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-rw-r--r--collectors/ebpf.plugin/ebpf.c200
1 files changed, 153 insertions, 47 deletions
diff --git a/collectors/ebpf.plugin/ebpf.c b/collectors/ebpf.plugin/ebpf.c
index c0764c600..45303574f 100644
--- a/collectors/ebpf.plugin/ebpf.c
+++ b/collectors/ebpf.plugin/ebpf.c
@@ -6,6 +6,7 @@
#include "ebpf.h"
#include "ebpf_socket.h"
+#include "ebpf_unittest.h"
#include "libnetdata/required_dummies.h"
/*****************************************************************
@@ -54,7 +55,8 @@ ebpf_module_t ebpf_modules[] = {
.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 |
NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -62,7 +64,8 @@ ebpf_module_t ebpf_modules[] = {
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = socket_targets, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = socket_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -71,7 +74,8 @@ ebpf_module_t ebpf_modules[] = {
.config_file = NETDATA_CACHESTAT_CONFIG_FILE,
.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},
+ .load = EBPF_LOAD_LEGACY, .targets = cachestat_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_NOT_SET, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -79,7 +83,8 @@ ebpf_module_t ebpf_modules[] = {
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = sync_targets, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = sync_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -87,7 +92,8 @@ ebpf_module_t ebpf_modules[] = {
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = dc_targets, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = dc_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -95,7 +101,8 @@ ebpf_module_t ebpf_modules[] = {
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = swap_targets, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = swap_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -103,28 +110,32 @@ ebpf_module_t ebpf_modules[] = {
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = vfs_targets, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = vfs_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.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, .thread = NULL },
+ .kernels = 0, .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES },
{ .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,
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = mount_targets, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = mount_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -133,21 +144,24 @@ ebpf_module_t ebpf_modules[] = {
.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 |
NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = fd_targets, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = fd_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -155,7 +169,8 @@ ebpf_module_t ebpf_modules[] = {
.pid_map_size = ND_EBPF_DEFAULT_PID_SIZE, .names = NULL, .cfg = &oomkill_config,
.config_file = NETDATA_OOMKILL_CONFIG_FILE,
.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},
+ .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.apps_level = NETDATA_APPS_LEVEL_REAL_PARENT, .cgroup_charts = CONFIG_BOOLEAN_NO, .mode = MODE_ENTRY, .optional = 0,
@@ -163,19 +178,21 @@ ebpf_module_t ebpf_modules[] = {
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = shm_targets, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = shm_targets, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .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,
.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 | NETDATA_V5_14,
- .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL},
+ .load = EBPF_LOAD_LEGACY, .targets = NULL, .probe_links = NULL, .objects = NULL,
+ .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
{ .thread_name = NULL, .enabled = 0, .start_routine = NULL, .update_every = EBPF_DEFAULT_UPDATE_EVERY,
.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},
+ .targets = NULL, .probe_links = NULL, .objects = NULL, .thread = NULL, .maps_per_core = CONFIG_BOOLEAN_YES},
};
struct netdata_static_thread ebpf_threads[] = {
@@ -360,7 +377,8 @@ ebpf_filesystem_partitions_t localfs[] =
.flags = NETDATA_FILESYSTEM_FLAG_NO_PARTITION,
.enabled = CONFIG_BOOLEAN_YES,
.addresses = {.function = NULL, .addr = 0},
- .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4},
+ .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4,
+ .fs_maps = NULL},
{.filesystem = "xfs",
.optional_filesystem = NULL,
.family = "xfs",
@@ -369,7 +387,8 @@ ebpf_filesystem_partitions_t localfs[] =
.flags = NETDATA_FILESYSTEM_FLAG_NO_PARTITION,
.enabled = CONFIG_BOOLEAN_YES,
.addresses = {.function = NULL, .addr = 0},
