diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2022-11-30 18:47:05 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2022-11-30 18:47:05 +0000 |
commit | 97e01009d69b8fbebfebf68f51e3d126d0ed43fc (patch) | |
tree | 02e8b836c3a9d89806f3e67d4a5fe9f52dbb0061 /collectors/ebpf.plugin/ebpf.c | |
parent | Releasing debian version 1.36.1-1. (diff) | |
download | netdata-97e01009d69b8fbebfebf68f51e3d126d0ed43fc.tar.xz netdata-97e01009d69b8fbebfebf68f51e3d126d0ed43fc.zip |
Merging upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | collectors/ebpf.plugin/ebpf.c | 446 |
1 files changed, 309 insertions, 137 deletions
diff --git a/collectors/ebpf.plugin/ebpf.c b/collectors/ebpf.plugin/ebpf.c index 65c96f672..00b53a57d 100644 --- a/collectors/ebpf.plugin/ebpf.c +++ b/collectors/ebpf.plugin/ebpf.c @@ -27,177 +27,317 @@ struct config collector_config = { .first_section = NULL, int running_on_kernel = 0; int ebpf_nprocs; int isrh = 0; +int main_thread_id = 0; pthread_mutex_t lock; +pthread_mutex_t ebpf_exit_cleanup; pthread_mutex_t collect_data_mutex; pthread_cond_t collect_data_cond_var; ebpf_module_t ebpf_modules[] = { { .thread_name = "process", .config_name = "process", .enabled = 0, .start_routine = ebpf_process_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = ebpf_process_create_apps_charts, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &process_config, .config_file = NETDATA_PROCESS_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_10, - .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_10 | + NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "socket", .config_name = "socket", .enabled = 0, .start_routine = ebpf_socket_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = ebpf_socket_create_apps_charts, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &socket_config, .config_file = NETDATA_NETWORK_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = socket_targets, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = socket_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "cachestat", .config_name = "cachestat", .enabled = 0, .start_routine = ebpf_cachestat_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, - .apps_routine = ebpf_cachestat_create_apps_charts, .maps = NULL, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = ebpf_cachestat_create_apps_charts, .maps = cachestat_maps, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &cachestat_config, .config_file = NETDATA_CACHESTAT_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18| NETDATA_V5_4 | NETDATA_V5_15 | - NETDATA_V5_16, - .load = EBPF_LOAD_LEGACY, .targets = cachestat_targets, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18| + NETDATA_V5_4 | NETDATA_V5_14 | NETDATA_V5_15 | NETDATA_V5_16, + .load = EBPF_LOAD_LEGACY, .targets = cachestat_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "sync", .config_name = "sync", .enabled = 0, .start_routine = ebpf_sync_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, - .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &sync_config, + .apps_level = NETDATA_APPS_NOT_SET, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = NULL, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &sync_config, .config_file = NETDATA_SYNC_CONFIG_FILE, // All syscalls have the same kernels - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = sync_targets, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = sync_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "dc", .config_name = "dc", .enabled = 0, .start_routine = ebpf_dcstat_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, - .apps_routine = ebpf_dcstat_create_apps_charts, .maps = NULL, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = ebpf_dcstat_create_apps_charts, .maps = dcstat_maps, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &dcstat_config, .config_file = NETDATA_DIRECTORY_DCSTAT_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = dc_targets, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = dc_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "swap", .config_name = "swap", .enabled = 0, .start_routine = ebpf_swap_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = ebpf_swap_create_apps_charts, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &swap_config, .config_file = NETDATA_DIRECTORY_SWAP_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = swap_targets, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = swap_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "vfs", .config_name = "vfs", .enabled = 0, .start_routine = ebpf_vfs_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = ebpf_vfs_create_apps_charts, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &vfs_config, .config_file = NETDATA_DIRECTORY_VFS_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = vfs_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "filesystem", .config_name = "filesystem", .enabled = 0, .start_routine = ebpf_filesystem_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, - .