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- // SPDX-License-Identifier: GPL-3.0-or-later
- #include <sys/resource.h>
- #include "ebpf.h"
- #include "ebpf_process.h"
- /*****************************************************************
- *
- * GLOBAL VARIABLES
- *
- *****************************************************************/
- static char *process_dimension_names[NETDATA_KEY_PUBLISH_PROCESS_END] = { "process", "task", "process", "thread" };
- static char *process_id_names[NETDATA_KEY_PUBLISH_PROCESS_END] = { "do_exit", "release_task", "_do_fork", "sys_clone" };
- static char *status[] = { "process", "zombie" };
- static ebpf_local_maps_t process_maps[] = {{.name = "tbl_pid_stats", .internal_input = ND_EBPF_DEFAULT_PID_SIZE,
- .user_input = 0,
- .type = NETDATA_EBPF_MAP_RESIZABLE | NETDATA_EBPF_MAP_PID,
- .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED},
- {.name = "tbl_total_stats", .internal_input = NETDATA_KEY_END_VECTOR,
- .user_input = 0, .type = NETDATA_EBPF_MAP_STATIC,
- .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED},
- {.name = "process_ctrl", .internal_input = NETDATA_CONTROLLER_END,
- .user_input = 0,
- .type = NETDATA_EBPF_MAP_CONTROLLER,
- .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED},
- {.name = NULL, .internal_input = 0, .user_input = 0,
- .type = NETDATA_EBPF_MAP_CONTROLLER,
- .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED}};
- char *tracepoint_sched_type = { "sched" } ;
- char *tracepoint_sched_process_exit = { "sched_process_exit" };
- char *tracepoint_sched_process_exec = { "sched_process_exec" };
- char *tracepoint_sched_process_fork = { "sched_process_fork" };
- static int was_sched_process_exit_enabled = 0;
- static int was_sched_process_exec_enabled = 0;
- static int was_sched_process_fork_enabled = 0;
- static netdata_idx_t *process_hash_values = NULL;
- static netdata_syscall_stat_t process_aggregated_data[NETDATA_KEY_PUBLISH_PROCESS_END];
- static netdata_publish_syscall_t process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_END];
- int process_enabled = 0;
- bool publish_internal_metrics = true;
- struct config process_config = { .first_section = NULL,
- .last_section = NULL,
- .mutex = NETDATA_MUTEX_INITIALIZER,
- .index = { .avl_tree = { .root = NULL, .compar = appconfig_section_compare },
- .rwlock = AVL_LOCK_INITIALIZER } };
- static char *threads_stat[NETDATA_EBPF_THREAD_STAT_END] = {"total", "running"};
- static char *load_event_stat[NETDATA_EBPF_LOAD_STAT_END] = {"legacy", "co-re"};
- static char *memlock_stat = {"memory_locked"};
- static char *hash_table_stat = {"hash_table"};
- /*****************************************************************
- *
- * PROCESS DATA AND SEND TO NETDATA
- *
- *****************************************************************/
- /**
- * Update publish structure before to send data to Netdata.
- *
- * @param publish the first output structure with independent dimensions
- * @param pvc the second output structure with correlated dimensions
- * @param input the structure with the input data.
- */
- static void ebpf_update_global_publish(netdata_publish_syscall_t *publish, netdata_publish_vfs_common_t *pvc,
- netdata_syscall_stat_t *input)
- {
- netdata_publish_syscall_t *move = publish;
- int selector = NETDATA_KEY_PUBLISH_PROCESS_EXIT;
- while (move) {
- move->ncall = (input->call > move->pcall) ? input->call - move->pcall : move->pcall - input->call;
- move->nbyte = (input->bytes > move->pbyte) ? input->bytes - move->pbyte : move->pbyte - input->bytes;
- move->nerr = (input->ecall > move->nerr) ? input->ecall - move->perr : move->perr - input->ecall;
- move->pcall = input->call;
- move->pbyte = input->bytes;
- move->perr = input->ecall;
- input = input->next;
- move = move->next;
- selector++;
- }
- pvc->running = (long)publish[NETDATA_KEY_PUBLISH_PROCESS_FORK].ncall -
- (long)publish[NETDATA_KEY_PUBLISH_PROCESS_CLONE].ncall;
- publish[NETDATA_KEY_PUBLISH_PROCESS_RELEASE_TASK].ncall = -publish[NETDATA_KEY_PUBLISH_PROCESS_RELEASE_TASK].ncall;
- pvc->zombie = (long)publish[NETDATA_KEY_PUBLISH_PROCESS_EXIT].ncall +
- (long)publish[NETDATA_KEY_PUBLISH_PROCESS_RELEASE_TASK].ncall;
- }
- /**
- * Call the necessary functions to create a chart.
- *
- * @param family the chart family
- * @param move the pointer with the values that will be published
- */
- static void write_status_chart(char *family, netdata_publish_vfs_common_t *pvc)
- {
- write_begin_chart(family, NETDATA_PROCESS_STATUS_NAME);
- write_chart_dimension(status[0], (long long)pvc->running);
- write_chart_dimension(status[1], (long long)pvc->zombie);
- write_end_chart();
- }
- /**
- * Send data to Netdata calling auxiliary functions.