- .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4},
+ .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4,
+ .fs_maps = NULL},
{.filesystem = "nfs",
.optional_filesystem = "nfs4",
.family = "nfs",
@@ -378,7 +397,8 @@ ebpf_filesystem_partitions_t localfs[] =
.flags = NETDATA_FILESYSTEM_ATTR_CHARTS,
.enabled = CONFIG_BOOLEAN_YES,
.addresses = {.function = NULL, .addr = 0},
- .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4},
+ .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4,
+ .fs_maps = NULL},
{.filesystem = "zfs",
.optional_filesystem = NULL,
.family = "zfs",
@@ -387,7 +407,8 @@ ebpf_filesystem_partitions_t localfs[] =
.flags = NETDATA_FILESYSTEM_FLAG_NO_PARTITION,
.enabled = CONFIG_BOOLEAN_YES,
.addresses = {.function = NULL, .addr = 0},
- .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4},
+ .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4,
+ .fs_maps = NULL},
{.filesystem = "btrfs",
.optional_filesystem = NULL,
.family = "btrfs",
@@ -396,7 +417,8 @@ ebpf_filesystem_partitions_t localfs[] =
.flags = NETDATA_FILESYSTEM_FILL_ADDRESS_TABLE,
.enabled = CONFIG_BOOLEAN_YES,
.addresses = {.function = "btrfs_file_operations", .addr = 0},
- .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_10},
+ .kernels = NETDATA_V3_10 | NETDATA_V4_14 | NETDATA_V4_16 | NETDATA_V4_18 | NETDATA_V5_4 | NETDATA_V5_10,
+ .fs_maps = NULL},
{.filesystem = NULL,
.optional_filesystem = NULL,
.family = NULL,
@@ -405,43 +427,50 @@ ebpf_filesystem_partitions_t localfs[] =
.flags = NETDATA_FILESYSTEM_FLAG_NO_PARTITION,
.enabled = CONFIG_BOOLEAN_YES,
.addresses = {.function = NULL, .addr = 0},
- .kernels = 0}};
+ .kernels = 0, .fs_maps = NULL}};
ebpf_sync_syscalls_t local_syscalls[] = {
{.syscall = NETDATA_SYSCALLS_SYNC, .enabled = CONFIG_BOOLEAN_YES, .objects = NULL, .probe_links = NULL,
#ifdef LIBBPF_MAJOR_VERSION
- .sync_obj = NULL
+ .sync_obj = NULL,
#endif
+ .sync_maps = NULL
},
{.syscall = NETDATA_SYSCALLS_SYNCFS, .enabled = CONFIG_BOOLEAN_YES, .objects = NULL, .probe_links = NULL,
#ifdef LIBBPF_MAJOR_VERSION
- .sync_obj = NULL
+ .sync_obj = NULL,
#endif
+ .sync_maps = NULL
},
{.syscall = NETDATA_SYSCALLS_MSYNC, .enabled = CONFIG_BOOLEAN_YES, .objects = NULL, .probe_links = NULL,
#ifdef LIBBPF_MAJOR_VERSION
- .sync_obj = NULL
+ .sync_obj = NULL,
#endif
+ .sync_maps = NULL
},
{.syscall = NETDATA_SYSCALLS_FSYNC, .enabled = CONFIG_BOOLEAN_YES, .objects = NULL, .probe_links = NULL,
#ifdef LIBBPF_MAJOR_VERSION
- .sync_obj = NULL
+ .sync_obj = NULL,
#endif
+ .sync_maps = NULL
},
{.syscall = NETDATA_SYSCALLS_FDATASYNC, .enabled = CONFIG_BOOLEAN_YES, .objects = NULL, .probe_links = NULL,
#ifdef LIBBPF_MAJOR_VERSION
- .sync_obj = NULL
+ .sync_obj = NULL,
#endif
+ .sync_maps = NULL
},
{.syscall = NETDATA_SYSCALLS_SYNC_FILE_RANGE, .enabled = CONFIG_BOOLEAN_YES, .objects = NULL, .probe_links = NULL,
#ifdef LIBBPF_MAJOR_VERSION
- .sync_obj = NULL
+ .sync_obj = NULL,
#endif
+ .sync_maps = NULL
},
{.syscall = NULL, .enabled = CONFIG_BOOLEAN_NO, .objects = NULL, .probe_links = NULL,
#ifdef LIBBPF_MAJOR_VERSION
- .sync_obj = NULL
+ .sync_obj = NULL,
#endif
+ .sync_maps = NULL
}
};
@@ -550,7 +579,7 @@ static void ebpf_exit()
* @param objects objects loaded from eBPF programs
* @param probe_links links from loader
*/
-static void ebpf_unload_legacy_code(struct bpf_object *objects, struct bpf_link **probe_links)
+void ebpf_unload_legacy_code(struct bpf_object *objects, struct bpf_link **probe_links)
{
if (!probe_links || !objects)
return;
@@ -1738,6 +1767,21 @@ static inline void epbf_update_load_mode(char *str, netdata_ebpf_load_mode_t ori
}
/**
+ * Update Map per core
+ *
+ * Define the map type used with some hash tables.
+ */
+static void ebpf_update_map_per_core()
+{
+ int i;
+ int value = appconfig_get_boolean(&collector_config, EBPF_GLOBAL_SECTION,
+ EBPF_CFG_MAPS_PER_CORE, CONFIG_BOOLEAN_YES);
+ for (i = 0; ebpf_modules[i].thread_name; i++) {
+ ebpf_modules[i].maps_per_core = value;
+ }
+}
+
+/**
* Read collector values
*
* @param disable_apps variable to store information related to apps.
@@ -1790,6 +1834,8 @@ static void read_collector_values(int *disable_apps, int *disable_cgroups,
enabled = appconfig_get_boolean(&collector_config, EBPF_GLOBAL_SECTION, EBPF_CFG_CGROUP, CONFIG_BOOLEAN_NO);
*disable_cgroups = (enabled == CONFIG_BOOLEAN_NO)?CONFIG_BOOLEAN_YES:CONFIG_BOOLEAN_NO;
+ ebpf_update_map_per_core();
+
// Read ebpf programs section
enabled = appconfig_get_boolean(&collector_config, EBPF_PROGRAMS_SECTION,
ebpf_modules[EBPF_MODULE_PROCESS_IDX].config_name, CONFIG_BOOLEAN_YES);
@@ -2015,6 +2061,48 @@ static inline void ebpf_load_thread_config()
}
/**
+ * Check Conditions
+ *
+ * This function checks kernel that plugin is running and permissions.
