diff options
Diffstat (limited to 'collectors/ebpf.plugin/ebpf_vfs.c')
-rw-r--r-- | collectors/ebpf.plugin/ebpf_vfs.c | 2522 |
1 files changed, 0 insertions, 2522 deletions
diff --git a/collectors/ebpf.plugin/ebpf_vfs.c b/collectors/ebpf.plugin/ebpf_vfs.c deleted file mode 100644 index 354901c9c..000000000 --- a/collectors/ebpf.plugin/ebpf_vfs.c +++ /dev/null @@ -1,2522 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include <sys/resource.h> - -#include "ebpf.h" -#include "ebpf_vfs.h" - -static char *vfs_dimension_names[NETDATA_KEY_PUBLISH_VFS_END] = { "delete", "read", "write", - "fsync", "open", "create" }; -static char *vfs_id_names[NETDATA_KEY_PUBLISH_VFS_END] = { "vfs_unlink", "vfs_read", "vfs_write", - "vfs_fsync", "vfs_open", "vfs_create"}; - -static netdata_idx_t *vfs_hash_values = NULL; -static netdata_syscall_stat_t vfs_aggregated_data[NETDATA_KEY_PUBLISH_VFS_END]; -static netdata_publish_syscall_t vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_END]; -netdata_publish_vfs_t *vfs_vector = NULL; - -static ebpf_local_maps_t vfs_maps[] = {{.name = "tbl_vfs_pid", .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, -#ifdef LIBBPF_MAJOR_VERSION - .map_type = BPF_MAP_TYPE_PERCPU_HASH -#endif - }, - {.name = "tbl_vfs_stats", .internal_input = NETDATA_VFS_COUNTER, - .user_input = 0, .type = NETDATA_EBPF_MAP_STATIC, - .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED, -#ifdef LIBBPF_MAJOR_VERSION - .map_type = BPF_MAP_TYPE_PERCPU_ARRAY -#endif - }, - {.name = "vfs_ctrl", .internal_input = NETDATA_CONTROLLER_END, - .user_input = 0, - .type = NETDATA_EBPF_MAP_CONTROLLER, - .map_fd = ND_EBPF_MAP_FD_NOT_INITIALIZED, -#ifdef LIBBPF_MAJOR_VERSION - .map_type = BPF_MAP_TYPE_PERCPU_ARRAY -#endif - }, - {.name = NULL, .internal_input = 0, .user_input = 0, -#ifdef LIBBPF_MAJOR_VERSION - .map_type = BPF_MAP_TYPE_PERCPU_ARRAY -#endif - }}; - -struct config vfs_config = { .first_section = NULL, - .last_section = NULL, - .mutex = NETDATA_MUTEX_INITIALIZER, - .index = { .avl_tree = { .root = NULL, .compar = appconfig_section_compare }, - .rwlock = AVL_LOCK_INITIALIZER } }; - -netdata_ebpf_targets_t vfs_targets[] = { {.name = "vfs_write", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = "vfs_writev", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = "vfs_read", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = "vfs_readv", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = "vfs_unlink", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = "vfs_fsync", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = "vfs_open", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = "vfs_create", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = "release_task", .mode = EBPF_LOAD_TRAMPOLINE}, - {.name = NULL, .mode = EBPF_LOAD_TRAMPOLINE}}; - -#ifdef NETDATA_DEV_MODE -int vfs_disable_priority; -#endif - -#ifdef LIBBPF_MAJOR_VERSION -/** - * Disable probe - * - * Disable all probes to use exclusively another method. - * - * @param obj is the main structure for bpf objects - */ -static void ebpf_vfs_disable_probes(struct vfs_bpf *obj) -{ - bpf_program__set_autoload(obj->progs.netdata_vfs_write_kprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_write_kretprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_writev_kprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_writev_kretprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_read_kprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_read_kretprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_readv_kprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_readv_kretprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_unlink_kprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_unlink_kretprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_fsync_kprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_fsync_kretprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_open_kprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_open_kretprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_create_kprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_create_kretprobe, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_release_task_kprobe, false); -} - -/* - * Disable trampoline - * - * Disable all trampoline to use exclusively another method. - * - * @param obj is the main structure for bpf objects. - */ -static void ebpf_vfs_disable_trampoline(struct vfs_bpf *obj) -{ - bpf_program__set_autoload(obj->progs.netdata_vfs_write_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_write_fexit, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_writev_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_writev_fexit, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_read_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_read_fexit, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_readv_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_readv_fexit, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_unlink_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_fsync_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_fsync_fexit, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_open_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_open_fexit, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_create_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_release_task_fentry, false); -} - -/** - * Set trampoline target - * - * Set the targets we will monitor. - * - * @param obj is the main structure for bpf objects. - */ -static void ebpf_vfs_set_trampoline_target(struct vfs_bpf *obj) -{ - bpf_program__set_attach_target(obj->progs.netdata_vfs_write_fentry, 0, vfs_targets[NETDATA_EBPF_VFS_WRITE].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_write_fexit, 0, vfs_targets[NETDATA_EBPF_VFS_WRITE].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_writev_fentry, 0, vfs_targets[NETDATA_EBPF_VFS_WRITEV].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_writev_fexit, 0, vfs_targets[NETDATA_EBPF_VFS_WRITEV].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_read_fentry, 0, vfs_targets[NETDATA_EBPF_VFS_READ].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_read_fexit, 0, vfs_targets[NETDATA_EBPF_VFS_READ].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_readv_fentry, 0, vfs_targets[NETDATA_EBPF_VFS_READV].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_readv_fexit, 0, vfs_targets[NETDATA_EBPF_VFS_READV].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_unlink_fentry, 0, vfs_targets[NETDATA_EBPF_VFS_UNLINK].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_fsync_fentry, 0, vfs_targets[NETDATA_EBPF_VFS_FSYNC].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_fsync_fexit, 0, vfs_targets[NETDATA_EBPF_VFS_FSYNC].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_open_fentry, 0, vfs_targets[NETDATA_EBPF_VFS_OPEN].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_open_fexit, 0, vfs_targets[NETDATA_EBPF_VFS_OPEN].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_create_fentry, 0, vfs_targets[NETDATA_EBPF_VFS_CREATE].name); - - bpf_program__set_attach_target(obj->progs.netdata_vfs_release_task_fentry, 0, EBPF_COMMON_FNCT_CLEAN_UP); -} - -/** - * Attach Probe - * - * Attach probes to target - * - * @param obj is the main structure for bpf objects. - * - * @return It returns 0 on success and -1 otherwise. - */ -static int ebpf_vfs_attach_probe(struct vfs_bpf *obj) -{ - obj->links.netdata_vfs_write_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_write_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_WRITE].name); - int ret = libbpf_get_error(obj->links.netdata_vfs_write_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_write_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_write_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_WRITE].name); - ret = libbpf_get_error(obj->links.netdata_vfs_write_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_writev_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_writev_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_WRITEV].name); - ret = libbpf_get_error(obj->links.netdata_vfs_writev_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_writev_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_writev_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_WRITEV].name); - ret = libbpf_get_error(obj->links.netdata_vfs_writev_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_read_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_read_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_READ].name); - ret = libbpf_get_error(obj->links.netdata_vfs_read_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_read_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_read_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_READ].name); - ret = libbpf_get_error(obj->links.netdata_vfs_read_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_readv_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_readv_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_READV].name); - ret = libbpf_get_error(obj->links.netdata_vfs_readv_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_readv_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_readv_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_READV].name); - ret = libbpf_get_error(obj->links.netdata_vfs_readv_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_unlink_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_unlink_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_UNLINK].name); - ret = libbpf_get_error(obj->links.netdata_vfs_unlink_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_unlink_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_unlink_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_UNLINK].name); - ret = libbpf_get_error(obj->links.netdata_vfs_unlink_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_fsync_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_fsync_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_FSYNC].name); - ret = libbpf_get_error(obj->links.netdata_vfs_fsync_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_fsync_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_fsync_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_FSYNC].name); - ret = libbpf_get_error(obj->links.netdata_vfs_fsync_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_open_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_open_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_OPEN].name); - ret = libbpf_get_error(obj->links.netdata_vfs_open_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_open_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_open_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_OPEN].name); - ret = libbpf_get_error(obj->links.netdata_vfs_open_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_create_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_create_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_CREATE].name); - ret = libbpf_get_error(obj->links.netdata_vfs_create_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_create_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_create_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_CREATE].name); - ret = libbpf_get_error(obj->links.netdata_vfs_create_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_fsync_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_fsync_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_FSYNC].name); - ret = libbpf_get_error(obj->links.netdata_vfs_fsync_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_fsync_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_fsync_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_FSYNC].name); - ret = libbpf_get_error(obj->links.netdata_vfs_fsync_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_open_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_open_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_OPEN].name); - ret = libbpf_get_error(obj->links.netdata_vfs_open_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_open_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_open_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_OPEN].name); - ret = libbpf_get_error(obj->links.netdata_vfs_open_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_create_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_create_kprobe, false, - vfs_targets[NETDATA_EBPF_VFS_CREATE].name); - ret = libbpf_get_error(obj->links.netdata_vfs_create_kprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_create_kretprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_create_kretprobe, true, - vfs_targets[NETDATA_EBPF_VFS_CREATE].name); - ret = libbpf_get_error(obj->links.netdata_vfs_create_kretprobe); - if (ret) - return -1; - - obj->links.netdata_vfs_release_task_kprobe = bpf_program__attach_kprobe(obj->progs.netdata_vfs_release_task_fentry, - true, - EBPF_COMMON_FNCT_CLEAN_UP); - ret = libbpf_get_error(obj->links.netdata_vfs_release_task_kprobe); - if (ret) - return -1; - - return 0; -} - -/** - * Adjust Size - * - * Resize maps according input from users. - * - * @param obj is the main structure for bpf objects. - * @param em structure with configuration - */ -static void ebpf_vfs_adjust_map(struct vfs_bpf *obj, ebpf_module_t *em) -{ - ebpf_update_map_size(obj->maps.tbl_vfs_pid, &vfs_maps[NETDATA_VFS_PID], - em, bpf_map__name(obj->maps.tbl_vfs_pid)); - - ebpf_update_map_type(obj->maps.tbl_vfs_pid, &vfs_maps[NETDATA_VFS_PID]); - ebpf_update_map_type(obj->maps.tbl_vfs_stats, &vfs_maps[NETDATA_VFS_ALL]); - ebpf_update_map_type(obj->maps.vfs_ctrl, &vfs_maps[NETDATA_VFS_CTRL]); -} - -/** - * Set hash tables - * - * Set the values for maps according the value given by kernel. - * - * @param obj is the main structure for bpf objects. - */ -static void ebpf_vfs_set_hash_tables(struct vfs_bpf *obj) -{ - vfs_maps[NETDATA_VFS_ALL].map_fd = bpf_map__fd(obj->maps.tbl_vfs_stats); - vfs_maps[NETDATA_VFS_PID].map_fd = bpf_map__fd(obj->maps.tbl_vfs_pid); - vfs_maps[NETDATA_VFS_CTRL].map_fd = bpf_map__fd(obj->maps.vfs_ctrl); -} - -/** - * Disable Release Task - * - * Disable release task when apps is not enabled. - * - * @param obj is the main structure for bpf objects. - */ -static void ebpf_vfs_disable_release_task(struct vfs_bpf *obj) -{ - bpf_program__set_autoload(obj->progs.netdata_vfs_release_task_fentry, false); - bpf_program__set_autoload(obj->progs.netdata_vfs_release_task_kprobe, false); -} - -/** - * Load and attach - * - * Load and attach the eBPF code in kernel. - * - * @param obj is the main structure for bpf objects. - * @param em structure with configuration - * - * @return it returns 0 on success and -1 otherwise - */ -static inline int ebpf_vfs_load_and_attach(struct vfs_bpf *obj, ebpf_module_t *em) -{ - netdata_ebpf_targets_t *mt = em->targets; - netdata_ebpf_program_loaded_t test = mt[NETDATA_EBPF_VFS_WRITE].mode; - - if (test == EBPF_LOAD_TRAMPOLINE) { - ebpf_vfs_disable_probes(obj); - - ebpf_vfs_set_trampoline_target(obj); - } else { - ebpf_vfs_disable_trampoline(obj); - } - - ebpf_vfs_adjust_map(obj, em); - - if (!em->apps_charts && !em->cgroup_charts) - ebpf_vfs_disable_release_task(obj); - - int ret = vfs_bpf__load(obj); - if (ret) { - return ret; - } - - ret = (test == EBPF_LOAD_TRAMPOLINE) ? vfs_bpf__attach(obj) : ebpf_vfs_attach_probe(obj); - if (!ret) { - ebpf_vfs_set_hash_tables(obj); - - ebpf_update_controller(vfs_maps[NETDATA_VFS_CTRL].map_fd, em); - } - - return ret; -} -#endif - -/***************************************************************** - * - * FUNCTIONS TO CLOSE THE THREAD - * - *****************************************************************/ - -static void ebpf_obsolete_specific_vfs_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_vfs_services(ebpf_module_t *em) -{ - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_FILE_DELETED, - "", - "Files deleted", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20065, - em->update_every); - - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS, - "", - "Write to disk", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20066, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS_ERROR, - "", - "Fails to write", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20067, - em->update_every); - } - - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_READ_CALLS, - "", - "Read from disk", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20068, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_READ_CALLS_ERROR, - "", - "Fails to read", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20069, - em->update_every); - } - - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_WRITE_BYTES, - "", - "Bytes written on disk", - EBPF_COMMON_DIMENSION_BYTES, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20070, - em->update_every); - - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_READ_BYTES, - "", - "Bytes read from disk", - EBPF_COMMON_DIMENSION_BYTES, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20071, - em->update_every); - - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_FSYNC, - "", - "Calls to vfs_fsync.