- *
- * @param em the structure with thread information
- */
- static void ebpf_process_send_data(ebpf_module_t *em)
- {
- netdata_publish_vfs_common_t pvc;
- ebpf_update_global_publish(process_publish_aggregated, &pvc, process_aggregated_data);
- write_count_chart(NETDATA_EXIT_SYSCALL, NETDATA_EBPF_SYSTEM_GROUP,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_EXIT], 2);
- write_count_chart(NETDATA_PROCESS_SYSCALL, NETDATA_EBPF_SYSTEM_GROUP,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_FORK], 2);
- write_status_chart(NETDATA_EBPF_SYSTEM_GROUP, &pvc);
- if (em->mode < MODE_ENTRY) {
- write_err_chart(NETDATA_PROCESS_ERROR_NAME, NETDATA_EBPF_SYSTEM_GROUP,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_FORK], 2);
- }
- }
- /**
- * Sum values for pid
- *
- * @param root the structure with all available PIDs
- * @param offset the address that we are reading
- *
- * @return it returns the sum of all PIDs
- */
- long long ebpf_process_sum_values_for_pids(struct ebpf_pid_on_target *root, size_t offset)
- {
- long long ret = 0;
- while (root) {
- int32_t pid = root->pid;
- ebpf_process_stat_t *w = global_process_stats[pid];
- if (w) {
- uint32_t *value = (uint32_t *)((char *)w + offset);
- ret += *value;
- }
- root = root->next;
- }
- return ret;
- }
- /**
- * Remove process pid
- *
- * Remove from PID task table when task_release was called.
- */
- void ebpf_process_remove_pids()
- {
- struct ebpf_pid_stat *pids = ebpf_root_of_pids;
- int pid_fd = process_maps[NETDATA_PROCESS_PID_TABLE].map_fd;
- while (pids) {
- uint32_t pid = pids->pid;
- ebpf_process_stat_t *w = global_process_stats[pid];
- if (w) {
- ebpf_process_stat_release(w);
- global_process_stats[pid] = NULL;
- bpf_map_delete_elem(pid_fd, &pid);
- }
- pids = pids->next;
- }
- }
- /**
- * Send data to Netdata calling auxiliary functions.
- *
- * @param root the target list.
- */
- void ebpf_process_send_apps_data(struct ebpf_target *root, ebpf_module_t *em)
- {
- struct ebpf_target *w;
- collected_number value;
- write_begin_chart(NETDATA_APPS_FAMILY, NETDATA_SYSCALL_APPS_TASK_PROCESS);
- for (w = root; w; w = w->next) {
- if (unlikely(w->exposed && w->processes)) {
- value = ebpf_process_sum_values_for_pids(w->root_pid, offsetof(ebpf_process_stat_t, create_process));
- write_chart_dimension(w->name, value);
- }
- }
- write_end_chart();
- write_begin_chart(NETDATA_APPS_FAMILY, NETDATA_SYSCALL_APPS_TASK_THREAD);
- for (w = root; w; w = w->next) {
- if (unlikely(w->exposed && w->processes)) {
- value = ebpf_process_sum_values_for_pids(w->root_pid, offsetof(ebpf_process_stat_t, create_thread));
- write_chart_dimension(w->name, value);
- }
- }
- write_end_chart();
- write_begin_chart(NETDATA_APPS_FAMILY, NETDATA_SYSCALL_APPS_TASK_EXIT);
- for (w = root; w; w = w->next) {
- if (unlikely(w->exposed && w->processes)) {
- value = ebpf_process_sum_values_for_pids(w->root_pid, offsetof(ebpf_process_stat_t,
- exit_call));
- write_chart_dimension(w->name, value);
- }
- }
- write_end_chart();
- write_begin_chart(NETDATA_APPS_FAMILY, NETDATA_SYSCALL_APPS_TASK_CLOSE);
- for (w = root; w; w = w->next) {
- if (unlikely(w->exposed && w->processes)) {
- value = ebpf_process_sum_values_for_pids(w->root_pid, offsetof(ebpf_process_stat_t,
- release_call));
- write_chart_dimension(w->name, value);
- }
- }
- write_end_chart();
- if (em->mode < MODE_ENTRY) {
- write_begin_chart(NETDATA_APPS_FAMILY, NETDATA_SYSCALL_APPS_TASK_ERROR);
- for (w = root; w; w = w->next) {
- if (unlikely(w->exposed && w->processes)) {
- value = ebpf_process_sum_values_for_pids(w->root_pid, offsetof(ebpf_process_stat_t,
- task_err));
- write_chart_dimension(w->name, value);
- }
- }
- write_end_chart();
- }
- ebpf_process_remove_pids();
- }
- /*****************************************************************
- *
- * READ INFORMATION FROM KERNEL RING
- *
- *****************************************************************/
- /**
- * Read the hash table and store data to allocated vectors.
