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 perf_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 time_conv_event 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);
67
68int perf_session__process_events(struct perf_session *session);
69
70int perf_session__queue_event(struct perf_session *s, union perf_event *event,
71 u64 timestamp, u64 file_offset);
72
73void perf_tool__fill_defaults(struct perf_tool *tool);
74
75int perf_session__resolve_callchain(struct perf_session *session,
76 struct perf_evsel *evsel,
77 struct thread *thread,
78 struct ip_callchain *chain,
79 struct symbol **parent);
80
81bool perf_session__has_traces(struct perf_session *session, const char *msg);
82
83void perf_event__attr_swap(struct perf_event_attr *attr);
84
85int perf_session__create_kernel_maps(struct perf_session *session);
86
87void perf_session__set_id_hdr_size(struct perf_session *session);
88
89static inline
90struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
91{
92 return machines__find(&session->machines, pid);
93}
94
95static inline
96struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
97{
98 return machines__findnew(&session->machines, pid);
99}
100
101struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
102int perf_session__register_idle_thread(struct perf_session *session);
103
104size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
105
106size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
107
108size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
109 bool (fn)(struct dso *dso, int parm), int parm);
110
111size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
112
113struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
114 unsigned int type);
115
116int perf_session__cpu_bitmap(struct perf_session *session,
117 const char *cpu_list, unsigned long *cpu_bitmap);
118
119void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
120
121struct perf_evsel_str_handler;
122
123int __perf_session__set_tracepoints_handlers(struct perf_session *session,
124 const struct perf_evsel_str_handler *assocs,
125 size_t nr_assocs);
126
127#define perf_session__set_tracepoints_handlers(session, array) \
128 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
129
130extern volatile int session_done;
131
132#define session_done() READ_ONCE(session_done)
133
134int perf_session__deliver_synth_event(struct perf_session *session,
135 union perf_event *event,
136 struct perf_sample *sample);
137
138int perf_event__process_id_index(struct perf_session *session,
139 union perf_event *event);
140
141int perf_event__synthesize_id_index(struct perf_tool *tool,
142 perf_event__handler_t process,
143 struct perf_evlist *evlist,
144 struct machine *machine);
145
146#endif
147