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20072, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_FSYNC_CALLS_ERROR, - "", - "Sync error", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20073, - em->update_every); - } - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_OPEN, - "", - "Calls to vfs_open.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20074, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_OPEN_CALLS_ERROR, - "", - "Open error", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20075, - em->update_every); - } - - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_CREATE, - "", - "Calls to vfs_create.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20076, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_SERVICE_FAMILY, - NETDATA_SYSCALL_APPS_VFS_CREATE_CALLS_ERROR, - "", - "Create error", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - NULL, - 20077, - 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_vfs_cgroup_charts(ebpf_module_t *em) { - pthread_mutex_lock(&mutex_cgroup_shm); - - ebpf_obsolete_vfs_services(em); - - ebpf_cgroup_target_t *ect; - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (ect->systemd) - continue; - - ebpf_obsolete_specific_vfs_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_vfs_apps_charts(struct ebpf_module *em) -{ - int order = 20275; - struct ebpf_target *w; - int update_every = em->update_every; - for (w = apps_groups_root_target; w; w = w->next) { - if (unlikely(!(w->charts_created & (1<<EBPF_MODULE_VFS_IDX)))) - continue; - - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_unlink", - "Files deleted.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_unlink", - order++, - update_every); - - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_write", - "Write to disk.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_write", - order++, - update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_write_error", - "Fails to write.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_write_error", - order++, - update_every); - } - - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_read", - "Read from disk.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_read", - order++, - update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_read_error", - "Fails to read.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_read_error", - order++, - update_every); - } - - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_write_bytes", - "Bytes written on disk.", - EBPF_COMMON_DIMENSION_BYTES, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_write_bytes", - order++, - update_every); - - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_read_bytes", - "Bytes read from disk.", - EBPF_COMMON_DIMENSION_BYTES, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_read_bytes", - order++, - update_every); - - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_fsync", - "Calls to vfs_fsync.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_fsync", - order++, - update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_fsync_error", - "Fails to sync.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_fsync_error", - order++, - update_every); - } - - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_open", - "Calls to vfs_open.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_open", - order++, - update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_open_error", - "Fails to open.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_open_error", - order++, - update_every); - } - - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_create", - "Calls to vfs_create.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_create", - order++, - update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_create_error", - "Fails to create.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_create_error", - order++, - update_every); - } - w->charts_created &= ~(1<<EBPF_MODULE_VFS_IDX); - } -} - -/** - * Obsolete global - * - * Obsolete global charts created by thread. - * - * @param em a pointer to `struct ebpf_module` - */ -static void ebpf_obsolete_vfs_global(ebpf_module_t *em) -{ - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FILE_CLEAN_COUNT, - "", - "Remove files", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_CLEAN, - em->update_every); - - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FILE_IO_COUNT, - "", - "Calls to IO", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_COUNT, - em->update_every); - - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_IO_FILE_BYTES, - "", - "Bytes written and read", - EBPF_COMMON_DIMENSION_BYTES, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_BYTES, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FILE_ERR_COUNT, - "", - "Fails to write or read", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_EBYTES, - em->update_every); - } - - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FSYNC, - "", - "Calls to vfs_fsync.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_FSYNC, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FSYNC_ERR, - "", - "Fails to synchronize", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_EFSYNC, - em->update_every); - } - - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_OPEN, - "", - "Calls to vfs_open.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_OPEN, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_OPEN_ERR, - "", - "Fails to open a file", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_EOPEN, - em->update_every); - } - - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_CREATE, - "", - "Calls to vfs_create.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_CREATE, - em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_CREATE_ERR, - "", - "Fails to create a file.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, - NULL, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_ECREATE, - em->update_every); - } -} - -/** - * Exit - * - * Cancel thread and exit. - * - * @param ptr thread data. -**/ -static void ebpf_vfs_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_vfs_cgroup_charts(em); - fflush(stdout); - } - - if (em->apps_charts & NETDATA_EBPF_APPS_FLAG_CHART_CREATED) { - ebpf_obsolete_vfs_apps_charts(em); - } - - ebpf_obsolete_vfs_global(em); - -#ifdef NETDATA_DEV_MODE - if (ebpf_aral_vfs_pid) - ebpf_statistic_obsolete_aral_chart(em, vfs_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 (vfs_bpf_obj) { - vfs_bpf__destroy(vfs_bpf_obj); - vfs_bpf_obj = NULL; - } -#endif - 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); -} - -/***************************************************************** - * - * FUNCTIONS WITH THE MAIN LOOP - * - *****************************************************************/ - -/** - * Send data to Netdata calling auxiliary functions. - * - * @param em the structure with thread information -*/ -static void ebpf_vfs_send_data(ebpf_module_t *em) -{ - netdata_publish_vfs_common_t pvc; - - pvc.write = (long)vfs_aggregated_data[NETDATA_KEY_PUBLISH_VFS_WRITE].bytes; - pvc.read = (long)vfs_aggregated_data[NETDATA_KEY_PUBLISH_VFS_READ].bytes; - - write_count_chart(NETDATA_VFS_FILE_CLEAN_COUNT, NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_UNLINK], 1); - - write_count_chart(NETDATA_VFS_FILE_IO_COUNT, NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ], 2); - - if (em->mode < MODE_ENTRY) { - write_err_chart(NETDATA_VFS_FILE_ERR_COUNT, NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ], 2); - } - - write_io_chart(NETDATA_VFS_IO_FILE_BYTES, NETDATA_FILESYSTEM_FAMILY, vfs_id_names[NETDATA_KEY_PUBLISH_VFS_WRITE], - (long long)pvc.write, vfs_id_names[NETDATA_KEY_PUBLISH_VFS_READ], (long long)pvc.read); - - write_count_chart(NETDATA_VFS_FSYNC, NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC], 1); - - if (em->mode < MODE_ENTRY) { - write_err_chart(NETDATA_VFS_FSYNC_ERR, NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC], 1); - } - - write_count_chart(NETDATA_VFS_OPEN, NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN], 1); - - if (em->mode < MODE_ENTRY) { - write_err_chart(NETDATA_VFS_OPEN_ERR, NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN], 1); - } - - write_count_chart(NETDATA_VFS_CREATE, NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE], 1); - - if (em->mode < MODE_ENTRY) { - write_err_chart( - NETDATA_VFS_CREATE_ERR, - NETDATA_FILESYSTEM_FAMILY, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE], - 1); - } -} - -/** - * Read the hash table and store data to allocated vectors. - * - * @param stats vector used to read data from control table. - * @param maps_per_core