- */
- static void read_hash_global_tables()
- {
- uint64_t idx;
- netdata_idx_t res[NETDATA_KEY_END_VECTOR];
- netdata_idx_t *val = process_hash_values;
- int fd = process_maps[NETDATA_PROCESS_GLOBAL_TABLE].map_fd;
- for (idx = 0; idx < NETDATA_KEY_END_VECTOR; idx++) {
- if (!bpf_map_lookup_elem(fd, &idx, val)) {
- uint64_t total = 0;
- int i;
- int end = ebpf_nprocs;
- for (i = 0; i < end; i++)
- total += val[i];
- res[idx] = total;
- } else {
- res[idx] = 0;
- }
- }
- process_aggregated_data[NETDATA_KEY_PUBLISH_PROCESS_EXIT].call = res[NETDATA_KEY_CALLS_DO_EXIT];
- process_aggregated_data[NETDATA_KEY_PUBLISH_PROCESS_RELEASE_TASK].call = res[NETDATA_KEY_CALLS_RELEASE_TASK];
- process_aggregated_data[NETDATA_KEY_PUBLISH_PROCESS_FORK].call = res[NETDATA_KEY_CALLS_DO_FORK];
- process_aggregated_data[NETDATA_KEY_PUBLISH_PROCESS_CLONE].call = res[NETDATA_KEY_CALLS_SYS_CLONE];
- process_aggregated_data[NETDATA_KEY_PUBLISH_PROCESS_FORK].ecall = res[NETDATA_KEY_ERROR_DO_FORK];
- process_aggregated_data[NETDATA_KEY_PUBLISH_PROCESS_CLONE].ecall = res[NETDATA_KEY_ERROR_SYS_CLONE];
- }
- /**
- * Update cgroup
- *
- * Update cgroup data based in
- */
- static void ebpf_update_process_cgroup()
- {
- ebpf_cgroup_target_t *ect ;
- int pid_fd = process_maps[NETDATA_PROCESS_PID_TABLE].map_fd;
- pthread_mutex_lock(&mutex_cgroup_shm);
- for (ect = ebpf_cgroup_pids; ect; ect = ect->next) {
- struct pid_on_target2 *pids;
- for (pids = ect->pids; pids; pids = pids->next) {
- int pid = pids->pid;
- ebpf_process_stat_t *out = &pids->ps;
- if (global_process_stats[pid]) {
- ebpf_process_stat_t *in = global_process_stats[pid];
- memcpy(out, in, sizeof(ebpf_process_stat_t));
- } else {
- if (bpf_map_lookup_elem(pid_fd, &pid, out)) {
- memset(out, 0, sizeof(ebpf_process_stat_t));
- }
- }
- }
- }
- pthread_mutex_unlock(&mutex_cgroup_shm);
- }
- /*****************************************************************
- *
- * FUNCTIONS TO CREATE CHARTS
- *
- *****************************************************************/
- /**
- * Create process status chart
- *
- * @param family the chart family
- * @param name the chart name
- * @param axis the axis label
- * @param web the group name used to attach the chart on dashboard
- * @param order the order number of the specified chart
- * @param update_every value to overwrite the update frequency set by the server.
- */
- static void ebpf_process_status_chart(char *family, char *name, char *axis,
- char *web, char *algorithm, int order, int update_every)
- {
- printf("CHART %s.%s '' 'Process not closed' '%s' '%s' '' line %d %d '' 'ebpf.plugin' 'process'\n",
- family,
- name,
- axis,
- web,
- order,
- update_every);
- printf("DIMENSION %s '' %s 1 1\n", status[0], algorithm);
- printf("DIMENSION %s '' %s 1 1\n", status[1], algorithm);
- }
- /**
- * Create global charts
- *
- * Call ebpf_create_chart to create the charts for the collector.
- *
- * @param em a pointer to the structure with the default values.
- */
- static void ebpf_create_global_charts(ebpf_module_t *em)
- {
- ebpf_create_chart(NETDATA_EBPF_SYSTEM_GROUP,
- NETDATA_PROCESS_SYSCALL,
- "Start process",
- EBPF_COMMON_DIMENSION_CALL,
- NETDATA_PROCESS_GROUP,
- NULL,
- NETDATA_EBPF_CHART_TYPE_LINE,
- 21002,
- ebpf_create_global_dimension,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_FORK],
- 2, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_create_chart(NETDATA_EBPF_SYSTEM_GROUP,
- NETDATA_EXIT_SYSCALL,
- "Exit process",
- EBPF_COMMON_DIMENSION_CALL,
- NETDATA_PROCESS_GROUP,
- NULL,
- NETDATA_EBPF_CHART_TYPE_LINE,
- 21003,
- ebpf_create_global_dimension,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_EXIT],
- 2, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_process_status_chart(NETDATA_EBPF_SYSTEM_GROUP,
- NETDATA_PROCESS_STATUS_NAME,
- EBPF_COMMON_DIMENSION_DIFFERENCE,
- NETDATA_PROCESS_GROUP,
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX],
- 21004, em->update_every);
- if (em->mode < MODE_ENTRY) {
- ebpf_create_chart(NETDATA_EBPF_SYSTEM_GROUP,
- NETDATA_PROCESS_ERROR_NAME,
- "Fails to create process",
- EBPF_COMMON_DIMENSION_CALL,
- NETDATA_PROCESS_GROUP,
- NULL,
- NETDATA_EBPF_CHART_TYPE_LINE,
- 21005,
- ebpf_create_global_dimension,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_FORK],
- 2, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- }
- }
- /**
- * Create chart for Statistic Thread
- *
- * Write to standard output current values for threads.
- *
- * @param em a pointer to the structure with the default values.
- */
- static inline void ebpf_create_statistic_thread_chart(ebpf_module_t *em)
- {
- ebpf_write_chart_cmd(NETDATA_MONITORING_FAMILY,
- NETDATA_EBPF_THREADS,
- "Threads info.",
- "threads",
- NETDATA_EBPF_FAMILY,
- NETDATA_EBPF_CHART_TYPE_LINE,
- NULL,
- 140000,
- em->update_every,
- NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_write_global_dimension(threads_stat[NETDATA_EBPF_THREAD_STAT_TOTAL],
- threads_stat[NETDATA_EBPF_THREAD_STAT_TOTAL],
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX]);
- ebpf_write_global_dimension(threads_stat[NETDATA_EBPF_THREAD_STAT_RUNNING],
- threads_stat[NETDATA_EBPF_THREAD_STAT_RUNNING],
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX]);
- }
- /**
- * Create chart for Load Thread
- *
- * Write to standard output current values for load mode.