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &fs_config, + .apps_level = NETDATA_APPS_NOT_SET, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = NULL, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &fs_config, .config_file = NETDATA_FILESYSTEM_CONFIG_FILE, //We are setting kernels as zero, because we load eBPF programs according the kernel running. - .kernels = 0, .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL }, + .kernels = 0, .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL }, { .thread_name = "disk", .config_name = "disk", .enabled = 0, .start_routine = ebpf_disk_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, - .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &disk_config, + .apps_level = NETDATA_APPS_NOT_SET, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = NULL, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &disk_config, .config_file = NETDATA_DISK_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "mount", .config_name = "mount", .enabled = 0, .start_routine = ebpf_mount_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, - .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &mount_config, + .apps_level = NETDATA_APPS_NOT_SET, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = NULL, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &mount_config, .config_file = NETDATA_MOUNT_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = mount_targets, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = mount_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "fd", .config_name = "fd", .enabled = 0, .start_routine = ebpf_fd_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = ebpf_fd_create_apps_charts, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &fd_config, .config_file = NETDATA_FD_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_11, - .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_11 | + NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = fd_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "hardirq", .config_name = "hardirq", .enabled = 0, .start_routine = ebpf_hardirq_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, - .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &hardirq_config, + .apps_level = NETDATA_APPS_NOT_SET, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = NULL, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &hardirq_config, .config_file = NETDATA_HARDIRQ_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "softirq", .config_name = "softirq", .enabled = 0, .start_routine = ebpf_softirq_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, - .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &softirq_config, + .apps_level = NETDATA_APPS_NOT_SET, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = NULL, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &softirq_config, .config_file = NETDATA_SOFTIRQ_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "oomkill", .config_name = "oomkill", .enabled = 0, .start_routine = ebpf_oomkill_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = ebpf_oomkill_create_apps_charts, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &oomkill_config, .config_file = NETDATA_OOMKILL_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "shm", .config_name = "shm", .enabled = 0, .start_routine = ebpf_shm_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = ebpf_shm_create_apps_charts, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &shm_config, .config_file = NETDATA_DIRECTORY_SHM_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = shm_targets, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = shm_targets, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = "mdflush", .config_name = "mdflush", .enabled = 0, .start_routine = ebpf_mdflush_thread, .update_every = EBPF_DEFAULT_UPDATE_EVERY, .global_charts = 1, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, - .