do I need to read all cores? - */ -static void ebpf_vfs_read_global_table(netdata_idx_t *stats, int maps_per_core) -{ - netdata_idx_t res[NETDATA_VFS_COUNTER]; - ebpf_read_global_table_stats(res, - vfs_hash_values, - vfs_maps[NETDATA_VFS_ALL].map_fd, - maps_per_core, - NETDATA_KEY_CALLS_VFS_WRITE, - NETDATA_VFS_COUNTER); - - ebpf_read_global_table_stats(stats, - vfs_hash_values, - vfs_maps[NETDATA_VFS_CTRL].map_fd, - maps_per_core, - NETDATA_CONTROLLER_PID_TABLE_ADD, - NETDATA_CONTROLLER_END); - - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_UNLINK].ncall = res[NETDATA_KEY_CALLS_VFS_UNLINK]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ].ncall = res[NETDATA_KEY_CALLS_VFS_READ] + - res[NETDATA_KEY_CALLS_VFS_READV]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_WRITE].ncall = res[NETDATA_KEY_CALLS_VFS_WRITE] + - res[NETDATA_KEY_CALLS_VFS_WRITEV]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC].ncall = res[NETDATA_KEY_CALLS_VFS_FSYNC]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN].ncall = res[NETDATA_KEY_CALLS_VFS_OPEN]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE].ncall = res[NETDATA_KEY_CALLS_VFS_CREATE]; - - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_UNLINK].nerr = res[NETDATA_KEY_ERROR_VFS_UNLINK]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ].nerr = res[NETDATA_KEY_ERROR_VFS_READ] + - res[NETDATA_KEY_ERROR_VFS_READV]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_WRITE].nerr = res[NETDATA_KEY_ERROR_VFS_WRITE] + - res[NETDATA_KEY_ERROR_VFS_WRITEV]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC].nerr = res[NETDATA_KEY_ERROR_VFS_FSYNC]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN].nerr = res[NETDATA_KEY_ERROR_VFS_OPEN]; - vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE].nerr = res[NETDATA_KEY_ERROR_VFS_CREATE]; - - vfs_aggregated_data[NETDATA_KEY_PUBLISH_VFS_WRITE].bytes = (uint64_t)res[NETDATA_KEY_BYTES_VFS_WRITE] + - (uint64_t)res[NETDATA_KEY_BYTES_VFS_WRITEV]; - vfs_aggregated_data[NETDATA_KEY_PUBLISH_VFS_READ].bytes = (uint64_t)res[NETDATA_KEY_BYTES_VFS_READ] + - (uint64_t)res[NETDATA_KEY_BYTES_VFS_READV]; -} - -/** - * Sum PIDs - * - * Sum values for all targets. - * - * @param swap output structure - * @param root link list with structure to be used - */ -static void ebpf_vfs_sum_pids(netdata_publish_vfs_t *vfs, struct ebpf_pid_on_target *root) -{ - netdata_publish_vfs_t accumulator; - memset(&accumulator, 0, sizeof(accumulator)); - - while (root) { - int32_t pid = root->pid; - netdata_publish_vfs_t *w = vfs_pid[pid]; - if (w) { - accumulator.write_call += w->write_call; - accumulator.writev_call += w->writev_call; - accumulator.read_call += w->read_call; - accumulator.readv_call += w->readv_call; - accumulator.unlink_call += w->unlink_call; - accumulator.fsync_call += w->fsync_call; - accumulator.open_call += w->open_call; - accumulator.create_call += w->create_call; - - accumulator.write_bytes += w->write_bytes; - accumulator.writev_bytes += w->writev_bytes; - accumulator.read_bytes += w->read_bytes; - accumulator.readv_bytes += w->readv_bytes; - - accumulator.write_err += w->write_err; - accumulator.writev_err += w->writev_err; - accumulator.read_err += w->read_err; - accumulator.readv_err += w->readv_err; - accumulator.unlink_err += w->unlink_err; - accumulator.fsync_err += w->fsync_err; - accumulator.open_err += w->open_err; - accumulator.create_err += w->create_err; - } - root = root->next; - } - - // These conditions were added, because we are using incremental algorithm - vfs->write_call = (accumulator.write_call >= vfs->write_call) ? accumulator.write_call : vfs->write_call; - vfs->writev_call = (accumulator.writev_call >= vfs->writev_call) ? accumulator.writev_call : vfs->writev_call; - vfs->read_call = (accumulator.read_call >= vfs->read_call) ? accumulator.read_call : vfs->read_call; - vfs->readv_call = (accumulator.readv_call >= vfs->readv_call) ? accumulator.readv_call : vfs->readv_call; - vfs->unlink_call = (accumulator.unlink_call >= vfs->unlink_call) ? accumulator.unlink_call : vfs->unlink_call; - vfs->fsync_call = (accumulator.fsync_call >= vfs->fsync_call) ? accumulator.fsync_call : vfs->fsync_call; - vfs->open_call = (accumulator.open_call >= vfs->open_call) ? accumulator.open_call : vfs->open_call; - vfs->create_call = (accumulator.create_call >= vfs->create_call) ? accumulator.create_call : vfs->create_call; - - vfs->write_bytes = (accumulator.write_bytes >= vfs->write_bytes) ? accumulator.write_bytes : vfs->write_bytes; - vfs->writev_bytes = (accumulator.writev_bytes >= vfs->writev_bytes) ? accumulator.writev_bytes : vfs->writev_bytes; - vfs->read_bytes = (accumulator.read_bytes >= vfs->read_bytes) ? accumulator.read_bytes : vfs->read_bytes; - vfs->readv_bytes = (accumulator.readv_bytes >= vfs->readv_bytes) ? accumulator.readv_bytes : vfs->readv_bytes; - - vfs->write_err = (accumulator.write_err >= vfs->write_err) ? accumulator.write_err : vfs->write_err; - vfs->writev_err = (accumulator.writev_err >= vfs->writev_err) ? accumulator.writev_err : vfs->writev_err; - vfs->read_err = (accumulator.read_err >= vfs->read_err) ? accumulator.read_err : vfs->read_err; - vfs->readv_err = (accumulator.readv_err >= vfs->readv_err) ? accumulator.readv_err : vfs->readv_err; - vfs->unlink_err = (accumulator.unlink_err >= vfs->unlink_err) ? accumulator.unlink_err : vfs->unlink_err; - vfs->fsync_err = (accumulator.fsync_err >= vfs->fsync_err) ? accumulator.fsync_err : vfs->fsync_err; - vfs->open_err = (accumulator.open_err >= vfs->open_err) ? accumulator.open_err : vfs->open_err; - vfs->create_err = (accumulator.create_err >= vfs->create_err) ? accumulator.create_err : vfs->create_err; -} - -/** - * Send data to Netdata calling auxiliary functions. - * - * @param em the structure with thread information - * @param root the target list. - */ -void ebpf_vfs_send_apps_data(ebpf_module_t *em, struct ebpf_target *root) -{ - struct ebpf_target *w; - for (w = root; w; w = w->next) { - if (unlikely(!(w->charts_created & (1<<EBPF_MODULE_VFS_IDX)))) - continue; - - ebpf_vfs_sum_pids(&w->vfs, w->root_pid); - - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_unlink"); - write_chart_dimension("calls", w->vfs.unlink_call); - ebpf_write_end_chart(); - - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_write"); - write_chart_dimension("calls", w->vfs.write_call + w->vfs.writev_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_write_error"); - write_chart_dimension("calls", w->vfs.write_err + w->vfs.writev_err); - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_read"); - write_chart_dimension("calls", w->vfs.read_call + w->vfs.readv_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_read_error"); - write_chart_dimension("calls", w->vfs.read_err + w->vfs.readv_err); - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_write_bytes"); - write_chart_dimension("writes", w->vfs.write_bytes + w->vfs.writev_bytes); - ebpf_write_end_chart(); - - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_read_bytes"); - write_chart_dimension("reads", w->vfs.read_bytes + w->vfs.readv_bytes); - ebpf_write_end_chart(); - - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_fsync"); - write_chart_dimension("calls", w->vfs.fsync_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_fsync_error"); - write_chart_dimension("calls", w->vfs.fsync_err); - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_open"); - write_chart_dimension("calls", w->vfs.open_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_open_error"); - write_chart_dimension("calls", w->vfs.open_err); - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_create"); - write_chart_dimension("calls", w->vfs.create_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_APP_FAMILY, w->clean_name, "_ebpf_call_vfs_create_error"); - write_chart_dimension("calls", w->vfs.create_err); - ebpf_write_end_chart(); - } - } -} - -/** - * Apps Accumulator - * - * Sum all values read from kernel and store in the first address. - * - * @param out the vector with read values. - */ -static void vfs_apps_accumulator(netdata_publish_vfs_t *out, int maps_per_core) -{ - int i, end = (maps_per_core) ? ebpf_nprocs : 1; - netdata_publish_vfs_t *total = &out[0]; - for (i = 1; i < end; i++) { - netdata_publish_vfs_t *w = &out[i]; - - total->write_call += w->write_call; - total->writev_call += w->writev_call; - total->read_call += w->read_call; - total->readv_call += w->readv_call; - total->unlink_call += w->unlink_call; - - total->write_bytes += w->write_bytes; - total->writev_bytes += w->writev_bytes; - total->read_bytes += w->read_bytes; - total->readv_bytes += w->readv_bytes; - - total->write_err += w->write_err; - total->writev_err += w->writev_err; - total->read_err += w->read_err; - total->readv_err += w->readv_err; - total->unlink_err += w->unlink_err; - } -} - -/** - * Fill PID - * - * Fill PID structures - * - * @param current_pid pid that we are collecting data - * @param out values read from hash tables; - */ -static void vfs_fill_pid(uint32_t current_pid, netdata_publish_vfs_t *publish) -{ - netdata_publish_vfs_t *curr = vfs_pid[current_pid]; - if (!curr) { - curr = ebpf_vfs_get(); - vfs_pid[current_pid] = curr; - } - - memcpy(curr, &publish[0], sizeof(netdata_publish_vfs_t)); -} - -/** - * Read the hash table and store data to allocated vectors. - */ -static void ebpf_vfs_read_apps(int maps_per_core) -{ - struct ebpf_pid_stat *pids = ebpf_root_of_pids; - netdata_publish_vfs_t *vv = vfs_vector; - int fd = vfs_maps[NETDATA_VFS_PID].map_fd; - size_t length = sizeof(netdata_publish_vfs_t); - if (maps_per_core) - length *= ebpf_nprocs; - - while (pids) { - uint32_t key = pids->pid; - - if (bpf_map_lookup_elem(fd, &key, vv)) { - pids = pids->next; - continue; - } - - vfs_apps_accumulator(vv, maps_per_core); - - vfs_fill_pid(key, vv); - - // We are cleaning to avoid passing data read from one process to other. - memset(vv, 0, length); - - pids = pids->next; - } -} - -/** - * Update cgroup - * - * Update cgroup data based in PID. - * - * @param maps_per_core do I need to read all cores? - */ -static void read_update_vfs_cgroup(int maps_per_core) -{ - ebpf_cgroup_target_t *ect ; - netdata_publish_vfs_t *vv = vfs_vector; - int fd = vfs_maps[NETDATA_VFS_PID].map_fd; - size_t length = sizeof(netdata_publish_vfs_t); - if (maps_per_core) - length *= ebpf_nprocs; - - 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; - netdata_publish_vfs_t *out = &pids->vfs; - if (likely(vfs_pid) && vfs_pid[pid]) { - netdata_publish_vfs_t *in = vfs_pid[pid]; - - memcpy(out, in, sizeof(netdata_publish_vfs_t)); - } else { - memset(vv, 0, length); - if (!bpf_map_lookup_elem(fd, &pid, vv)) { - vfs_apps_accumulator(vv, maps_per_core); - - memcpy(out, vv, sizeof(netdata_publish_vfs_t)); - } - } - } - } - pthread_mutex_unlock(&mutex_cgroup_shm); -} - -/** - * Sum PIDs - * - * Sum values for all targets. - * - * @param vfs structure used to store data - * @param pids input data - */ -static void ebpf_vfs_sum_cgroup_pids(netdata_publish_vfs_t *vfs, struct pid_on_target2 *pids) - { - netdata_publish_vfs_t accumulator; - memset(&accumulator, 0, sizeof(accumulator)); - - while (pids) { - netdata_publish_vfs_t *w = &pids->vfs; - - accumulator.write_call += w->write_call; - accumulator.writev_call += w->writev_call; - accumulator.read_call += w->read_call; - accumulator.readv_call += w->readv_call; - accumulator.unlink_call += w->unlink_call; - accumulator.fsync_call += w->fsync_call; - accumulator.open_call += w->open_call; - accumulator.create_call += w->create_call; - - accumulator.write_bytes += w->write_bytes; - accumulator.writev_bytes += w->writev_bytes; - accumulator.read_bytes += w->read_bytes; - accumulator.readv_bytes += w->readv_bytes; - - accumulator.write_err += w->write_err; - accumulator.writev_err += w->writev_err; - accumulator.read_err += w->read_err; - accumulator.readv_err += w->readv_err; - accumulator.unlink_err += w->unlink_err; - accumulator.fsync_err += w->fsync_err; - accumulator.open_err += w->open_err; - accumulator.create_err += w->create_err; - - pids = pids->next; - } - - // These conditions were added, because we are using incremental algorithm - vfs->write_call = (accumulator.write_call >= vfs->write_call) ? accumulator.write_call : vfs->write_call; - vfs->writev_call = (accumulator.writev_call >= vfs->writev_call) ? accumulator.writev_call : vfs->writev_call; - vfs->read_call = (accumulator.read_call >= vfs->read_call) ? accumulator.read_call : vfs->read_call; - vfs->readv_call = (accumulator.readv_call >= vfs->readv_call) ? accumulator.readv_call : vfs->readv_call; - vfs->unlink_call = (accumulator.unlink_call >= vfs->unlink_call) ? accumulator.unlink_call : vfs->unlink_call; - vfs->fsync_call = (accumulator.fsync_call >= vfs->fsync_call) ? accumulator.fsync_call : vfs->fsync_call; - vfs->open_call = (accumulator.open_call >= vfs->open_call) ? accumulator.open_call : vfs->open_call; - vfs->create_call = (accumulator.create_call >= vfs->create_call) ? accumulator.create_call : vfs->create_call; - - vfs->write_bytes = (accumulator.write_bytes >= vfs->write_bytes) ? accumulator.write_bytes : vfs->write_bytes; - vfs->writev_bytes = (accumulator.writev_bytes >= vfs->writev_bytes) ? accumulator.writev_bytes : vfs->writev_bytes; - vfs->read_bytes = (accumulator.read_bytes >= vfs->read_bytes) ? accumulator.read_bytes : vfs->read_bytes; - vfs->readv_bytes = (accumulator.readv_bytes >= vfs->readv_bytes) ? accumulator.readv_bytes : vfs->readv_bytes; - - vfs->write_err = (accumulator.write_err >= vfs->write_err) ? accumulator.write_err : vfs->write_err; - vfs->writev_err = (accumulator.writev_err >= vfs->writev_err) ? accumulator.writev_err : vfs->writev_err; - vfs->read_err = (accumulator.read_err >= vfs->read_err) ? accumulator.read_err : vfs->read_err; - vfs->readv_err = (accumulator.readv_err >= vfs->readv_err) ? accumulator.readv_err : vfs->readv_err; - vfs->unlink_err = (accumulator.unlink_err >= vfs->unlink_err) ? accumulator.unlink_err : vfs->unlink_err; - vfs->fsync_err = (accumulator.fsync_err >= vfs->fsync_err) ? accumulator.fsync_err : vfs->fsync_err; - vfs->open_err = (accumulator.open_err >= vfs->open_err) ? accumulator.open_err : vfs->open_err; - vfs->create_err = (accumulator.create_err >= vfs->create_err) ? accumulator.create_err : vfs->create_err; -} - -/** - * Create specific VFS charts - * - * Create charts for cgroup/application. - * - * @param type the chart type. - * @param em the main thread structure. - */ -static void ebpf_create_specific_vfs_charts(char *type, ebpf_module_t *em) -{ - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_FILE_DELETED,"Files deleted", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_UNLINK_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5500, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_UNLINK], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS, "Write to disk", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_WRITE_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5501, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_WRITE], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS_ERROR, "Fails to write", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_WRITE_ERROR_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5502, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_WRITE], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } - - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_READ_CALLS, "Read from disk", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_READ_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5503, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_READ_CALLS_ERROR, "Fails to read", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_READ_ERROR_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5504, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } - - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_WRITE_BYTES, "Bytes written on disk", - EBPF_COMMON_DIMENSION_BYTES, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_WRITE_BYTES_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5505, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_WRITE], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_READ_BYTES, "Bytes read from disk", - EBPF_COMMON_DIMENSION_BYTES, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_READ_BYTES_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5506, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_FSYNC, "Calls to vfs_fsync.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_FSYNC_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5507, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_FSYNC_CALLS_ERROR, "Sync error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_FSYNC_ERROR_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5508, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } - - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_OPEN, "Calls to vfs_open.