- *
- * @param em a pointer to the structure with the default values.
- */
- static inline void ebpf_create_statistic_load_chart(ebpf_module_t *em)
- {
- ebpf_write_chart_cmd(NETDATA_MONITORING_FAMILY,
- NETDATA_EBPF_LOAD_METHOD,
- "Load info.",
- "methods",
- NETDATA_EBPF_FAMILY,
- NETDATA_EBPF_CHART_TYPE_LINE,
- NULL,
- 140001,
- em->update_every,
- NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_write_global_dimension(load_event_stat[NETDATA_EBPF_LOAD_STAT_LEGACY],
- load_event_stat[NETDATA_EBPF_LOAD_STAT_LEGACY],
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX]);
- ebpf_write_global_dimension(load_event_stat[NETDATA_EBPF_LOAD_STAT_CORE],
- load_event_stat[NETDATA_EBPF_LOAD_STAT_CORE],
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX]);
- }
- /**
- * Create chart for Kernel Memory
- *
- * Write to standard output current values for allocated memory.
- *
- * @param em a pointer to the structure with the default values.
- */
- static inline void ebpf_create_statistic_kernel_memory(ebpf_module_t *em)
- {
- ebpf_write_chart_cmd(NETDATA_MONITORING_FAMILY,
- NETDATA_EBPF_KERNEL_MEMORY,
- "Memory allocated for hash tables.",
- "bytes",
- NETDATA_EBPF_FAMILY,
- NETDATA_EBPF_CHART_TYPE_LINE,
- NULL,
- 140002,
- em->update_every,
- NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_write_global_dimension(memlock_stat,
- memlock_stat,
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX]);
- }
- /**
- * Create chart Hash Table
- *
- * Write to standard output number of hash tables used with this software.
- *
- * @param em a pointer to the structure with the default values.
- */
- static inline void ebpf_create_statistic_hash_tables(ebpf_module_t *em)
- {
- ebpf_write_chart_cmd(NETDATA_MONITORING_FAMILY,
- NETDATA_EBPF_HASH_TABLES_LOADED,
- "Number of hash tables loaded.",
- "hash tables",
- NETDATA_EBPF_FAMILY,
- NETDATA_EBPF_CHART_TYPE_LINE,
- NULL,
- 140003,
- em->update_every,
- NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_write_global_dimension(hash_table_stat,
- hash_table_stat,
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX]);
- }
- /**
- * Update Internal Metric variable
- *
- * By default eBPF.plugin sends internal metrics for netdata, but user can
- * disable this.
- *
- * The function updates the variable used to send charts.
- */
- static void update_internal_metric_variable()
- {
- const char *s = getenv("NETDATA_INTERNALS_MONITORING");
- if (s && *s && strcmp(s, "NO") == 0)
- publish_internal_metrics = false;
- }
- /**
- * Create Statistics Charts
- *
- * Create charts that will show statistics related to eBPF plugin.
- *
- * @param em a pointer to the structure with the default values.
- */
- static void ebpf_create_statistic_charts(ebpf_module_t *em)
- {
- update_internal_metric_variable();
- if (!publish_internal_metrics)
- return;
- ebpf_create_statistic_thread_chart(em);
- ebpf_create_statistic_load_chart(em);
- ebpf_create_statistic_kernel_memory(em);
- ebpf_create_statistic_hash_tables(em);
- }
- /**
- * Create process apps charts
- *
- * Call ebpf_create_chart to create the charts on apps submenu.
- *
- * @param em a pointer to the structure with the default values.
- * @param ptr a pointer for the targets.
- */
- void ebpf_process_create_apps_charts(struct ebpf_module *em, void *ptr)
- {
- struct ebpf_target *root = ptr;
- ebpf_create_charts_on_apps(NETDATA_SYSCALL_APPS_TASK_PROCESS,
- "Process started",
- EBPF_COMMON_DIMENSION_CALL,
- NETDATA_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED,
- 20065,
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX],
- root, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_create_charts_on_apps(NETDATA_SYSCALL_APPS_TASK_THREAD,
- "Threads started",
- EBPF_COMMON_DIMENSION_CALL,
- NETDATA_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED,
- 20066,
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX],
- root, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_create_charts_on_apps(NETDATA_SYSCALL_APPS_TASK_EXIT,
- "Tasks starts exit process.",
- EBPF_COMMON_DIMENSION_CALL,
- NETDATA_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED,
- 20067,
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX],
- root, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_create_charts_on_apps(NETDATA_SYSCALL_APPS_TASK_CLOSE,
- "Tasks closed",
- EBPF_COMMON_DIMENSION_CALL,
- NETDATA_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED,
- 20068,
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX],
- root, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- if (em->mode < MODE_ENTRY) {
- ebpf_create_charts_on_apps(NETDATA_SYSCALL_APPS_TASK_ERROR,
- "Errors to create process or threads.",
- EBPF_COMMON_DIMENSION_CALL,
- NETDATA_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED,
- 20069,
- ebpf_algorithms[NETDATA_EBPF_ABSOLUTE_IDX],
- root,
- em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- }
- em->apps_charts |= NETDATA_EBPF_APPS_FLAG_CHART_CREATED;
- }
- /*****************************************************************
- *
- * FUNCTIONS TO CLOSE THE THREAD
- *
- *****************************************************************/
- /**
- * Process disable tracepoints
- *
- * Disable tracepoints when the plugin was responsible to enable it.
