPEN_ERR_CONTEXT, + 20062, + em->update_every); + } + + ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, + NETDATA_SYSCALL_APPS_FILE_CLOSED, + "Files closed", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_APPS_FILE_CGROUP_GROUP, + NETDATA_EBPF_CHART_TYPE_STACKED, + NETDATA_CGROUP_FD_CLOSE_CONTEXT, + 20063, + em->update_every); + + if (em->mode < MODE_ENTRY) { + ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, + NETDATA_SYSCALL_APPS_FILE_CLOSE_ERROR, + "Fails to close files", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_APPS_FILE_CGROUP_GROUP, + NETDATA_EBPF_CHART_TYPE_STACKED, + NETDATA_CGROUP_FD_CLOSE_ERR_CONTEXT, + 20064, + 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_fd_cgroup_charts(ebpf_module_t *em) { + pthread_mutex_lock(&mutex_cgroup_shm); + + ebpf_obsolete_fd_services(em); + + ebpf_cgroup_target_t *ect; + for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { + if (ect->systemd) + continue; + + ebpf_obsolete_specific_fd_charts(ect->name, em); + } + 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_fd_apps_charts(struct ebpf_module *em) +{ + ebpf_write_chart_obsolete(NETDATA_APPS_FAMILY, + NETDATA_SYSCALL_APPS_FILE_OPEN, + "Number of open files", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_APPS_FILE_GROUP, + NETDATA_EBPF_CHART_TYPE_STACKED, + NULL, + 20061, + em->update_every); + + if (em->mode < MODE_ENTRY) { + ebpf_write_chart_obsolete(NETDATA_APPS_FAMILY, + NETDATA_SYSCALL_APPS_FILE_OPEN_ERROR, + "Fails to open files", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_APPS_FILE_GROUP, + NETDATA_EBPF_CHART_TYPE_STACKED, + NULL, + 20062, + em->update_every); + } + + ebpf_write_chart_obsolete(NETDATA_APPS_FAMILY, + NETDATA_SYSCALL_APPS_FILE_CLOSED, + "Files closed", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_APPS_FILE_GROUP, + NETDATA_EBPF_CHART_TYPE_STACKED, + NULL, + 20063, + em->update_every); + + if (em->mode < MODE_ENTRY) { + ebpf_write_chart_obsolete(NETDATA_APPS_FAMILY, + NETDATA_SYSCALL_APPS_FILE_CLOSE_ERROR, + "Fails to close files", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_APPS_FILE_GROUP, + NETDATA_EBPF_CHART_TYPE_STACKED, + NULL, + 20064, + em->update_every); + } +} + +/** + * Obsolete global + * + * Obsolete global charts created by thread. + * + * @param em a pointer to `struct ebpf_module` + */ +static void ebpf_obsolete_fd_global(ebpf_module_t *em) +{ + ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, + NETDATA_FILE_OPEN_CLOSE_COUNT, + "Open and close calls", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_FILE_GROUP, + NETDATA_EBPF_CHART_TYPE_LINE, + NULL, + NETDATA_CHART_PRIO_EBPF_FD_CHARTS, + em->update_every); + + if (em->mode < MODE_ENTRY) { + ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, + NETDATA_FILE_OPEN_ERR_COUNT, + "Open fails", + EBPF_COMMON_DIMENSION_CALL, + NETDATA_FILE_GROUP, + NETDATA_EBPF_CHART_TYPE_LINE, + NULL, + NETDATA_CHART_PRIO_EBPF_FD_CHARTS + 1, + em->update_every); + } +} + /** * FD Exit * @@ -380,15 +548,46 @@ static void ebpf_fd_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_fd_cgroup_charts(em); + fflush(stdout); + } + + if (em->apps_charts & NETDATA_EBPF_APPS_FLAG_CHART_CREATED) { + ebpf_obsolete_fd_apps_charts(em); + } + + ebpf_obsolete_fd_global(em); + +#ifdef NETDATA_DEV_MODE + if (ebpf_aral_fd_pid) + ebpf_statistic_obsolete_aral_chart(em, fd_disable_priority); +#endif + + + 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 (fd_bpf_obj) + if (fd_bpf_obj) { fd_bpf__destroy(fd_bpf_obj); + fd_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); } @@ -935,7 +1134,9 @@ static void fd_collector(ebpf_module_t *em) int update_every = em->update_every; 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) @@ -968,6 +1169,15 @@ static void fd_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); } } @@ -1066,6 +1276,8 @@ static void ebpf_create_fd_global_charts(ebpf_module_t *em) NETDATA_FD_SYSCALL_END, em->update_every, NETDATA_EBPF_MODULE_NAME_FD); } + + fflush(stdout); } /***************************************************************** @@ -1125,7 +1337,7 @@ static int ebpf_fd_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; } @@ -1165,10 +1377,10 @@ void *ebpf_fd_thread(void *ptr) pthread_mutex_lock(&lock); ebpf_create_fd_global_charts(em); 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); #ifdef NETDATA_DEV_MODE if (ebpf_aral_fd_pid) - ebpf_statistic_create_aral_chart(NETDATA_EBPF_FD_ARAL_NAME, em); + fd_disable_priority = ebpf_statistic_create_aral_chart(NETDATA_EBPF_FD_ARAL_NAME, em); #endif pthread_mutex_unlock(&lock); |