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_OPEN_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5509, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_OPEN_CALLS_ERROR, "Open error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_OPEN_ERROR_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5510, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } - - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_CREATE, "Calls to vfs_create.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_CREATE_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5511, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(type, NETDATA_SYSCALL_APPS_VFS_CREATE_CALLS_ERROR, "Create error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, NETDATA_CGROUP_VFS_CREATE_ERROR_CONTEXT, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5512, - ebpf_create_global_dimension, &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } -} - -/** - * Obsolete specific VFS charts - * - * Obsolete charts for cgroup/application. - * - * @param type the chart type. - * @param em the main thread structure. - */ -static void ebpf_obsolete_specific_vfs_charts(char *type, ebpf_module_t *em) -{ - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_FILE_DELETED, "", "Files deleted", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_UNLINK_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5500, em->update_every); - - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS, "", "Write to disk", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_WRITE_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5501, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS_ERROR, "", "Fails to write", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_WRITE_ERROR_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5502, em->update_every); - } - - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_READ_CALLS, "", "Read from disk", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_READ_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5503, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_READ_CALLS_ERROR, "", "Fails to read", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_READ_ERROR_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5504, em->update_every); - } - - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_WRITE_BYTES, "", "Bytes written on disk", - EBPF_COMMON_DIMENSION_BYTES, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_WRITE_BYTES_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5505, em->update_every); - - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_READ_BYTES, "", "Bytes read from disk", - EBPF_COMMON_DIMENSION_BYTES, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_READ_BYTES_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5506, em->update_every); - - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_FSYNC, "", "Calls to vfs_fsync.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_FSYNC_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5507, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_FSYNC_CALLS_ERROR, "", "Sync error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_FSYNC_ERROR_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5508, em->update_every); - } - - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_OPEN, "", "Calls to vfs_open.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_OPEN_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5509, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_OPEN_CALLS_ERROR, "", "Open error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_OPEN_ERROR_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5510, em->update_every); - } - - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_CREATE, "", "Calls to vfs_create.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_CREATE_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5511, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_obsolete(type, NETDATA_SYSCALL_APPS_VFS_CREATE_CALLS_ERROR, "", "Create error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_LINE, NETDATA_CGROUP_VFS_CREATE_ERROR_CONTEXT, - NETDATA_CHART_PRIO_CGROUPS_CONTAINERS + 5512, em->update_every); - } -} - -/* - * Send specific VFS data - * - * Send data for specific cgroup/apps. - * - * @param type chart type - * @param values structure with values that will be sent to netdata - */ -static void ebpf_send_specific_vfs_data(char *type, netdata_publish_vfs_t *values, ebpf_module_t *em) -{ - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_FILE_DELETED, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_UNLINK].name, (long long)values->unlink_call); - ebpf_write_end_chart(); - - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_WRITE].name, - (long long)values->write_call + (long long)values->writev_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS_ERROR, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_WRITE].name, - (long long)values->write_err + (long long)values->writev_err); - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_READ_CALLS, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ].name, - (long long)values->read_call + (long long)values->readv_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_READ_CALLS_ERROR, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ].name, - (long long)values->read_err + (long long)values->readv_err); - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_WRITE_BYTES, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_WRITE].name, - (long long)values->write_bytes + (long long)values->writev_bytes); - ebpf_write_end_chart(); - - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_READ_BYTES, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ].name, - (long long)values->read_bytes + (long long)values->readv_bytes); - ebpf_write_end_chart(); - - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_FSYNC, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC].name, - (long long)values->fsync_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_FSYNC_CALLS_ERROR, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC].name, - (long long)values->fsync_err); - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_OPEN, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN].name, - (long long)values->open_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_OPEN_CALLS_ERROR, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN].name, - (long long)values->open_err); - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_CREATE, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE].name, - (long long)values->create_call); - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(type, NETDATA_SYSCALL_APPS_VFS_CREATE_CALLS_ERROR, ""); - write_chart_dimension(vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE].name, - (long long)values->create_err); - ebpf_write_end_chart(); - } -} - -/** - * Create Systemd Socket Charts - * - * Create charts when systemd is enabled - * - * @param em the main collector structure - **/ -static void ebpf_create_systemd_vfs_charts(ebpf_module_t *em) -{ - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_FILE_DELETED, "Files deleted", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20065, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_UNLINK_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS, "Write to disk", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20066, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_WRITE_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS_ERROR, "Fails to write", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20067, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], - NETDATA_SYSTEMD_VFS_WRITE_ERROR_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - } - - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_READ_CALLS, "Read from disk", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20068, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_READ_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_READ_CALLS_ERROR, "Fails to read", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20069, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], - NETDATA_SYSTEMD_VFS_READ_ERROR_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - } - - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_WRITE_BYTES, "Bytes written on disk", - EBPF_COMMON_DIMENSION_BYTES, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20070, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_WRITE_BYTES_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_READ_BYTES, "Bytes read from disk", - EBPF_COMMON_DIMENSION_BYTES, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20071, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_READ_BYTES_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_FSYNC, "Calls to vfs_fsync.