1#ifndef __PERF_SESSION_H
2#define __PERF_SESSION_H
3
4#include "hist.h"
5#include "event.h"
6#include "header.h"
7#include "machine.h"
8#include "symbol.h"
9#include "thread.h"
10#include <linux/rbtree.h>
11#include <linux/perf_event.h>
12
13struct sample_queue;
14struct ip_callchain;
15struct thread;
16
17struct ordered_samples {
18 u64 last_flush;
19 u64 next_flush;
20 u64 max_timestamp;
21 struct list_head samples;
22 struct list_head sample_cache;
23 struct list_head to_free;
24 struct sample_queue *sample_buffer;
25 struct sample_queue *last_sample;
26 int sample_buffer_idx;
27 unsigned int nr_samples;
28};
29
30struct perf_session {
31 struct perf_header header;
32 unsigned long size;
33 struct machines machines;
34 struct perf_evlist *evlist;
35 struct pevent *pevent;
36 struct events_stats stats;
37 int fd;
38 bool fd_pipe;
39 bool repipe;
40 char *cwd;
41 struct ordered_samples ordered_samples;
42 char filename[1];
43};
44
45struct perf_tool;
46
47struct perf_session *perf_session__new(const char *filename, int mode,
48 bool force, bool repipe,
49 struct perf_tool *tool);
50void perf_session__delete(struct perf_session *session);
51
52void perf_event_header__bswap(struct perf_event_header *self);
53
54int __perf_session__process_events(struct perf_session *self,
55 u64 data_offset, u64 data_size, u64 size,
56 struct perf_tool *tool);
57int perf_session__process_events(struct perf_session *self,
58 struct perf_tool *tool);
59
60int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
61 struct thread *thread,
62 struct ip_callchain *chain,
63 struct symbol **parent);
64
65bool perf_session__has_traces(struct perf_session *self, const char *msg);
66
67void mem_bswap_64(void *src, int byte_size);
68void mem_bswap_32(void *src, int byte_size);
69void perf_event__attr_swap(struct perf_event_attr *attr);
70
71int perf_session__create_kernel_maps(struct perf_session *self);
72
73void perf_session__set_id_hdr_size(struct perf_session *session);
74
75static inline
76struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
77{
78 return machines__find(&self->machines, pid);
79}
80
81static inline
82struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
83{
84 return machines__findnew(&self->machines, pid);
85}
86
87struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
88size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
89
90size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
91
92size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
93 bool (fn)(struct dso *dso, int parm), int parm);
94
95size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
96
97struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
98 unsigned int type);
99
100void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
101 struct perf_sample *sample, struct machine *machine,
102 int print_sym, int print_dso, int print_symoffset);
103
104int perf_session__cpu_bitmap(struct perf_session *session,
105 const char *cpu_list, unsigned long *cpu_bitmap);
106
107void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
108
109struct perf_evsel_str_handler;
110
111int __perf_session__set_tracepoints_handlers(struct perf_session *session,
112 const struct perf_evsel_str_handler *assocs,
113 size_t nr_assocs);
114
115#define perf_session__set_tracepoints_handlers(session, array) \
116 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
117#endif
118
