Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
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 <linux/kernel.h>
12#include <linux/rbtree.h>
13#include <linux/perf_event.h>
14
15struct ip_callchain;
16struct symbol;
17struct thread;
18
19struct auxtrace;
20struct itrace_synth_opts;
21
22struct perf_session {
23 struct perf_header header;
24 struct machines machines;
25 struct perf_evlist *evlist;
26 struct auxtrace *auxtrace;
27 struct itrace_synth_opts *itrace_synth_opts;
28 struct list_head auxtrace_index;
29 struct trace_event tevent;
30 struct time_conv_event time_conv;
31 bool repipe;
32 bool one_mmap;
33 void *one_mmap_addr;
34 u64 one_mmap_offset;
35 struct ordered_events ordered_events;
36 struct perf_data *data;
37 struct perf_tool *tool;
38};
39
40struct perf_tool;
41
42struct perf_session *perf_session__new(struct perf_data *data,
43 bool repipe, struct perf_tool *tool);
44void perf_session__delete(struct perf_session *session);
45
46void perf_event_header__bswap(struct perf_event_header *hdr);
47
48int perf_session__peek_event(struct perf_session *session, off_t file_offset,
49 void *buf, size_t buf_sz,
50 union perf_event **event_ptr,
51 struct perf_sample *sample);
52
53int perf_session__process_events(struct perf_session *session);
54
55int perf_session__queue_event(struct perf_session *s, union perf_event *event,
56 u64 timestamp, u64 file_offset);
57
58void perf_tool__fill_defaults(struct perf_tool *tool);
59
60int perf_session__resolve_callchain(struct perf_session *session,
61 struct perf_evsel *evsel,
62 struct thread *thread,
63 struct ip_callchain *chain,
64 struct symbol **parent);
65
66bool perf_session__has_traces(struct perf_session *session, const char *msg);
67
68void perf_event__attr_swap(struct perf_event_attr *attr);
69
70int perf_session__create_kernel_maps(struct perf_session *session);
71
72void perf_session__set_id_hdr_size(struct perf_session *session);
73
74static inline
75struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
76{
77 return machines__find(&session->machines, pid);
78}
79
80static inline
81struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
82{
83 return machines__findnew(&session->machines, pid);
84}
85
86struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
87int perf_session__register_idle_thread(struct perf_session *session);
88
89size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
90
91size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
92
93size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
94 bool (fn)(struct dso *dso, int parm), int parm);
95
96size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
97
98struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
99 unsigned int type);
100
101int perf_session__cpu_bitmap(struct perf_session *session,
102 const char *cpu_list, unsigned long *cpu_bitmap);
103
104void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
105
106struct perf_evsel_str_handler;
107
108int __perf_session__set_tracepoints_handlers(struct perf_session *session,
109 const struct perf_evsel_str_handler *assocs,
110 size_t nr_assocs);
111
112#define perf_session__set_tracepoints_handlers(session, array) \
113 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
114
115extern volatile int session_done;
116
117#define session_done() READ_ONCE(session_done)
118
119int perf_session__deliver_synth_event(struct perf_session *session,
120 union perf_event *event,
121 struct perf_sample *sample);
122
123int perf_event__process_id_index(struct perf_session *session,
124 union perf_event *event);
125
126int perf_event__synthesize_id_index(struct perf_tool *tool,
127 perf_event__handler_t process,
128 struct perf_evlist *evlist,
129 struct machine *machine);
130
131#endif /* __PERF_SESSION_H */