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20072, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_FSYNC_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_FSYNC_CALLS_ERROR, "Sync error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20073, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_FSYNC_ERROR_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - } - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_OPEN, "Calls to vfs_open.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20074, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_OPEN_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_OPEN_CALLS_ERROR, "Open error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20075, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_OPEN_ERROR_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - } - - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_CREATE, "Calls to vfs_create.", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20076, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_CREATE_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_create_charts_on_systemd(NETDATA_SYSCALL_APPS_VFS_CREATE_CALLS_ERROR, "Create error", - EBPF_COMMON_DIMENSION_CALL, NETDATA_VFS_CGROUP_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, 20077, - ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX], NETDATA_SYSTEMD_VFS_CREATE_ERROR_CONTEXT, - NETDATA_EBPF_MODULE_NAME_VFS, em->update_every); - } -} - -/** - * Send Systemd charts - * - * Send collected data to Netdata. - * - * @param em the main collector structure - */ -static void ebpf_send_systemd_vfs_charts(ebpf_module_t *em) -{ - ebpf_cgroup_target_t *ect; - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_FILE_DELETED, ""); - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (unlikely(ect->systemd) && unlikely(ect->updated)) { - write_chart_dimension(ect->name, ect->publish_systemd_vfs.unlink_call); - } - } - ebpf_write_end_chart(); - - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS, ""); - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (unlikely(ect->systemd) && unlikely(ect->updated)) { - write_chart_dimension(ect->name, ect->publish_systemd_vfs.write_call + - ect->publish_systemd_vfs.writev_call); - } - } - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_WRITE_CALLS_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_vfs.write_err + - ect->publish_systemd_vfs.writev_err); - } - } - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_READ_CALLS, ""); - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (unlikely(ect->systemd) && unlikely(ect->updated)) { - write_chart_dimension(ect->name, ect->publish_systemd_vfs.read_call + - ect->publish_systemd_vfs.readv_call); - } - } - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_READ_CALLS_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_vfs.read_err + - ect->publish_systemd_vfs.readv_err); - } - } - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_WRITE_BYTES, ""); - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (unlikely(ect->systemd) && unlikely(ect->updated)) { - write_chart_dimension(ect->name, ect->publish_systemd_vfs.write_bytes + - ect->publish_systemd_vfs.writev_bytes); - } - } - ebpf_write_end_chart(); - - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_READ_BYTES, ""); - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (unlikely(ect->systemd) && unlikely(ect->updated)) { - write_chart_dimension(ect->name, ect->publish_systemd_vfs.read_bytes + - ect->publish_systemd_vfs.readv_bytes); - } - } - ebpf_write_end_chart(); - - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_FSYNC, ""); - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (unlikely(ect->systemd) && unlikely(ect->updated)) { - write_chart_dimension(ect->name, ect->publish_systemd_vfs.fsync_call); - } - } - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_FSYNC_CALLS_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_vfs.fsync_err); - } - } - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_OPEN, ""); - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (unlikely(ect->systemd) && unlikely(ect->updated)) { - write_chart_dimension(ect->name, ect->publish_systemd_vfs.open_call); - } - } - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_OPEN_CALLS_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_vfs.open_err); - } - } - ebpf_write_end_chart(); - } - - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_CREATE, ""); - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (unlikely(ect->systemd) && unlikely(ect->updated)) { - write_chart_dimension(ect->name, ect->publish_systemd_vfs.create_call); - } - } - ebpf_write_end_chart(); - - if (em->mode < MODE_ENTRY) { - ebpf_write_begin_chart(NETDATA_SERVICE_FAMILY, NETDATA_SYSCALL_APPS_VFS_CREATE_CALLS_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_vfs.create_err); - } - } - ebpf_write_end_chart(); - } -} - -/** - * Send data to Netdata calling auxiliary functions. - * - * @param em the main collector structure -*/ -static void ebpf_vfs_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_vfs_sum_cgroup_pids(&ect->publish_systemd_vfs, ect->pids); - } - - int has_systemd = shm_ebpf_cgroup.header->systemd_enabled; - if (has_systemd) { - if (send_cgroup_chart) { - ebpf_create_systemd_vfs_charts(em); - } - ebpf_send_systemd_vfs_charts(em); - } - - for (ect = ebpf_cgroup_pids; ect ; ect = ect->next) { - if (ect->systemd) - continue; - - if (!(ect->flags & NETDATA_EBPF_CGROUP_HAS_VFS_CHART) && ect->updated) { - ebpf_create_specific_vfs_charts(ect->name, em); - ect->flags |= NETDATA_EBPF_CGROUP_HAS_VFS_CHART; - } - - if (ect->flags & NETDATA_EBPF_CGROUP_HAS_VFS_CHART) { - if (ect->updated) { - ebpf_send_specific_vfs_data(ect->name, &ect->publish_systemd_vfs, em); - } else { - ebpf_obsolete_specific_vfs_charts(ect->name, em); - ect->flags &= ~NETDATA_EBPF_CGROUP_HAS_VFS_CHART; - } - } - } - - pthread_mutex_unlock(&mutex_cgroup_shm); -} - -/** - * Main loop for this collector. - * - * @param step the number of microseconds used with heart beat - * @param em the structure with thread information - */ -static void vfs_collector(ebpf_module_t *em) -{ - int cgroups = em->cgroup_charts; - heartbeat_t hb; - heartbeat_init(&hb); - int update_every = em->update_every; - int counter = update_every - 1; - int maps_per_core = em->maps_per_core; - uint32_t running_time = 0; - uint32_t lifetime = em->lifetime; - netdata_idx_t *stats = em->hash_table_stats; - memset(stats, 0, sizeof(em->hash_table_stats)); - while (!ebpf_plugin_exit && running_time < lifetime) { - (void)heartbeat_next(&hb, USEC_PER_SEC); - if (ebpf_plugin_exit || ++counter != update_every) - continue; - - counter = 0; - netdata_apps_integration_flags_t apps = em->apps_charts; - ebpf_vfs_read_global_table(stats, maps_per_core); - pthread_mutex_lock(&collect_data_mutex); - if (apps) - ebpf_vfs_read_apps(maps_per_core); - - if (cgroups) - read_update_vfs_cgroup(maps_per_core); - - pthread_mutex_lock(&lock); - -#ifdef NETDATA_DEV_MODE - if (ebpf_aral_vfs_pid) - ebpf_send_data_aral_chart(ebpf_aral_vfs_pid, em); -#endif - - ebpf_vfs_send_data(em); - fflush(stdout); - - if (apps & NETDATA_EBPF_APPS_FLAG_CHART_CREATED) - ebpf_vfs_send_apps_data(em, apps_groups_root_target); - - if (cgroups) - ebpf_vfs_send_cgroup_data(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); - } -} - -/***************************************************************** - * - * FUNCTIONS TO CREATE CHARTS - * - *****************************************************************/ - -/** - * Create IO 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 algorithm the algorithm used to make the charts. - * @param update_every value to overwrite the update frequency set by the server. - */ -static void ebpf_create_io_chart(char *family, char *name, char *axis, char *web, - int order, int algorithm, int update_every) -{ - printf("CHART %s.