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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/bpf/progs/profiler.h | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/profiler.h')
-rw-r--r-- | tools/testing/selftests/bpf/progs/profiler.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/profiler.h b/tools/testing/selftests/bpf/progs/profiler.h new file mode 100644 index 000000000..3bac4fdd4 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/profiler.h @@ -0,0 +1,177 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2020 Facebook */ +#pragma once + +#define TASK_COMM_LEN 16 +#define MAX_ANCESTORS 4 +#define MAX_PATH 256 +#define KILL_TARGET_LEN 64 +#define CTL_MAXNAME 10 +#define MAX_ARGS_LEN 4096 +#define MAX_FILENAME_LEN 512 +#define MAX_ENVIRON_LEN 8192 +#define MAX_PATH_DEPTH 32 +#define MAX_FILEPATH_LENGTH (MAX_PATH_DEPTH * MAX_PATH) +#define MAX_CGROUPS_PATH_DEPTH 8 + +#define MAX_METADATA_PAYLOAD_LEN TASK_COMM_LEN + +#define MAX_CGROUP_PAYLOAD_LEN \ + (MAX_PATH * 2 + (MAX_PATH * MAX_CGROUPS_PATH_DEPTH)) + +#define MAX_CAP_PAYLOAD_LEN (MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN) + +#define MAX_SYSCTL_PAYLOAD_LEN \ + (MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN + CTL_MAXNAME + MAX_PATH) + +#define MAX_KILL_PAYLOAD_LEN \ + (MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN + TASK_COMM_LEN + \ + KILL_TARGET_LEN) + +#define MAX_EXEC_PAYLOAD_LEN \ + (MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN + MAX_FILENAME_LEN + \ + MAX_ARGS_LEN + MAX_ENVIRON_LEN) + +#define MAX_FILEMOD_PAYLOAD_LEN \ + (MAX_METADATA_PAYLOAD_LEN + MAX_CGROUP_PAYLOAD_LEN + MAX_FILEPATH_LENGTH + \ + MAX_FILEPATH_LENGTH) + +enum data_type { + INVALID_EVENT, + EXEC_EVENT, + FORK_EVENT, + KILL_EVENT, + SYSCTL_EVENT, + FILEMOD_EVENT, + MAX_DATA_TYPE_EVENT +}; + +enum filemod_type { + FMOD_OPEN, + FMOD_LINK, + FMOD_SYMLINK, +}; + +struct ancestors_data_t { + pid_t ancestor_pids[MAX_ANCESTORS]; + uint32_t ancestor_exec_ids[MAX_ANCESTORS]; + uint64_t ancestor_start_times[MAX_ANCESTORS]; + uint32_t num_ancestors; +}; + +struct var_metadata_t { + enum data_type type; + pid_t pid; + uint32_t exec_id; + uid_t uid; + gid_t gid; + uint64_t start_time; + uint32_t cpu_id; + uint64_t bpf_stats_num_perf_events; + uint64_t bpf_stats_start_ktime_ns; + uint8_t comm_length; +}; + +struct cgroup_data_t { + ino_t cgroup_root_inode; + ino_t cgroup_proc_inode; + uint64_t cgroup_root_mtime; + uint64_t cgroup_proc_mtime; + uint16_t cgroup_root_length; + uint16_t cgroup_proc_length; + uint16_t cgroup_full_length; + int cgroup_full_path_root_pos; +}; + +struct var_sysctl_data_t { + struct var_metadata_t meta; + struct cgroup_data_t cgroup_data; + struct ancestors_data_t ancestors_info; + uint8_t sysctl_val_length; + uint16_t sysctl_path_length; + char payload[MAX_SYSCTL_PAYLOAD_LEN]; +}; + +struct var_kill_data_t { + struct var_metadata_t meta; + struct cgroup_data_t cgroup_data; + struct ancestors_data_t ancestors_info; + pid_t kill_target_pid; + int kill_sig; + uint32_t kill_count; + uint64_t last_kill_time; + uint8_t kill_target_name_length; + uint8_t kill_target_cgroup_proc_length; + char payload[MAX_KILL_PAYLOAD_LEN]; + size_t payload_length; +}; + +struct var_exec_data_t { + struct var_metadata_t meta; + struct cgroup_data_t cgroup_data; + pid_t parent_pid; + uint32_t parent_exec_id; + uid_t parent_uid; + uint64_t parent_start_time; + uint16_t bin_path_length; + uint16_t cmdline_length; + uint16_t environment_length; + char payload[MAX_EXEC_PAYLOAD_LEN]; +}; + +struct var_fork_data_t { + struct var_metadata_t meta; + pid_t parent_pid; + uint32_t parent_exec_id; + uint64_t parent_start_time; + char payload[MAX_METADATA_PAYLOAD_LEN]; +}; + +struct var_filemod_data_t { + struct var_metadata_t meta; + struct cgroup_data_t cgroup_data; + enum filemod_type fmod_type; + unsigned int dst_flags; + uint32_t src_device_id; + uint32_t dst_device_id; + ino_t src_inode; + ino_t dst_inode; + uint16_t src_filepath_length; + uint16_t dst_filepath_length; + char payload[MAX_FILEMOD_PAYLOAD_LEN]; +}; + +struct profiler_config_struct { + bool fetch_cgroups_from_bpf; + ino_t cgroup_fs_inode; + ino_t cgroup_login_session_inode; + uint64_t kill_signals_mask; + ino_t inode_filter; + uint32_t stale_info_secs; + bool use_variable_buffers; + bool read_environ_from_exec; + bool enable_cgroup_v1_resolver; +}; + +struct bpf_func_stats_data { + uint64_t time_elapsed_ns; + uint64_t num_executions; + uint64_t num_perf_events; +}; + +struct bpf_func_stats_ctx { + uint64_t start_time_ns; + struct bpf_func_stats_data* bpf_func_stats_data_val; +}; + +enum bpf_function_id { + profiler_bpf_proc_sys_write, + profiler_bpf_sched_process_exec, + profiler_bpf_sched_process_exit, + profiler_bpf_sys_enter_kill, + profiler_bpf_do_filp_open_ret, + profiler_bpf_sched_process_fork, + profiler_bpf_vfs_link, + profiler_bpf_vfs_symlink, + profiler_bpf_max_function_id +}; |