Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef __PERF_SESSION_H
2#define __PERF_SESSION_H
3
4#include "trace-event.h"
5#include "event.h"
6#include "header.h"
7#include "machine.h"
8#include "symbol.h"
9#include "thread.h"
10#include "data.h"
11#include "ordered-events.h"
12#include <linux/rbtree.h>
13#include <linux/perf_event.h>
14
15struct ip_callchain;
16struct thread;
17
18struct auxtrace;
19struct itrace_synth_opts;
20
21struct perf_session {
22 struct perf_header header;
23 struct machines machines;
24 struct perf_evlist *evlist;
25 struct auxtrace *auxtrace;
26 struct itrace_synth_opts *itrace_synth_opts;
27 struct list_head auxtrace_index;
28 struct trace_event tevent;
29 struct time_conv_event time_conv;
30 bool repipe;
31 bool one_mmap;
32 void *one_mmap_addr;
33 u64 one_mmap_offset;
34 struct ordered_events ordered_events;
35 struct perf_data_file *file;
36 struct perf_tool *tool;
37};
38
39struct perf_tool;
40
41struct perf_session *perf_session__new(struct perf_data_file *file,
42 bool repipe, struct perf_tool *tool);
43void perf_session__delete(struct perf_session *session);
44
45void perf_event_header__bswap(struct perf_event_header *hdr);
46
47int perf_session__peek_event(struct perf_session *session, off_t file_offset,
48 void *buf, size_t buf_sz,
49 union perf_event **event_ptr,
50 struct perf_sample *sample);
51
52int perf_session__process_events(struct perf_session *session);
53
54int perf_session__queue_event(struct perf_session *s, union perf_event *event,
55 struct perf_sample *sample, u64 file_offset);
56
57void perf_tool__fill_defaults(struct perf_tool *tool);
58
59int perf_session__resolve_callchain(struct perf_session *session,
60 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 *session, const char *msg);
66
67void perf_event__attr_swap(struct perf_event_attr *attr);
68
69int perf_session__create_kernel_maps(struct perf_session *session);
70
71void perf_session__set_id_hdr_size(struct perf_session *session);
72
73static inline
74struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
75{
76 return machines__find(&session->machines, pid);
77}
78
79static inline
80struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
81{
82 return machines__findnew(&session->machines, pid);
83}
84
85struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
86int perf_session__register_idle_thread(struct perf_session *session);
87
88size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
89
90size_t perf_session__fprintf_dsos(struct perf_session *session, 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
100int perf_session__cpu_bitmap(struct perf_session *session,
101 const char *cpu_list, unsigned long *cpu_bitmap);
102
103void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
104
105struct perf_evsel_str_handler;
106
107int __perf_session__set_tracepoints_handlers(struct perf_session *session,
108 const struct perf_evsel_str_handler *assocs,
109 size_t nr_assocs);
110
111#define perf_session__set_tracepoints_handlers(session, array) \
112 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
113
114extern volatile int session_done;
115
116#define session_done() ACCESS_ONCE(session_done)
117
118int perf_session__deliver_synth_event(struct perf_session *session,
119 union perf_event *event,
120 struct perf_sample *sample);
121
122int perf_event__process_id_index(struct perf_tool *tool,
123 union perf_event *event,
124 struct perf_session *session);
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 */