/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LIBPERF_EVENT_H
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#define __LIBPERF_EVENT_H
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#include <linux/perf_event.h>
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#include <linux/types.h>
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#include <linux/limits.h>
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#include <linux/bpf.h>
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#include <sys/types.h> /* pid_t */
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#define event_contains(obj, mem) ((obj).header.size > offsetof(typeof(obj), mem))
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struct perf_record_mmap {
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struct perf_event_header header;
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__u32 pid, tid;
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__u64 start;
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__u64 len;
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__u64 pgoff;
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char filename[PATH_MAX];
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};
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struct perf_record_mmap2 {
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struct perf_event_header header;
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__u32 pid, tid;
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__u64 start;
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__u64 len;
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__u64 pgoff;
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__u32 maj;
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__u32 min;
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__u64 ino;
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__u64 ino_generation;
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__u32 prot;
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__u32 flags;
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char filename[PATH_MAX];
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};
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struct perf_record_comm {
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struct perf_event_header header;
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__u32 pid, tid;
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char comm[16];
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};
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struct perf_record_namespaces {
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struct perf_event_header header;
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__u32 pid, tid;
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__u64 nr_namespaces;
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struct perf_ns_link_info link_info[];
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};
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struct perf_record_fork {
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struct perf_event_header header;
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__u32 pid, ppid;
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__u32 tid, ptid;
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__u64 time;
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};
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struct perf_record_lost {
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struct perf_event_header header;
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__u64 id;
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__u64 lost;
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};
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struct perf_record_lost_samples {
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struct perf_event_header header;
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__u64 lost;
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};
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/*
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* PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
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*/
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struct perf_record_read {
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struct perf_event_header header;
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__u32 pid, tid;
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__u64 value;
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__u64 time_enabled;
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__u64 time_running;
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__u64 id;
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};
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struct perf_record_throttle {
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struct perf_event_header header;
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__u64 time;
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__u64 id;
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__u64 stream_id;
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};
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#ifndef KSYM_NAME_LEN
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#define KSYM_NAME_LEN 256
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#endif
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struct perf_record_ksymbol {
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struct perf_event_header header;
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__u64 addr;
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__u32 len;
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__u16 ksym_type;
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__u16 flags;
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char name[KSYM_NAME_LEN];
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};
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struct perf_record_bpf_event {
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struct perf_event_header header;
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__u16 type;
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__u16 flags;
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__u32 id;
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/* for bpf_prog types */
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__u8 tag[BPF_TAG_SIZE]; // prog tag
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};
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struct perf_record_cgroup {
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struct perf_event_header header;
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__u64 id;
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char path[PATH_MAX];
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};
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struct perf_record_text_poke_event {
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struct perf_event_header header;
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__u64 addr;
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__u16 old_len;
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__u16 new_len;
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__u8 bytes[];
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};
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struct perf_record_sample {
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struct perf_event_header header;
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__u64 array[];
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};
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struct perf_record_switch {
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struct perf_event_header header;
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__u32 next_prev_pid;
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__u32 next_prev_tid;
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};
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struct perf_record_header_attr {
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struct perf_event_header header;
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struct perf_event_attr attr;
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__u64 id[];
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};
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enum {
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PERF_CPU_MAP__CPUS = 0,
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PERF_CPU_MAP__MASK = 1,
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};
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struct cpu_map_entries {
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__u16 nr;
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__u16 cpu[];
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};
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struct perf_record_record_cpu_map {
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__u16 nr;
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__u16 long_size;
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unsigned long mask[];
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};
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struct perf_record_cpu_map_data {
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__u16 type;
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char data[];
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};
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struct perf_record_cpu_map {
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struct perf_event_header header;
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struct perf_record_cpu_map_data data;
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};
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enum {
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PERF_EVENT_UPDATE__UNIT = 0,
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PERF_EVENT_UPDATE__SCALE = 1,
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PERF_EVENT_UPDATE__NAME = 2,
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PERF_EVENT_UPDATE__CPUS = 3,
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};
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struct perf_record_event_update_cpus {
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struct perf_record_cpu_map_data cpus;
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};
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struct perf_record_event_update_scale {
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double scale;
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};
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struct perf_record_event_update {
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struct perf_event_header header;
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__u64 type;
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__u64 id;
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char data[];
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};
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#define MAX_EVENT_NAME 64
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struct perf_trace_event_type {
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__u64 event_id;
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char name[MAX_EVENT_NAME];
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};
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struct perf_record_header_event_type {
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struct perf_event_header header;
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struct perf_trace_event_type event_type;
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};
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struct perf_record_header_tracing_data {
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struct perf_event_header header;
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__u32 size;
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};
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#define PERF_RECORD_MISC_BUILD_ID_SIZE (1 << 15)
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struct perf_record_header_build_id {
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struct perf_event_header header;
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pid_t pid;
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union {
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__u8 build_id[24];
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struct {
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__u8 data[20];
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__u8 size;
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__u8 reserved1__;
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__u16 reserved2__;
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};
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};
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char filename[];
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};
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struct id_index_entry {