- */
- static void ebpf_process_disable_tracepoints()
- {
- char *default_message = { "Cannot disable the tracepoint" };
- if (!was_sched_process_exit_enabled) {
- if (ebpf_disable_tracing_values(tracepoint_sched_type, tracepoint_sched_process_exit))
- error("%s %s/%s.", default_message, tracepoint_sched_type, tracepoint_sched_process_exit);
- }
- if (!was_sched_process_exec_enabled) {
- if (ebpf_disable_tracing_values(tracepoint_sched_type, tracepoint_sched_process_exec))
- error("%s %s/%s.", default_message, tracepoint_sched_type, tracepoint_sched_process_exec);
- }
- if (!was_sched_process_fork_enabled) {
- if (ebpf_disable_tracing_values(tracepoint_sched_type, tracepoint_sched_process_fork))
- error("%s %s/%s.", default_message, tracepoint_sched_type, tracepoint_sched_process_fork);
- }
- }
- /**
- * Process Exit
- *
- * Cancel child thread.
- *
- * @param ptr thread data.
- */
- static void ebpf_process_exit(void *ptr)
- {
- ebpf_module_t *em = (ebpf_module_t *)ptr;
- freez(process_hash_values);
- ebpf_process_disable_tracepoints();
- pthread_mutex_lock(&ebpf_exit_cleanup);
- process_pid_fd = -1;
- em->enabled = NETDATA_THREAD_EBPF_STOPPED;
- pthread_mutex_unlock(&ebpf_exit_cleanup);
- }
- /*****************************************************************
- *
- * FUNCTIONS WITH THE MAIN LOOP
- *
- *****************************************************************/
- /**
- * Sum PIDs
- *
- * Sum values for all targets.
- *
- * @param ps structure used to store data
- * @param pids input data
- */
- static void ebpf_process_sum_cgroup_pids(ebpf_process_stat_t *ps, struct pid_on_target2 *pids)
- {
- ebpf_process_stat_t accumulator;
- memset(&accumulator, 0, sizeof(accumulator));
- while (pids) {
- ebpf_process_stat_t *ps = &pids->ps;
- accumulator.exit_call += ps->exit_call;
- accumulator.release_call += ps->release_call;
- accumulator.create_process += ps->create_process;
- accumulator.create_thread += ps->create_thread;
- accumulator.task_err += ps->task_err;
- pids = pids->next;
- }
- ps->exit_call = (accumulator.exit_call >= ps->exit_call) ? accumulator.exit_call : ps->exit_call;
- ps->release_call = (accumulator.release_call >= ps->release_call) ? accumulator.release_call : ps->release_call;
- ps->create_process = (accumulator.create_process >= ps->create_process) ? accumulator.create_process : ps->create_process;
- ps->create_thread = (accumulator.create_thread >= ps->create_thread) ? accumulator.create_thread : ps->create_thread;
- ps->task_err = (accumulator.task_err >= ps->task_err) ? accumulator.task_err : ps->task_err;
- }
- /*
- * Send Specific Process data
- *
- * Send data for specific cgroup/apps.
- *
- * @param type chart type
- * @param values structure with values that will be sent to netdata
- * @param em the structure with thread information
- */
- static void ebpf_send_specific_process_data(char *type, ebpf_process_stat_t *values, ebpf_module_t *em)
- {
- write_begin_chart(type, NETDATA_SYSCALL_APPS_TASK_PROCESS);
- write_chart_dimension(process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_FORK].name,
- (long long) values->create_process);
- write_end_chart();
- write_begin_chart(type, NETDATA_SYSCALL_APPS_TASK_THREAD);
- write_chart_dimension(process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_CLONE].name,
- (long long) values->create_thread);
- write_end_chart();
- write_begin_chart(type, NETDATA_SYSCALL_APPS_TASK_EXIT);
- write_chart_dimension(process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_EXIT].name,
- (long long) values->release_call);
- write_end_chart();
- write_begin_chart(type, NETDATA_SYSCALL_APPS_TASK_CLOSE);
- write_chart_dimension(process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_RELEASE_TASK].name,
- (long long) values->release_call);
- write_end_chart();
- if (em->mode < MODE_ENTRY) {
- write_begin_chart(type, NETDATA_SYSCALL_APPS_TASK_ERROR);
- write_chart_dimension(process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_EXIT].name,
- (long long) values->task_err);
- write_end_chart();
- }
- }
- /**
- * Create specific process charts
- *
- * Create charts for cgroup/application
- *
- * @param type the chart type.
- * @param em the structure with thread information
- */
- static void ebpf_create_specific_process_charts(char *type, ebpf_module_t *em)
- {
- ebpf_create_chart(type, NETDATA_SYSCALL_APPS_TASK_PROCESS, "Process started",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_CGROUP_GROUP,
- NETDATA_CGROUP_PROCESS_CREATE_CONTEXT, NETDATA_EBPF_CHART_TYPE_LINE,
- NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5000,
- ebpf_create_global_dimension, &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_FORK],
- 1, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_create_chart(type, NETDATA_SYSCALL_APPS_TASK_THREAD, "Threads started",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_CGROUP_GROUP,
- NETDATA_CGROUP_THREAD_CREATE_CONTEXT, NETDATA_EBPF_CHART_TYPE_LINE,
- NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5001,
- ebpf_create_global_dimension,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_CLONE],
- 1, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_create_chart(type, NETDATA_SYSCALL_APPS_TASK_EXIT, "Tasks starts exit process.",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_CGROUP_GROUP,
- NETDATA_CGROUP_PROCESS_EXIT_CONTEXT,
- NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5002,
- ebpf_create_global_dimension,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_EXIT],
- 1, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- ebpf_create_chart(type, NETDATA_SYSCALL_APPS_TASK_CLOSE, "Tasks closed",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_CGROUP_GROUP,
- NETDATA_CGROUP_PROCESS_CLOSE_CONTEXT,
- NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5003,
- ebpf_create_global_dimension,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_RELEASE_TASK],
- 1, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- if (em->mode < MODE_ENTRY) {
- ebpf_create_chart(type, NETDATA_SYSCALL_APPS_TASK_ERROR, "Errors to create process or threads.",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_CGROUP_GROUP,
- NETDATA_CGROUP_PROCESS_ERROR_CONTEXT,
- NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5004,
- ebpf_create_global_dimension,
- &process_publish_aggregated[NETDATA_KEY_PUBLISH_PROCESS_EXIT],
- 1, em->update_every, NETDATA_EBPF_MODULE_NAME_PROCESS);
- }
- }
- /**
- * Obsolete specific process charts
- *
- * Obsolete charts for cgroup/application
- *
- * @param type the chart type.