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, - .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &mdflush_config, + .apps_level = NETDATA_APPS_NOT_SET, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, + .apps_routine = NULL, .maps = NULL, .pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &mdflush_config, .config_file = NETDATA_DIRECTORY_MDFLUSH_CONFIG_FILE, - .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4, - .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL}, + .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_14, + .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL}, { .thread_name = NULL, .enabled = 0, .start_routine = NULL, .update_every = EBPF_DEFAULT_UPDATE_EVERY, - .global_charts = 0, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, .cgroup_charts = CONFIG_BOOLEAN_NO, - .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, .pid_map_size = 0, .names = NULL, - .cfg = NULL, .config_name = NULL, .kernels = 0, .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, - .objects = NULL}, + .global_charts = 0, .apps_charts = NETDATA_EBPF_APPS_FLAG_NO, .apps_level = NETDATA_APPS_NOT_SET, + .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0, .apps_routine = NULL, .maps = NULL, + .pid_map_size = 0, .names = NULL, .cfg = NULL, .config_name = NULL, .kernels = 0, .load = EBPF_LOAD_LEGACY, + .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL}, }; struct netdata_static_thread ebpf_threads[] = { - {"EBPF PROCESS", NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF SOCKET" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF CACHESTAT" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF SYNC" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF DCSTAT" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF SWAP" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF VFS" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF FILESYSTEM" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF DISK" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF MOUNT" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF FD" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF HARDIRQ" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF SOFTIRQ" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF OOMKILL" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF SHM" , NULL, NULL, 1, - NULL, NULL, NULL}, - {"EBPF MDFLUSH" , NULL, NULL, 1, - NULL, NULL, NULL}, - {NULL , NULL, NULL, 0, - NULL, NULL, NULL} + { + .name = "EBPF PROCESS", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF SOCKET", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF CACHESTAT", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF SYNC", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF DCSTAT", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF SWAP", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF VFS", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF FILESYSTEM", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF DISK", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF MOUNT", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF FD", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF HARDIRQ", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF SOFTIRQ", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF OOMKILL", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF SHM", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = "EBPF MDFLUSH", + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 1, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, + { + .name = NULL, + .config_section = NULL, + .config_name = NULL, + .env_name = NULL, + .enabled = 0, + .thread = NULL, + .init_routine = NULL, + .start_routine = NULL + }, }; ebpf_filesystem_partitions_t localfs[] = @@ -294,6 +434,7 @@ ebpf_sync_syscalls_t local_syscalls[] = { } }; + // Link with apps.plugin ebpf_process_stat_t *global_process_stat = NULL; @@ -312,6 +453,8 @@ ebpf_plugin_stats_t plugin_statistics = {.core = 0, .legacy = 0, .running = 0, . #ifdef LIBBPF_MAJOR_VERSION struct btf *default_btf = NULL; +#else +void *default_btf = NULL; #endif char *btf_path = NULL; @@ -323,16 +466,16 @@ char *btf_path = NULL; /** * Close the collector gracefully - * - * @param sig is the signal number used to close the collector */ -static void ebpf_exit(int sig) +static void ebpf_exit() { #ifdef LIBBPF_MAJOR_VERSION + pthread_mutex_lock(&ebpf_exit_cleanup); if (default_btf) { btf__free(default_btf); default_btf = NULL; } + pthread_mutex_unlock(&ebpf_exit_cleanup); #endif char filename[FILENAME_MAX + 1]; @@ -340,7 +483,7 @@ static void ebpf_exit(int sig) if (unlink(filename)) error("Cannot remove PID file %s", filename); - exit(sig); + exit(0); } /** @@ -373,44 +516,66 @@ int ebpf_exit_plugin = 0; */ static void ebpf_stop_threads(int sig) { - ebpf_exit_plugin = 1; + UNUSED(sig); + static int only_one = 0; + int i; - for (i = 0; ebpf_threads[i].name != NULL; i++); + // Child thread should be closed by itself. + pthread_mutex_lock(&ebpf_exit_cleanup); + if (main_thread_id != gettid() || only_one) { + pthread_mutex_unlock(&ebpf_exit_cleanup); + return; + } + only_one = 1; + for (i = 0; ebpf_threads[i].name != NULL; i++) { + if (ebpf_threads[i].enabled != NETDATA_THREAD_EBPF_STOPPED) + netdata_thread_cancel(*ebpf_threads[i].thread); + } + pthread_mutex_unlock(&ebpf_exit_cleanup); - usec_t max = 2 * USEC_PER_SEC, step = 100000; + ebpf_exit_plugin = 1; + usec_t max = 3 * USEC_PER_SEC, step = 100000; while (i && max) { max -= step; sleep_usec(step); i = 0; int j; + pthread_mutex_lock(&ebpf_exit_cleanup); for (j = 0; ebpf_threads[j].name != NULL; j++) { - if (ebpf_threads[j].enabled != NETDATA_MAIN_THREAD_EXITED) + if (ebpf_threads[j].enabled != NETDATA_THREAD_EBPF_STOPPED) i++; } + pthread_mutex_unlock(&ebpf_exit_cleanup); } //Unload threads(except sync and filesystem) + pthread_mutex_lock(&ebpf_exit_cleanup); for (i = 0; ebpf_threads[i].name != NULL; i++) { - if (ebpf_threads[i].enabled == NETDATA_MAIN_THREAD_EXITED && i != EBPF_MODULE_FILESYSTEM_IDX && + if (ebpf_threads[i].enabled == NETDATA_THREAD_EBPF_STOPPED && i != EBPF_MODULE_FILESYSTEM_IDX && i != EBPF_MODULE_SYNC_IDX) ebpf_unload_legacy_code(ebpf_modules[i].objects, ebpf_modules[i].probe_links); } + pthread_mutex_unlock(&ebpf_exit_cleanup); //Unload filesystem - if (ebpf_threads[EBPF_MODULE_FILESYSTEM_IDX].enabled == NETDATA_MAIN_THREAD_EXITED) { + pthread_mutex_lock(&ebpf_exit_cleanup); + if (ebpf_threads[EBPF_MODULE_FILESYSTEM_IDX].enabled == NETDATA_THREAD_EBPF_STOPPED) { for (i = 0; localfs[i].filesystem != NULL; i++) { ebpf_unload_legacy_code(localfs[i].objects, localfs[i].probe_links); } } + pthread_mutex_unlock(&ebpf_exit_cleanup); //Unload Sync - if (ebpf_threads[EBPF_MODULE_SYNC_IDX].enabled == NETDATA_MAIN_THREAD_EXITED) { + pthread_mutex_lock(&ebpf_exit_cleanup); + if (ebpf_threads[EBPF_MODULE_SYNC_IDX].enabled == NETDATA_THREAD_EBPF_STOPPED) { for (i = 0; local_syscalls[i].syscall != NULL; i++) { ebpf_unload_legacy_code(local_syscalls[i].objects, local_syscalls[i].probe_links); } } + pthread_mutex_unlock(&ebpf_exit_cleanup); - ebpf_exit(sig); + ebpf_exit(); } /***************************************************************** @@ -1170,6 +1335,7 @@ static void read_local_addresses() int ebpf_start_pthread_variables() { pthread_mutex_init(&lock, NULL); + pthread_mutex_init(&ebpf_exit_cleanup, NULL); pthread_mutex_init(&collect_data_mutex, NULL); if (pthread_cond_init(&collect_data_cond_var, NULL)) { @@ -1261,35 +1427,28 @@ static void ebpf_update_table_size() /** * Set Load mode * - * @param load default load mode. + * @param origin specify the configuration file loaded */ -static inline void ebpf_set_load_mode(netdata_ebpf_load_mode_t load) +static inline void ebpf_set_load_mode(netdata_ebpf_load_mode_t load, netdata_ebpf_load_mode_t origin) { -#ifdef LIBBPF_MAJOR_VERSION - if (load == EBPF_LOAD_CORE || load == EBPF_LOAD_PLAY_DICE) { - load = (!default_btf) ? EBPF_LOAD_LEGACY : EBPF_LOAD_CORE; - } -#else - load = EBPF_LOAD_LEGACY; -#endif - int i; for (i = 0; ebpf_modules[i].thread_name; i++) { - // TO DO: Use `load` variable after we change all threads. - ebpf_modules[i].load = EBPF_LOAD_LEGACY; // load ; + ebpf_modules[i].load &= ~NETDATA_EBPF_LOAD_METHODS; + ebpf_modules[i].load |= load | origin ; } } /** * Update mode * - * @param str value read from configuration file. + * @param str value read from configuration file. + * @param origin specify the configuration file loaded */ -static inline void epbf_update_load_mode(char *str) +static inline void epbf_update_load_mode(char *str, netdata_ebpf_load_mode_t origin) { netdata_ebpf_load_mode_t load = epbf_convert_string_to_load_mode(str); - ebpf_set_load_mode(load); + ebpf_set_load_mode(load, origin); } /** @@ -1297,9 +1456,11 @@ static inline void epbf_update_load_mode(char *str) * * @param disable_apps variable to store