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 "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 u64 head;
50 size_t size;
51 char data[];
52};
53
54struct perf_tool;
55
56struct perf_session *perf_session__new(struct perf_data *data,
57 bool repipe, struct perf_tool *tool);
58void perf_session__delete(struct perf_session *session);
59
60void perf_event_header__bswap(struct perf_event_header *hdr);
61
62int perf_session__peek_event(struct perf_session *session, off_t file_offset,
63 void *buf, size_t buf_sz,
64 union perf_event **event_ptr,
65 struct perf_sample *sample);
66
67int perf_session__process_events(struct perf_session *session);
68
69int perf_session__queue_event(struct perf_session *s, union perf_event *event,
70 u64 timestamp, u64 file_offset);
71
72void perf_tool__fill_defaults(struct perf_tool *tool);
73
74int perf_session__resolve_callchain(struct perf_session *session,
75 struct perf_evsel *evsel,
76 struct thread *thread,
77 struct ip_callchain *chain,
78 struct symbol **parent);
79
80bool perf_session__has_traces(struct perf_session *session, const char *msg);
81
82void perf_event__attr_swap(struct perf_event_attr *attr);
83
84int perf_session__create_kernel_maps(struct perf_session *session);
85
86void perf_session__set_id_hdr_size(struct perf_session *session);
87
88static inline
89struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
90{
91 return machines__find(&session->machines, pid);
92}
93
94static inline
95struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
96{
97 return machines__findnew(&session->machines, pid);
98}
99
100struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
101int perf_session__register_idle_thread(struct perf_session *session);
102
103size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
104
105size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
106
107size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
108 bool (fn)(struct dso *dso, int parm), int parm);
109
110size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
111
112struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
113 unsigned int type);
114
115int perf_session__cpu_bitmap(struct perf_session *session,
116 const char *cpu_list, unsigned long *cpu_bitmap);
117
118void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
119
120struct perf_evsel_str_handler;
121
122int __perf_session__set_tracepoints_handlers(struct perf_session *session,
123 const struct perf_evsel_str_handler *assocs,
124 size_t nr_assocs);
125
126#define perf_session__set_tracepoints_handlers(session, array) \
127 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
128
129extern volatile int session_done;
130
131#define session_done() READ_ONCE(session_done)
132
133int perf_session__deliver_synth_event(struct perf_session *session,
134 union perf_event *event,
135 struct perf_sample *sample);
136
137int perf_event__process_id_index(struct perf_session *session,
138 union perf_event *event);
139
140int perf_event__synthesize_id_index(struct perf_tool *tool,
141 perf_event__handler_t process,
142 struct perf_evlist *evlist,
143 struct machine *machine);
144
145#endif /* __PERF_SESSION_H */