- * @param em the structure with thread information
- */
- static void ebpf_obsolete_specific_process_charts(char *type, ebpf_module_t *em)
- {
- ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_TASK_PROCESS, "Process started",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_GROUP, NETDATA_EBPF_CHART_TYPE_LINE,
- NETDATA_CGROUP_PROCESS_CREATE_CONTEXT, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5000,
- em->update_every);
- ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_TASK_THREAD, "Threads started",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_GROUP, NETDATA_EBPF_CHART_TYPE_LINE,
- NETDATA_CGROUP_THREAD_CREATE_CONTEXT, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5001,
- em->update_every);
- ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_TASK_EXIT,"Tasks starts exit process.",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_GROUP, NETDATA_EBPF_CHART_TYPE_LINE,
- NETDATA_CGROUP_PROCESS_EXIT_CONTEXT, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5002,
- em->update_every);
- ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_TASK_CLOSE,"Tasks closed",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_GROUP, NETDATA_EBPF_CHART_TYPE_LINE,
- NETDATA_CGROUP_PROCESS_CLOSE_CONTEXT, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5003,
- em->update_every);
- if (em->mode < MODE_ENTRY) {
- ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_TASK_ERROR,"Errors to create process or threads.",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_PROCESS_GROUP, NETDATA_EBPF_CHART_TYPE_LINE,
- NETDATA_CGROUP_PROCESS_ERROR_CONTEXT, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5004,
- em->update_every);
- }
- }
- /**
- * Create Systemd process Charts
- *
- * Create charts when systemd is enabled
- *
- * @param em the structure with thread information
- **/
- static void ebpf_create_systemd_process_charts(ebpf_module_t *em)
- {
- ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_TASK_PROCESS, "Process started",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_APPS_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED, 20065,
- ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_PROCESS_CREATE_CONTEXT,
- NETDATA_EBPF_MODULE_NAME_PROCESS, em->update_every);
- ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_TASK_THREAD, "Threads started",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_APPS_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED, 20066,
- ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_THREAD_CREATE_CONTEXT,
- NETDATA_EBPF_MODULE_NAME_PROCESS, em->update_every);
- ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_TASK_CLOSE, "Tasks starts exit process.",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_APPS_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED, 20067,
- ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_PROCESS_EXIT_CONTEXT,
- NETDATA_EBPF_MODULE_NAME_PROCESS, em->update_every);
- ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_TASK_EXIT, "Tasks closed",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_APPS_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED, 20068,
- ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_PROCESS_CLOSE_CONTEXT,
- NETDATA_EBPF_MODULE_NAME_PROCESS, em->update_every);
- if (em->mode < MODE_ENTRY) {
- ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_TASK_ERROR, "Errors to create process or threads.",
- EBPF_COMMON_DIMENSION_CALL, NETDATA_APPS_PROCESS_GROUP,
- NETDATA_EBPF_CHART_TYPE_STACKED, 20069,
- ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_PROCESS_ERROR_CONTEXT,
- NETDATA_EBPF_MODULE_NAME_PROCESS, em->update_every);
- }
- }
- /**
- * Send Systemd charts
- *
- * Send collected data to Netdata.
- *
- * @param em the structure with thread information
- */
- static void ebpf_send_systemd_process_charts(ebpf_module_t *em)
- {
- ebpf_cgroup_target_t *ect;
- write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_TASK_PROCESS);
- for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
- if (unlikely(ect->systemd) && unlikely(ect->updated)) {
- write_chart_dimension(ect->name, ect->publish_systemd_ps.create_process);
- }
- }
- write_end_chart();
- write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_TASK_THREAD);
- for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
- if (unlikely(ect->systemd) && unlikely(ect->updated)) {
- write_chart_dimension(ect->name, ect->publish_systemd_ps.create_thread);
- }
- }
- write_end_chart();
- write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_TASK_EXIT);
- for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
- if (unlikely(ect->systemd) && unlikely(ect->updated)) {
- write_chart_dimension(ect->name, ect->publish_systemd_ps.exit_call);
- }
- }
- write_end_chart();
- write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_TASK_CLOSE);
- for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
- if (unlikely(ect->systemd) && unlikely(ect->updated)) {
- write_chart_dimension(ect->name, ect->publish_systemd_ps.release_call);
- }
- }
- write_end_chart();
- if (em->mode < MODE_ENTRY) {
- write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_TASK_ERROR);
- for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
- if (unlikely(ect->systemd) && unlikely(ect->updated)) {
- write_chart_dimension(ect->name, ect->publish_systemd_ps.task_err);
- }
- }
- write_end_chart();
- }
- }
- /**
- * Send data to Netdata calling auxiliary functions.