%s '' 'Bytes written and read' '%s' '%s' '' line %d %d '' 'ebpf.plugin' 'filesystem'\n", - family, - name, - axis, - web, - order, - update_every); - - printf("DIMENSION %s %s %s 1 1\n", - vfs_id_names[NETDATA_KEY_PUBLISH_VFS_READ], - vfs_dimension_names[NETDATA_KEY_PUBLISH_VFS_READ], - ebpf_algorithms[algorithm]); - printf("DIMENSION %s %s %s -1 1\n", - vfs_id_names[NETDATA_KEY_PUBLISH_VFS_WRITE], - vfs_dimension_names[NETDATA_KEY_PUBLISH_VFS_WRITE], - ebpf_algorithms[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_FILESYSTEM_FAMILY, - NETDATA_VFS_FILE_CLEAN_COUNT, - "Remove files", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_CLEAN, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_UNLINK], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - ebpf_create_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FILE_IO_COUNT, - "Calls to IO", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_COUNT, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ], - 2, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - ebpf_create_io_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_IO_FILE_BYTES, EBPF_COMMON_DIMENSION_BYTES, - NETDATA_VFS_GROUP, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_BYTES, - NETDATA_EBPF_INCREMENTAL_IDX, em->update_every); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FILE_ERR_COUNT, - "Fails to write or read", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_EBYTES, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_READ], - 2, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } - - ebpf_create_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FSYNC, - "Calls to vfs_fsync.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_FSYNC, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_FSYNC_ERR, - "Fails to synchronize", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_EFSYNC, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_FSYNC], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } - - ebpf_create_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_OPEN, - "Calls to vfs_open.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_OPEN, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_OPEN_ERR, - "Fails to open a file", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_EOPEN, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_OPEN], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } - - ebpf_create_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_CREATE, - "Calls to vfs_create.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_CREATE, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - - if (em->mode < MODE_ENTRY) { - ebpf_create_chart(NETDATA_FILESYSTEM_FAMILY, - NETDATA_VFS_CREATE_ERR, - "Fails to create a file.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NULL, - NETDATA_EBPF_CHART_TYPE_LINE, - NETDATA_CHART_PRIO_FILESYSTEM_VFS_IO_ECREATE, - ebpf_create_global_dimension, - &vfs_publish_aggregated[NETDATA_KEY_PUBLISH_VFS_CREATE], - 1, em->update_every, NETDATA_EBPF_MODULE_NAME_VFS); - } - - fflush(stdout); -} - -/** - * 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_vfs_create_apps_charts(struct ebpf_module *em, void *ptr) -{ - struct ebpf_target *root = ptr; - struct ebpf_target *w; - int order = 20275; - int update_every = em->update_every; - for (w = root; w; w = w->next) { - if (unlikely(!w->exposed)) - continue; - - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_unlink", - "Files deleted.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_unlink", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_write", - "Write to disk.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_write", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_write_error", - "Fails to write.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_write_error", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - } - - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_read", - "Read from disk.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_read", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_read_error", - "Fails to read.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_read_error", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - } - - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_write_bytes", - "Bytes written on disk.", - EBPF_COMMON_DIMENSION_BYTES, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_write_bytes", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION writes '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_read_bytes", - "Bytes read from disk.", - EBPF_COMMON_DIMENSION_BYTES, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_read_bytes", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION reads '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_fsync", - "Calls to vfs_fsync.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_fsync", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_fsync_error", - "Fails to sync.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_fsync_error", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - } - - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_open", - "Calls to vfs_open.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_open", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_open_error", - "Fails to open.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_open_error", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - } - - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_create", - "Calls to vfs_create.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_create", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - - if (em->mode < MODE_ENTRY) { - ebpf_write_chart_cmd(NETDATA_APP_FAMILY, - w->clean_name, - "_ebpf_call_vfs_create_error", - "Fails to create a file.", - EBPF_COMMON_DIMENSION_CALL, - NETDATA_VFS_GROUP, - NETDATA_EBPF_CHART_TYPE_STACKED, - "app.ebpf_call_vfs_create_error", - order++, - update_every, - NETDATA_EBPF_MODULE_NAME_VFS); - ebpf_create_chart_labels("app_group", w->name, 1); - ebpf_commit_label(); - fprintf(stdout, "DIMENSION calls '' %s 1 1\n", ebpf_algorithms[NETDATA_EBPF_INCREMENTAL_IDX]); - } - - w->charts_created |= 1<<EBPF_MODULE_VFS_IDX; - } - - em->apps_charts |= NETDATA_EBPF_APPS_FLAG_CHART_CREATED; -} - -/***************************************************************** - * - * 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 apps is apps enabled? - */ -static void ebpf_vfs_allocate_global_vectors(int apps) -{ - if (apps) { - ebpf_vfs_aral_init(); - vfs_pid = callocz((size_t)pid_max, sizeof(netdata_publish_vfs_t *)); - vfs_vector = callocz(ebpf_nprocs, sizeof(netdata_publish_vfs_t)); - } - - memset(vfs_aggregated_data, 0, sizeof(vfs_aggregated_data)); - memset(vfs_publish_aggregated, 0, sizeof(vfs_publish_aggregated)); - - vfs_hash_values = callocz(ebpf_nprocs, sizeof(netdata_idx_t)); -} - -/***************************************************************** - * - * EBPF VFS THREAD - * - *****************************************************************/ - -/* - * Load BPF - * - * Load BPF files. - * - * @param em the structure with configuration - */ -static int ebpf_vfs_load_bpf(ebpf_module_t *em) -{ -#ifdef LIBBPF_MAJOR_VERSION - ebpf_define_map_type(em->maps, em->maps_per_core, running_on_kernel); -#endif - - int ret = 0; - ebpf_adjust_apps_cgroup(em, em->targets[NETDATA_EBPF_VFS_WRITE].mode); - if (em->load & EBPF_LOAD_LEGACY) { - em->probe_links = ebpf_load_program(ebpf_plugin_dir, em, running_on_kernel, isrh, &em->objects); - if (!em->probe_links) { - ret = -1; - } - } -#ifdef LIBBPF_MAJOR_VERSION - else { - vfs_bpf_obj = vfs_bpf__open(); - if (!vfs_bpf_obj) - ret = -1; - else - ret = ebpf_vfs_load_and_attach(vfs_bpf_obj, em); - } -#endif - - return ret; -} - -/** - * Process thread - * - * Thread used to generate process charts. - * - * @param ptr a pointer to `struct ebpf_module` - * - * @return It always return NULL - */ -void *ebpf_vfs_thread(void *ptr) -{ - netdata_thread_cleanup_push(ebpf_vfs_exit, ptr); - - ebpf_module_t *em = (ebpf_module_t *)ptr; - em->maps = vfs_maps; - - ebpf_update_pid_table(&vfs_maps[NETDATA_VFS_PID], em); - - ebpf_vfs_allocate_global_vectors(em->apps_charts); - -#ifdef LIBBPF_MAJOR_VERSION - ebpf_adjust_thread_load(em, default_btf); -#endif - if (ebpf_vfs_load_bpf(em)) { - goto endvfs; - } - - int algorithms[NETDATA_KEY_PUBLISH_VFS_END] = { - NETDATA_EBPF_INCREMENTAL_IDX, NETDATA_EBPF_INCREMENTAL_IDX,NETDATA_EBPF_INCREMENTAL_IDX, - NETDATA_EBPF_INCREMENTAL_IDX, NETDATA_EBPF_INCREMENTAL_IDX,NETDATA_EBPF_INCREMENTAL_IDX - }; - - ebpf_global_labels(vfs_aggregated_data, vfs_publish_aggregated, vfs_dimension_names, - vfs_id_names, algorithms, NETDATA_KEY_PUBLISH_VFS_END); - - pthread_mutex_lock(&lock); - ebpf_create_global_charts(em); - ebpf_update_stats(&plugin_statistics, em); - ebpf_update_kernel_memory_with_vector(&plugin_statistics, em->maps, EBPF_ACTION_STAT_ADD); -#ifdef NETDATA_DEV_MODE - if (ebpf_aral_vfs_pid) - vfs_disable_priority = ebpf_statistic_create_aral_chart(NETDATA_EBPF_VFS_ARAL_NAME, em); -#endif - - pthread_mutex_unlock(&lock); - - vfs_collector(em); - -endvfs: - ebpf_update_disabled_plugin_stats(em); - - netdata_thread_cleanup_pop(1); - return NULL; -} |