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 "hist.h"
6#include "event.h"
7#include "header.h"
8#include "machine.h"
9#include "symbol.h"
10#include "thread.h"
11#include "data.h"
12#include <linux/rbtree.h>
13#include <linux/perf_event.h>
14
15struct sample_queue;
16struct ip_callchain;
17struct thread;
18
19struct ordered_samples {
20 u64 last_flush;
21 u64 next_flush;
22 u64 max_timestamp;
23 struct list_head samples;
24 struct list_head sample_cache;
25 struct list_head to_free;
26 struct sample_queue *sample_buffer;
27 struct sample_queue *last_sample;
28 int sample_buffer_idx;
29 unsigned int nr_samples;
30};
31
32struct perf_session {
33 struct perf_header header;
34 struct machines machines;
35 struct perf_evlist *evlist;
36 struct trace_event tevent;
37 struct events_stats stats;
38 bool repipe;
39 bool one_mmap;
40 void *one_mmap_addr;
41 u64 one_mmap_offset;
42 struct ordered_samples ordered_samples;
43 struct perf_data_file *file;
44};
45
46#define PRINT_IP_OPT_IP (1<<0)
47#define PRINT_IP_OPT_SYM (1<<1)
48#define PRINT_IP_OPT_DSO (1<<2)
49#define PRINT_IP_OPT_SYMOFFSET (1<<3)
50#define PRINT_IP_OPT_ONELINE (1<<4)
51#define PRINT_IP_OPT_SRCLINE (1<<5)
52
53struct perf_tool;
54
55struct perf_session *perf_session__new(struct perf_data_file *file,
56 bool repipe, struct perf_tool *tool);
57void perf_session__delete(struct perf_session *session);
58
59void perf_event_header__bswap(struct perf_event_header *hdr);
60
61int __perf_session__process_events(struct perf_session *session,
62 u64 data_offset, u64 data_size, u64 size,
63 struct perf_tool *tool);
64int perf_session__process_events(struct perf_session *session,
65 struct perf_tool *tool);
66
67int perf_session_queue_event(struct perf_session *s, union perf_event *event,
68 struct perf_sample *sample, u64 file_offset);
69
70void perf_tool__fill_defaults(struct perf_tool *tool);
71
72int perf_session__resolve_callchain(struct perf_session *session,
73 struct perf_evsel *evsel,
74 struct thread *thread,
75 struct ip_callchain *chain,
76 struct symbol **parent);
77
78bool perf_session__has_traces(struct perf_session *session, const char *msg);
79
80void perf_event__attr_swap(struct perf_event_attr *attr);
81
82int perf_session__create_kernel_maps(struct perf_session *session);
83
84void perf_session__set_id_hdr_size(struct perf_session *session);
85
86static inline
87struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
88{
89 return machines__find(&session->machines, pid);
90}
91
92static inline
93struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
94{
95 return machines__findnew(&session->machines, pid);
96}
97
98struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
99size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
100
101size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
102
103size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
104 bool (fn)(struct dso *dso, int parm), int parm);
105
106size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
107
108struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
109 unsigned int type);
110
111void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample,
112 struct addr_location *al,
113 unsigned int print_opts, unsigned int stack_depth);
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() (*(volatile int *)(&session_done))
132#endif /* __PERF_SESSION_H */