- *
- * @param em the structure with thread information
- */
- static void ebpf_process_send_cgroup_data(ebpf_module_t *em)
- {
- if (!ebpf_cgroup_pids)
- return;
- pthread_mutex_lock(&mutex_cgroup_shm);
- ebpf_cgroup_target_t *ect;
- for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
- ebpf_process_sum_cgroup_pids(&ect->publish_systemd_ps, ect->pids);
- }
- int has_systemd = shm_ebpf_cgroup.header->systemd_enabled;
- if (has_systemd) {
- if (send_cgroup_chart) {
- ebpf_create_systemd_process_charts(em);
- }
- ebpf_send_systemd_process_charts(em);
- }
- for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) {
- if (ect->systemd)
- continue;
- if (!(ect->flags & NETDATA_EBPF_CGROUP_HAS_PROCESS_CHART) && ect->updated) {
- ebpf_create_specific_process_charts(ect->name, em);
- ect->flags |= NETDATA_EBPF_CGROUP_HAS_PROCESS_CHART;
- }
- if (ect->flags & NETDATA_EBPF_CGROUP_HAS_PROCESS_CHART) {
- if (ect->updated) {
- ebpf_send_specific_process_data(ect->name, &ect->publish_systemd_ps, em);
- } else {
- ebpf_obsolete_specific_process_charts(ect->name, em);
- ect->flags &= ~NETDATA_EBPF_CGROUP_HAS_PROCESS_CHART;
- }
- }
- }
- pthread_mutex_unlock(&mutex_cgroup_shm);
- }
- /**
- * Update Cgroup algorithm
- *
- * Change algorithm from absolute to incremental
- */
- void ebpf_process_update_cgroup_algorithm()
- {
- int i;
- for (i = 0; i < NETDATA_KEY_PUBLISH_PROCESS_END; i++) {
- netdata_publish_syscall_t *ptr = &process_publish_aggregated[i];
- ptr->algorithm = ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX];
- }
- }
- /**
- * Send Statistic Data
- *
- * Send statistic information to netdata.
- */
- void ebpf_send_statistic_data()
- {
- if (!publish_internal_metrics)
- return;
- write_begin_chart(NETDATA_MONITORING_FAMILY, NETDATA_EBPF_THREADS);
- write_chart_dimension(threads_stat[NETDATA_EBPF_THREAD_STAT_TOTAL], (long long)plugin_statistics.threads);
- write_chart_dimension(threads_stat[NETDATA_EBPF_THREAD_STAT_RUNNING], (long long)plugin_statistics.running);
- write_end_chart();
- write_begin_chart(NETDATA_MONITORING_FAMILY, NETDATA_EBPF_LOAD_METHOD);
- write_chart_dimension(load_event_stat[NETDATA_EBPF_LOAD_STAT_LEGACY], (long long)plugin_statistics.legacy);
- write_chart_dimension(load_event_stat[NETDATA_EBPF_LOAD_STAT_CORE], (long long)plugin_statistics.core);
- write_end_chart();
- write_begin_chart(NETDATA_MONITORING_FAMILY, NETDATA_EBPF_KERNEL_MEMORY);
- write_chart_dimension(memlock_stat, (long long)plugin_statistics.memlock_kern);
- write_end_chart();
- write_begin_chart(NETDATA_MONITORING_FAMILY, NETDATA_EBPF_HASH_TABLES_LOADED);
- write_chart_dimension(hash_table_stat, (long long)plugin_statistics.hash_tables);
- write_end_chart();
- }
- /**
- * Main loop for this collector.
- *
- * @param em the structure with thread information
- */
- static void process_collector(ebpf_module_t *em)
- {
- heartbeat_t hb;
- heartbeat_init(&hb);
- int publish_global = em->global_charts;
- int cgroups = em->cgroup_charts;
- pthread_mutex_lock(&ebpf_exit_cleanup);
- int thread_enabled = em->enabled;
- process_pid_fd = process_maps[NETDATA_PROCESS_PID_TABLE].map_fd;
- pthread_mutex_unlock(&ebpf_exit_cleanup);
- if (cgroups)
- ebpf_process_update_cgroup_algorithm();
- int update_every = em->update_every;
- int counter = update_every - 1;
- while (!ebpf_exit_plugin) {
- usec_t dt = heartbeat_next(&hb, USEC_PER_SEC);
- (void)dt;
- if (ebpf_exit_plugin)
- break;
- if (++counter == update_every) {
- counter = 0;
- read_hash_global_tables();
- netdata_apps_integration_flags_t apps_enabled = em->apps_charts;
- pthread_mutex_lock(&collect_data_mutex);
- if (ebpf_all_pids_count > 0) {
- if (cgroups && shm_ebpf_cgroup.header) {
- ebpf_update_process_cgroup();
- }
- }
- pthread_mutex_lock(&lock);
- ebpf_send_statistic_data();
- if (thread_enabled == NETDATA_THREAD_EBPF_RUNNING) {
- if (publish_global) {
- ebpf_process_send_data(em);
- }
- if (apps_enabled & NETDATA_EBPF_APPS_FLAG_CHART_CREATED) {
- ebpf_process_send_apps_data(apps_groups_root_target, em);
- }
- #ifdef NETDATA_DEV_MODE
- if (ebpf_aral_process_stat)
- ebpf_send_data_aral_chart(ebpf_aral_process_stat, em);
- #endif
- if (cgroups && shm_ebpf_cgroup.header) {
- ebpf_process_send_cgroup_data(em);
- }
- }
- pthread_mutex_unlock(&lock);
- pthread_mutex_unlock(&collect_data_mutex);
- }
- fflush(stdout);
- }
- }
- /*****************************************************************
- *
- * FUNCTIONS TO START THREAD
- *
- *****************************************************************/
- /**
- * Allocate vectors used with this thread.
