1
2#ifndef __PERF_SESSION_H
3#define __PERF_SESSION_H
4
5#include "trace-event.h"
6#include "event.h"
7#include "header.h"
8#include "machine.h"
9#include "data.h"
10#include "ordered-events.h"
11#include "util/compress.h"
12#include <linux/kernel.h>
13#include <linux/rbtree.h>
14#include <linux/perf_event.h>
15
16struct ip_callchain;
17struct symbol;
18struct thread;
19
20struct auxtrace;
21struct itrace_synth_opts;
22
23struct perf_session {
24 struct perf_header header;
25 struct machines machines;
26 struct evlist *evlist;
27 struct auxtrace *auxtrace;
28 struct itrace_synth_opts *itrace_synth_opts;
29 struct list_head auxtrace_index;
30 struct trace_event tevent;
31 struct perf_record_time_conv time_conv;
32 bool repipe;
33 bool one_mmap;
34 void *one_mmap_addr;
35 u64 one_mmap_offset;
36 struct ordered_events ordered_events;
37 struct perf_data *data;
38 struct perf_tool *tool;
39 u64 bytes_transferred;
40 u64 bytes_compressed;
41 struct zstd_data zstd_data;
42 struct decomp *decomp;
43 struct decomp *decomp_last;
44};
45
46struct decomp {
47 struct decomp *next;
48 u64 file_pos;
49 size_t mmap_len;
50 u64 head;
51 size_t size;
52 char data[];
53};
54
55struct perf_tool;
56
57struct perf_session *perf_session__new(struct perf_data *data,
58 bool repipe, struct perf_tool *tool);
59void perf_session__delete(struct perf_session *session);
60
61void perf_event_header__bswap(struct perf_event_header *hdr);
62
63int perf_session__peek_event(struct perf_session *session, off_t file_offset,
64 void *buf, size_t buf_sz,
65 union perf_event **event_ptr,
66 struct perf_sample *sample);
67typedef int (*peek_events_cb_t)(struct perf_session *session,
68 union perf_event *event, u64 offset,
69 void *data);
70int perf_session__peek_events(struct perf_session *session, u64 offset,
71 u64 size, peek_events_cb_t cb, void *data);
72
73int perf_session__process_events(struct perf_session *session);
74
75int perf_session__queue_event(struct perf_session *s, union perf_event *event,
76 u64 timestamp, u64 file_offset);
77
78void perf_tool__fill_defaults(struct perf_tool *tool);
79
80int perf_session__resolve_callchain(struct perf_session *session,
81 struct evsel *evsel,
82 struct thread *thread,
83 struct ip_callchain *chain,
84 struct symbol **parent);
85
86bool perf_session__has_traces(struct perf_session *session, const char *msg);
87
88void perf_event__attr_swap(struct perf_event_attr *attr);
89
90int perf_session__create_kernel_maps(struct perf_session *session);
91
92void perf_session__set_id_hdr_size(struct perf_session *session);
93
94static inline
95struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
96{
97 return machines__find(&session->machines, pid);
98}
99
100static inline
101struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
102{
103 return machines__findnew(&session->machines, pid);
104}
105
106struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
107int perf_session__register_idle_thread(struct perf_session *session);
108
109size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
110
111size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
112
113size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
114 bool (fn)(struct dso *dso, int parm), int parm);
115
116size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
117
118struct evsel *perf_session__find_first_evtype(struct perf_session *session,
119 unsigned int type);
120
121int perf_session__cpu_bitmap(struct perf_session *session,
122 const char *cpu_list, unsigned long *cpu_bitmap);
123
124void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
125
126struct evsel_str_handler;
127
128#define perf_session__set_tracepoints_handlers(session, array) \
129 __evlist__set_tracepoints_handlers(session->evlist, array, ARRAY_SIZE(array))
130
131extern volatile int session_done;
132
133#define session_done() READ_ONCE(session_done)
134
135int perf_session__deliver_synth_event(struct perf_session *session,
136 union perf_event *event,
137 struct perf_sample *sample);
138
139int perf_event__process_id_index(struct perf_session *session,
140 union perf_event *event);
141
142#endif
143
