c7929e4727
Bypasses the build_id perf header code and replaces it with a synthesized event and processing function that accomplishes the same thing, used when reading/writing perf data to/from a pipe. Signed-off-by: Tom Zanussi <tzanussi@gmail.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: fweisbec@gmail.com Cc: rostedt@goodmis.org Cc: k-keiichi@bx.jp.nec.com Cc: acme@ghostprotocols.net LKML-Reference: <1270184365-8281-9-git-send-email-tzanussi@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
173 lines
3.5 KiB
C
173 lines
3.5 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 "../perf.h"
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#include "map.h"
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/*
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* PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
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*/
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struct ip_event {
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struct perf_event_header header;
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u64 ip;
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u32 pid, tid;
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unsigned char __more_data[];
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};
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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 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 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 sample_data {
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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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u32 cpu;
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u32 raw_size;
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void *raw_data;
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struct ip_callchain *callchain;
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};
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#define BUILD_ID_SIZE 20
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struct build_id_event {
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struct perf_event_header header;
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u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
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char filename[];
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};
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enum perf_header_event_type { /* above any possible kernel type */
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PERF_RECORD_HEADER_ATTR = 64,
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PERF_RECORD_HEADER_EVENT_TYPE = 65,
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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_HEADER_MAX
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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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typedef union event_union {
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struct perf_event_header header;
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struct ip_event ip;
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struct mmap_event mmap;
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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 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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} event_t;
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struct events_stats {
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u64 total;
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u64 lost;
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};
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struct event_stat_id {
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struct rb_node rb_node;
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struct rb_root hists;
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struct events_stats stats;
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u64 config;
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u64 event_stream;
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u32 type;
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};
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void event__print_totals(void);
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struct perf_session;
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typedef int (*event__handler_t)(event_t *event, struct perf_session *session);
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int event__synthesize_thread(pid_t pid, event__handler_t process,
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struct perf_session *session);
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void event__synthesize_threads(event__handler_t process,
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struct perf_session *session);
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int event__synthesize_kernel_mmap(event__handler_t process,
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struct perf_session *session,
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const char *symbol_name);
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int event__synthesize_modules(event__handler_t process,
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struct perf_session *session);
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int event__process_comm(event_t *self, struct perf_session *session);
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int event__process_lost(event_t *self, struct perf_session *session);
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int event__process_mmap(event_t *self, struct perf_session *session);
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int event__process_task(event_t *self, struct perf_session *session);
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struct addr_location;
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int event__preprocess_sample(const event_t *self, struct perf_session *session,
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struct addr_location *al, symbol_filter_t filter);
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int event__parse_sample(event_t *event, u64 type, struct sample_data *data);
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#endif /* __PERF_RECORD_H */
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