information related to apps. * @param disable_cgroups variable to store information related to cgroups. - * @param update_every value to overwrite the update frequency set by the server. + * @param update_every value to overwrite the update frequency set by the server. + * @param origin specify the configuration file loaded */ -static void read_collector_values(int *disable_apps, int *disable_cgroups, int update_every) +static void read_collector_values(int *disable_apps, int *disable_cgroups, + int update_every, netdata_ebpf_load_mode_t origin) { // Read global section char *value; @@ -1321,7 +1482,7 @@ static void read_collector_values(int *disable_apps, int *disable_cgroups, int u value = appconfig_get(&collector_config, EBPF_GLOBAL_SECTION, EBPF_CFG_TYPE_FORMAT, EBPF_CFG_DEFAULT_PROGRAM); - epbf_update_load_mode(value); + epbf_update_load_mode(value, origin); ebpf_update_interval(update_every); @@ -1499,6 +1660,7 @@ static void read_collector_values(int *disable_apps, int *disable_cgroups, int u static int load_collector_config(char *path, int *disable_apps, int *disable_cgroups, int update_every) { char lpath[4096]; + netdata_ebpf_load_mode_t origin; snprintf(lpath, 4095, "%s/%s", path, NETDATA_EBPF_CONFIG_FILE); if (!appconfig_load(&collector_config, lpath, 0, NULL)) { @@ -1506,9 +1668,11 @@ static int load_collector_config(char *path, int *disable_apps, int *disable_cgr if (!appconfig_load(&collector_config, lpath, 0, NULL)) { return -1; } - } + origin = EBPF_LOADED_FROM_STOCK; + } else + origin = EBPF_LOADED_FROM_USER; - read_collector_values(disable_apps, disable_cgroups, update_every); + read_collector_values(disable_apps, disable_cgroups, update_every, origin); return 0; } @@ -1552,7 +1716,7 @@ static inline void ebpf_load_thread_config() { int i; for (i = 0; ebpf_modules[i].thread_name; i++) { - ebpf_update_module(&ebpf_modules[i]); + ebpf_update_module(&ebpf_modules[i], default_btf, running_on_kernel, isrh); } } @@ -1771,14 +1935,14 @@ static void ebpf_parse_args(int argc, char **argv) break; } case EBPF_OPTION_LEGACY: { - ebpf_set_load_mode(EBPF_LOAD_LEGACY); + ebpf_set_load_mode(EBPF_LOAD_LEGACY, EBPF_LOADED_FROM_USER); #ifdef NETDATA_INTERNAL_CHECKS info("EBPF running with \"LEGACY\" code, because it was started with the option \"[-]-legacy\"."); #endif break; } case EBPF_OPTION_CORE: { - ebpf_set_load_mode(EBPF_LOAD_CORE); + ebpf_set_load_mode(EBPF_LOAD_CORE, EBPF_LOADED_FROM_USER); #ifdef NETDATA_INTERNAL_CHECKS info("EBPF running with \"CO-RE\" code, because it was started with the option \"[-]-core\"."); #endif @@ -1816,7 +1980,7 @@ static void ebpf_parse_args(int argc, char **argv) &apps_groups_default_target, &apps_groups_root_target, ebpf_stock_config_dir, "groups")) { error("Cannot read process groups '%s/apps_groups.conf'. There are no internal defaults. Failing.", ebpf_stock_config_dir); - ebpf_exit(1); + ebpf_exit(); } } else info("Loaded config file '%s/apps_groups.conf'", ebpf_user_config_dir); @@ -1995,6 +2159,7 @@ static void ebpf_manage_pid(pid_t pid) int main(int argc, char **argv) { clocks_init(); + main_thread_id = gettid(); set_global_variables(); ebpf_parse_args(argc, argv); @@ -2035,7 +2200,7 @@ int main(int argc, char **argv) if (ebpf_start_pthread_variables()) { error("Cannot start mutex to control overall charts."); - ebpf_exit(5); + ebpf_exit(); } netdata_configured_host_prefix = getenv("NETDATA_HOST_PREFIX"); @@ -2058,18 +2223,25 @@ int main(int argc, char **argv) int i; for (i = 0; ebpf_threads[i].name != NULL; i++) { struct netdata_static_thread *st = &ebpf_threads[i]; - st->thread = mallocz(sizeof(netdata_thread_t)); ebpf_module_t *em = &ebpf_modules[i]; - em->thread_id = i; - netdata_thread_create(st->thread, st->name, NETDATA_THREAD_OPTION_DEFAULT, st->start_routine, em); + em->thread = st; + // We always initialize process, because it is responsible to take care of apps integration + if (em->enabled || !i) { + st->thread = mallocz(sizeof(netdata_thread_t)); + em->thread_id = i; + st->enabled = NETDATA_THREAD_EBPF_RUNNING; + netdata_thread_create(st->thread, st->name, NETDATA_THREAD_OPTION_DEFAULT, st->start_routine, em); + } else { + st->enabled = NETDATA_THREAD_EBPF_STOPPED; + } } - usec_t step = 60 * USEC_PER_SEC; + usec_t step = EBPF_DEFAULT_UPDATE_EVERY * USEC_PER_SEC; heartbeat_t hb; heartbeat_init(&hb); //Plugin will be killed when it receives a signal - for (;;) { + while (!ebpf_exit_plugin) { (void)heartbeat_next(&hb, step); } |