+ *
+ * @return It returns 0 on success and -1 otherwise
+ */
+int ebpf_check_conditions()
+{
+ if (!has_condition_to_run(running_on_kernel)) {
+ error("The current collector cannot run on this kernel.");
+ return -1;
+ }
+
+ if (!am_i_running_as_root()) {
+ error(
+ "ebpf.plugin should either run as root (now running with uid %u, euid %u) or have special capabilities..",
+ (unsigned int)getuid(), (unsigned int)geteuid());
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * Adjust memory
+ *
+ * Adjust memory values to load eBPF programs.
+ *
+ * @return It returns 0 on success and -1 otherwise
+ */
+int ebpf_adjust_memory_limit()
+{
+ struct rlimit r = { RLIM_INFINITY, RLIM_INFINITY };
+ if (setrlimit(RLIMIT_MEMLOCK, &r)) {
+ error("Setrlimit(RLIMIT_MEMLOCK)");
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
* Parse arguments given from user.
*
* @param argc the number of arguments
@@ -2052,6 +2140,7 @@ static void ebpf_parse_args(int argc, char **argv)
{"return", no_argument, 0, 0 },
{"legacy", no_argument, 0, 0 },
{"core", no_argument, 0, 0 },
+ {"unittest", no_argument, 0, 0 },
{0, 0, 0, 0}
};
@@ -2242,6 +2331,33 @@ static void ebpf_parse_args(int argc, char **argv)
#endif
break;
}
+ case EBPF_OPTION_UNITTEST: {
+ // if we cannot run until the end, we will cancel the unittest
+ int exit_code = ECANCELED;
+ if (ebpf_check_conditions())
+ goto unittest;
+
+ if (ebpf_adjust_memory_limit())
+ goto unittest;
+
+ // Load binary in entry mode
+ ebpf_ut_initialize_structure(MODE_ENTRY);
+ if (ebpf_ut_load_real_binary())
+ goto unittest;
+
+ ebpf_ut_cleanup_memory();
+
+ // Do not load a binary in entry mode
+ ebpf_ut_initialize_structure(MODE_ENTRY);
+ if (ebpf_ut_load_fake_binary())
+ goto unittest;
+
+ ebpf_ut_cleanup_memory();
+
+ exit_code = 0;
+unittest:
+ exit(exit_code);
+ }
default: {
break;
}
@@ -2460,17 +2576,8 @@ int main(int argc, char **argv)
ebpf_parse_args(argc, argv);
ebpf_manage_pid(getpid());
- if (!has_condition_to_run(running_on_kernel)) {
- error("The current collector cannot run on this kernel.");
+ if (ebpf_check_conditions())
return 2;
- }
-
- if (!am_i_running_as_root()) {
- error(
- "ebpf.plugin should either run as root (now running with uid %u, euid %u) or have special capabilities..",
- (unsigned int)getuid(), (unsigned int)geteuid());
- return 3;
- }
// set name
program_name = "ebpf.plugin";
@@ -2482,11 +2589,8 @@ int main(int argc, char **argv)
error_log_errors_per_period = 100;
error_log_throttle_period = 3600;
- struct rlimit r = { RLIM_INFINITY, RLIM_INFINITY };
- if (setrlimit(RLIMIT_MEMLOCK, &r)) {
- error("Setrlimit(RLIMIT_MEMLOCK)");
- return 4;
- }
+ if (ebpf_adjust_memory_limit())
+ return 3;
signal(SIGINT, ebpf_stop_threads);
signal(SIGQUIT, ebpf_stop_threads);
@@ -2540,6 +2644,7 @@ int main(int argc, char **argv)
heartbeat_init(&hb);
int update_apps_every = (int) EBPF_CFG_UPDATE_APPS_EVERY_DEFAULT;
int update_apps_list = update_apps_every - 1;
+ int process_maps_per_core = ebpf_modules[EBPF_MODULE_PROCESS_IDX].maps_per_core;
//Plugin will be killed when it receives a signal
while (!ebpf_exit_plugin) {
(void)heartbeat_next(&hb, step);
@@ -2550,7 +2655,7 @@ int main(int argc, char **argv)
if (++update_apps_list == update_apps_every) {
update_apps_list = 0;
cleanup_exited_pids();
- collect_data_for_all_processes(process_pid_fd);
+ collect_data_for_all_processes(process_pid_fd, process_maps_per_core);
pthread_mutex_lock(&lock);
ebpf_create_apps_charts(apps_groups_root_target);
@@ -2565,3 +2670,4 @@ int main(int argc, char **argv)
return 0;
}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-08 06:49:27 +0000