GNU Linux-libre 4.19.211-gnu1
[releases.git] / tools / perf / util / session.h
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
15 struct ip_callchain;
16 struct symbol;
17 struct thread;
18
19 struct auxtrace;
20 struct itrace_synth_opts;
21
22 struct 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
40 struct perf_tool;
41
42 struct perf_session *perf_session__new(struct perf_data *data,
43                                        bool repipe, struct perf_tool *tool);
44 void perf_session__delete(struct perf_session *session);
45
46 void perf_event_header__bswap(struct perf_event_header *hdr);
47
48 int 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
53 int perf_session__process_events(struct perf_session *session);
54
55 int perf_session__queue_event(struct perf_session *s, union perf_event *event,
56                               u64 timestamp, u64 file_offset);
57
58 void perf_tool__fill_defaults(struct perf_tool *tool);
59
60 int 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
66 bool perf_session__has_traces(struct perf_session *session, const char *msg);
67
68 void perf_event__attr_swap(struct perf_event_attr *attr);
69
70 int perf_session__create_kernel_maps(struct perf_session *session);
71
72 void perf_session__set_id_hdr_size(struct perf_session *session);
73
74 static inline
75 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
76 {
77         return machines__find(&session->machines, pid);
78 }
79
80 static inline
81 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
82 {
83         return machines__findnew(&session->machines, pid);
84 }
85
86 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
87 int perf_session__register_idle_thread(struct perf_session *session);
88
89 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
90
91 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
92
93 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
94                                           bool (fn)(struct dso *dso, int parm), int parm);
95
96 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
97
98 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
99                                             unsigned int type);
100
101 int perf_session__cpu_bitmap(struct perf_session *session,
102                              const char *cpu_list, unsigned long *cpu_bitmap);
103
104 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
105
106 struct perf_evsel_str_handler;
107
108 int __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
115 extern volatile int session_done;
116
117 #define session_done()  READ_ONCE(session_done)
118
119 int perf_session__deliver_synth_event(struct perf_session *session,
120                                       union perf_event *event,
121                                       struct perf_sample *sample);
122
123 int perf_event__process_id_index(struct perf_tool *tool,
124                                  union perf_event *event,
125                                  struct perf_session *session);
126
127 int perf_event__synthesize_id_index(struct perf_tool *tool,
128                                     perf_event__handler_t process,
129                                     struct perf_evlist *evlist,
130                                     struct machine *machine);
131
132 #endif /* __PERF_SESSION_H */