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__u64 id;
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__u64 idx;
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__u64 cpu;
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__u64 tid;
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};
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struct perf_record_id_index {
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struct perf_event_header header;
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__u64 nr;
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struct id_index_entry entries[0];
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};
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struct perf_record_auxtrace_info {
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struct perf_event_header header;
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__u32 type;
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__u32 reserved__; /* For alignment */
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__u64 priv[];
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};
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struct perf_record_auxtrace {
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struct perf_event_header header;
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__u64 size;
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__u64 offset;
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__u64 reference;
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__u32 idx;
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__u32 tid;
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__u32 cpu;
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__u32 reserved__; /* For alignment */
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};
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#define MAX_AUXTRACE_ERROR_MSG 64
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struct perf_record_auxtrace_error {
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struct perf_event_header header;
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__u32 type;
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__u32 code;
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__u32 cpu;
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__u32 pid;
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__u32 tid;
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__u32 fmt;
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__u64 ip;
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__u64 time;
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char msg[MAX_AUXTRACE_ERROR_MSG];
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};
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struct perf_record_aux {
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struct perf_event_header header;
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__u64 aux_offset;
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__u64 aux_size;
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__u64 flags;
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};
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struct perf_record_itrace_start {
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struct perf_event_header header;
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__u32 pid;
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__u32 tid;
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};
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struct perf_record_thread_map_entry {
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__u64 pid;
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char comm[16];
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};
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struct perf_record_thread_map {
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struct perf_event_header header;
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__u64 nr;
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struct perf_record_thread_map_entry entries[];
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};
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enum {
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PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
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PERF_STAT_CONFIG_TERM__INTERVAL = 1,
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PERF_STAT_CONFIG_TERM__SCALE = 2,
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PERF_STAT_CONFIG_TERM__MAX = 3,
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};
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struct perf_record_stat_config_entry {
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__u64 tag;
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__u64 val;
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};
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struct perf_record_stat_config {
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struct perf_event_header header;
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__u64 nr;
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struct perf_record_stat_config_entry data[];
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};
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struct perf_record_stat {
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struct perf_event_header header;
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__u64 id;
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__u32 cpu;
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__u32 thread;
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union {
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struct {
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__u64 val;
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__u64 ena;
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__u64 run;
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};
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__u64 values[3];
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};
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};
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struct perf_record_stat_round {
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struct perf_event_header header;
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__u64 type;
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__u64 time;
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};
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struct perf_record_time_conv {
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struct perf_event_header header;
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__u64 time_shift;
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__u64 time_mult;
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__u64 time_zero;
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__u64 time_cycles;
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__u64 time_mask;
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__u8 cap_user_time_zero;
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__u8 cap_user_time_short;
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__u8 reserved[6]; /* For alignment */
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};
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struct perf_record_header_feature {
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struct perf_event_header header;
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__u64 feat_id;
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char data[];
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};
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struct perf_record_compressed {
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struct perf_event_header header;
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char data[];
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};
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enum perf_user_event_type { /* above any possible kernel type */
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PERF_RECORD_USER_TYPE_START = 64,
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PERF_RECORD_HEADER_ATTR = 64,
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PERF_RECORD_HEADER_EVENT_TYPE = 65, /* deprecated */
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PERF_RECORD_HEADER_TRACING_DATA = 66,
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PERF_RECORD_HEADER_BUILD_ID = 67,
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PERF_RECORD_FINISHED_ROUND = 68,
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PERF_RECORD_ID_INDEX = 69,
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PERF_RECORD_AUXTRACE_INFO = 70,
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PERF_RECORD_AUXTRACE = 71,
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PERF_RECORD_AUXTRACE_ERROR = 72,
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PERF_RECORD_THREAD_MAP = 73,
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PERF_RECORD_CPU_MAP = 74,
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PERF_RECORD_STAT_CONFIG = 75,
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PERF_RECORD_STAT = 76,
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PERF_RECORD_STAT_ROUND = 77,
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PERF_RECORD_EVENT_UPDATE = 78,
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PERF_RECORD_TIME_CONV = 79,
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PERF_RECORD_HEADER_FEATURE = 80,
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PERF_RECORD_COMPRESSED = 81,
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PERF_RECORD_HEADER_MAX
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};
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union perf_event {
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struct perf_event_header header;
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struct perf_record_mmap mmap;
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struct perf_record_mmap2 mmap2;
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struct perf_record_comm comm;
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struct perf_record_namespaces namespaces;
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struct perf_record_cgroup cgroup;
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struct perf_record_fork fork;
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struct perf_record_lost lost;
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struct perf_record_lost_samples lost_samples;
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struct perf_record_read read;
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struct perf_record_throttle throttle;
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struct perf_record_sample sample;
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struct perf_record_bpf_event bpf;
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struct perf_record_ksymbol ksymbol;
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struct perf_record_text_poke_event text_poke;
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struct perf_record_header_attr attr;
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struct perf_record_event_update event_update;
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struct perf_record_header_event_type event_type;
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struct perf_record_header_tracing_data tracing_data;
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struct perf_record_header_build_id build_id;
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struct perf_record_id_index id_index;
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struct perf_record_auxtrace_info auxtrace_info;
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struct perf_record_auxtrace auxtrace;
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struct perf_record_auxtrace_error auxtrace_error;
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struct perf_record_aux aux;
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struct perf_record_itrace_start itrace_start;
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struct perf_record_switch context_switch;
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struct perf_record_thread_map thread_map;
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struct perf_record_cpu_map cpu_map;
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struct perf_record_stat_config stat_config;
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struct perf_record_stat stat;
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struct perf_record_stat_round stat_round;
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struct perf_record_time_conv time_conv;
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struct perf_record_header_feature feat;
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struct perf_record_compressed pack;
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};
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#endif /* __LIBPERF_EVENT_H */
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