- * We are not testing the return, because callocz does this and shutdown the software
- * case it was not possible to allocate.
- *
- * @param length is the length for the vectors used inside the collector.
- */
- static void ebpf_process_allocate_global_vectors(size_t length)
- {
- memset(process_aggregated_data, 0, length * sizeof(netdata_syscall_stat_t));
- memset(process_publish_aggregated, 0, length * sizeof(netdata_publish_syscall_t));
- process_hash_values = callocz(ebpf_nprocs, sizeof(netdata_idx_t));
- global_process_stats = callocz((size_t)pid_max, sizeof(ebpf_process_stat_t *));
- }
- static void change_syscalls()
- {
- static char *lfork = { "do_fork" };
- process_id_names[NETDATA_KEY_PUBLISH_PROCESS_FORK] = lfork;
- }
- /**
- * Set local variables
- *
- */
- static void set_local_pointers()
- {
- if (isrh >= NETDATA_MINIMUM_RH_VERSION && isrh < NETDATA_RH_8)
- change_syscalls();
- }
- /*****************************************************************
- *
- * EBPF PROCESS THREAD
- *
- *****************************************************************/
- /**
- * Enable tracepoints
- *
- * Enable necessary tracepoints for thread.
- *
- * @return It returns 0 on success and -1 otherwise
- */
- static int ebpf_process_enable_tracepoints()
- {
- int test = ebpf_is_tracepoint_enabled(tracepoint_sched_type, tracepoint_sched_process_exit);
- if (test == -1)
- return -1;
- else if (!test) {
- if (ebpf_enable_tracing_values(tracepoint_sched_type, tracepoint_sched_process_exit))
- return -1;
- }
- was_sched_process_exit_enabled = test;
- test = ebpf_is_tracepoint_enabled(tracepoint_sched_type, tracepoint_sched_process_exec);
- if (test == -1)
- return -1;
- else if (!test) {
- if (ebpf_enable_tracing_values(tracepoint_sched_type, tracepoint_sched_process_exec))
- return -1;
- }
- was_sched_process_exec_enabled = test;
- test = ebpf_is_tracepoint_enabled(tracepoint_sched_type, tracepoint_sched_process_fork);
- if (test == -1)
- return -1;
- else if (!test) {
- if (ebpf_enable_tracing_values(tracepoint_sched_type, tracepoint_sched_process_fork))
- return -1;
- }
- was_sched_process_fork_enabled = test;
- return 0;
- }
- /**
- * Process thread
- *
- * Thread used to generate process charts.
- *
- * @param ptr a pointer to `struct ebpf_module`
- *
- * @return It always return NULL
- */
- void *ebpf_process_thread(void *ptr)
- {
- netdata_thread_cleanup_push(ebpf_process_exit, ptr);
- ebpf_module_t *em = (ebpf_module_t *)ptr;
- em->maps = process_maps;
- pthread_mutex_lock(&ebpf_exit_cleanup);
- if (ebpf_process_enable_tracepoints()) {
- em->enabled = em->global_charts = em->apps_charts = em->cgroup_charts = NETDATA_THREAD_EBPF_STOPPING;
- }
- process_enabled = em->enabled;
- pthread_mutex_unlock(&ebpf_exit_cleanup);
- pthread_mutex_lock(&lock);
- ebpf_process_allocate_global_vectors(NETDATA_KEY_PUBLISH_PROCESS_END);
- ebpf_update_pid_table(&process_maps[0], em);
- set_local_pointers();
- em->probe_links = ebpf_load_program(ebpf_plugin_dir, em, running_on_kernel, isrh, &em->objects);
- if (!em->probe_links) {
- pthread_mutex_unlock(&lock);
- goto endprocess;
- }
- int algorithms[NETDATA_KEY_PUBLISH_PROCESS_END] = {
- NETDATA_EBPF_ABSOLUTE_IDX, NETDATA_EBPF_ABSOLUTE_IDX, NETDATA_EBPF_ABSOLUTE_IDX, NETDATA_EBPF_ABSOLUTE_IDX
- };
- ebpf_global_labels(
- process_aggregated_data, process_publish_aggregated, process_dimension_names, process_id_names,
- algorithms, NETDATA_KEY_PUBLISH_PROCESS_END);
- if (process_enabled == NETDATA_THREAD_EBPF_RUNNING) {
- ebpf_create_global_charts(em);
- }
- ebpf_update_stats(&plugin_statistics, em);
- ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps);
- #ifdef NETDATA_DEV_MODE
- if (ebpf_aral_process_stat)
- ebpf_statistic_create_aral_chart(NETDATA_EBPF_PROC_ARAL_NAME, em);
- #endif
- ebpf_create_statistic_charts(em);
- pthread_mutex_unlock(&lock);
- process_collector(em);
- endprocess:
- pthread_mutex_lock(&ebpf_exit_cleanup);
- if (em->enabled == NETDATA_THREAD_EBPF_RUNNING)
- ebpf_update_disabled_plugin_stats(em);
- pthread_mutex_unlock(&ebpf_exit_cleanup);
- netdata_thread_cleanup_pop(1);
- return NULL;
- }
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