397 lines
9.2 KiB
C
397 lines
9.2 KiB
C
#ifndef __PERF_RECORD_H
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#define __PERF_RECORD_H
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#include <limits.h>
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#include <stdio.h>
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#include "../perf.h"
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#include "map.h"
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#include "build-id.h"
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#include "perf_regs.h"
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struct mmap_event {
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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 mmap2_event {
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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 comm_event {
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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 fork_event {
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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 lost_event {
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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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/*
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* PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
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*/
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struct read_event {
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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 throttle_event {
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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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#define PERF_SAMPLE_MASK \
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(PERF_SAMPLE_IP | PERF_SAMPLE_TID | \
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PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \
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PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \
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PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \
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PERF_SAMPLE_IDENTIFIER)
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/* perf sample has 16 bits size limit */
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#define PERF_SAMPLE_MAX_SIZE (1 << 16)
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struct sample_event {
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struct perf_event_header header;
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u64 array[];
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};
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struct regs_dump {
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u64 abi;
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u64 mask;
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u64 *regs;
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/* Cached values/mask filled by first register access. */
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u64 cache_regs[PERF_REGS_MAX];
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u64 cache_mask;
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};
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struct stack_dump {
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u16 offset;
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u64 size;
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char *data;
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};
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struct sample_read_value {
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u64 value;
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u64 id;
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};
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struct sample_read {
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u64 time_enabled;
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u64 time_running;
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union {
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struct {
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u64 nr;
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struct sample_read_value *values;
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} group;
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struct sample_read_value one;
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};
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};
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struct ip_callchain {
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u64 nr;
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u64 ips[0];
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};
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struct branch_flags {
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u64 mispred:1;
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u64 predicted:1;
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u64 in_tx:1;
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u64 abort:1;
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u64 reserved:60;
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};
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struct branch_entry {
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u64 from;
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u64 to;
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struct branch_flags flags;
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};
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struct branch_stack {
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u64 nr;
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struct branch_entry entries[0];
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};
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enum {
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PERF_IP_FLAG_BRANCH = 1ULL << 0,
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PERF_IP_FLAG_CALL = 1ULL << 1,
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PERF_IP_FLAG_RETURN = 1ULL << 2,
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PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
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PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
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PERF_IP_FLAG_ASYNC = 1ULL << 5,
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PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
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PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
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PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
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PERF_IP_FLAG_TRACE_END = 1ULL << 9,
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PERF_IP_FLAG_IN_TX = 1ULL << 10,
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};
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#define PERF_BRANCH_MASK (\
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PERF_IP_FLAG_BRANCH |\
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PERF_IP_FLAG_CALL |\
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PERF_IP_FLAG_RETURN |\
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PERF_IP_FLAG_CONDITIONAL |\
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PERF_IP_FLAG_SYSCALLRET |\
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PERF_IP_FLAG_ASYNC |\
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PERF_IP_FLAG_INTERRUPT |\
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PERF_IP_FLAG_TX_ABORT |\
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PERF_IP_FLAG_TRACE_BEGIN |\
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PERF_IP_FLAG_TRACE_END)
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struct perf_sample {
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u64 ip;
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u32 pid, tid;
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u64 time;
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u64 addr;
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u64 id;
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u64 stream_id;
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u64 period;
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u64 weight;
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u64 transaction;
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u32 cpu;
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u32 raw_size;
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u64 data_src;
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u32 flags;
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u16 insn_len;
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void *raw_data;
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struct ip_callchain *callchain;
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struct branch_stack *branch_stack;
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struct regs_dump user_regs;
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struct regs_dump intr_regs;
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struct stack_dump user_stack;
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struct sample_read read;
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};
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#define PERF_MEM_DATA_SRC_NONE \
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(PERF_MEM_S(OP, NA) |\
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PERF_MEM_S(LVL, NA) |\
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PERF_MEM_S(SNOOP, NA) |\
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PERF_MEM_S(LOCK, NA) |\
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PERF_MEM_S(TLB, NA))
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struct build_id_event {
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struct perf_event_header header;
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pid_t pid;
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u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
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char filename[];
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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, /* depreceated */
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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_HEADER_MAX
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};
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/*
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* The kernel collects the number of events it couldn't send in a stretch and
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* when possible sends this number in a PERF_RECORD_LOST event. The number of
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* such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
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* total_lost tells exactly how many events the kernel in fact lost, i.e. it is
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* the sum of all struct lost_event.lost fields reported.
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*
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* The total_period is needed because by default auto-freq is used, so
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* multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
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* the total number of low level events, it is necessary to to sum all struct
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* sample_event.period and stash the result in total_period.
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*/
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struct events_stats {
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u64 total_period;
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u64 total_non_filtered_period;
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u64 total_lost;
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u64 total_invalid_chains;
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u32 nr_events[PERF_RECORD_HEADER_MAX];
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u32 nr_non_filtered_samples;
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u32 nr_lost_warned;
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u32 nr_unknown_events;
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u32 nr_invalid_chains;
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u32 nr_unknown_id;
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u32 nr_unprocessable_samples;
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u32 nr_unordered_events;
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};
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struct attr_event {
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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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#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 event_type_event {
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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 tracing_data_event {
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struct perf_event_header header;
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u32 size;
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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 id_index_event {
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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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union perf_event {
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struct perf_event_header header;
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struct mmap_event mmap;
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struct mmap2_event mmap2;
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struct comm_event comm;
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struct fork_event fork;
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struct lost_event lost;
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struct read_event read;
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struct throttle_event throttle;
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struct sample_event sample;
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struct attr_event attr;
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struct event_type_event event_type;
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struct tracing_data_event tracing_data;
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struct build_id_event build_id;
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struct id_index_event id_index;
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};
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void perf_event__print_totals(void);
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struct perf_tool;
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struct thread_map;
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typedef int (*perf_event__handler_t)(struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample,
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struct machine *machine);
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int perf_event__synthesize_thread_map(struct perf_tool *tool,
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struct thread_map *threads,
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perf_event__handler_t process,
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struct machine *machine, bool mmap_data);
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int perf_event__synthesize_threads(struct perf_tool *tool,
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perf_event__handler_t process,
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struct machine *machine, bool mmap_data);
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int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
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perf_event__handler_t process,
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struct machine *machine);
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int perf_event__synthesize_modules(struct perf_tool *tool,
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perf_event__handler_t process,
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struct machine *machine);
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int perf_event__process_comm(struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample,
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struct machine *machine);
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int perf_event__process_lost(struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample,
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struct machine *machine);
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int perf_event__process_mmap(struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample,
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struct machine *machine);
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int perf_event__process_mmap2(struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample,
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struct machine *machine);
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int perf_event__process_fork(struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample,
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struct machine *machine);
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int perf_event__process_exit(struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample,
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struct machine *machine);
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int perf_event__process(struct perf_tool *tool,
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union perf_event *event,
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struct perf_sample *sample,
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struct machine *machine);
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struct addr_location;
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int perf_event__preprocess_sample(const union perf_event *event,
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struct machine *machine,
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struct addr_location *al,
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struct perf_sample *sample);
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struct thread;
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bool is_bts_event(struct perf_event_attr *attr);
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bool sample_addr_correlates_sym(struct perf_event_attr *attr);
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void perf_event__preprocess_sample_addr(union perf_event *event,
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struct perf_sample *sample,
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struct thread *thread,
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struct addr_location *al);
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const char *perf_event__name(unsigned int id);
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size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
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u64 read_format);
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int perf_event__synthesize_sample(union perf_event *event, u64 type,
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u64 read_format,
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const struct perf_sample *sample,
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bool swapped);
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int perf_event__synthesize_mmap_events(struct perf_tool *tool,
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union perf_event *event,
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pid_t pid, pid_t tgid,
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perf_event__handler_t process,
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struct machine *machine,
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bool mmap_data);
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size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
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size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
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size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
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size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
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size_t perf_event__fprintf(union perf_event *event, FILE *fp);
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u64 kallsyms__get_function_start(const char *kallsyms_filename,
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const char *symbol_name);
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#endif /* __PERF_RECORD_H */
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