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 "hist.h"
5#include "event.h"
6#include "header.h"
7#include "machine.h"
8#include "symbol.h"
9#include "thread.h"
10#include <linux/rbtree.h>
11#include <linux/perf_event.h>
12
13struct sample_queue;
14struct ip_callchain;
15struct thread;
16
17struct ordered_samples {
18 u64 last_flush;
19 u64 next_flush;
20 u64 max_timestamp;
21 struct list_head samples;
22 struct list_head sample_cache;
23 struct list_head to_free;
24 struct sample_queue *sample_buffer;
25 struct sample_queue *last_sample;
26 int sample_buffer_idx;
27 unsigned int nr_samples;
28};
29
30struct perf_session {
31 struct perf_header header;
32 unsigned long size;
33 struct machines machines;
34 struct perf_evlist *evlist;
35 struct pevent *pevent;
36 struct events_stats stats;
37 int fd;
38 bool fd_pipe;
39 bool repipe;
40 int cwdlen;
41 char *cwd;
42 struct ordered_samples ordered_samples;
43 char filename[1];
44};
45
46struct perf_tool;
47
48struct perf_session *perf_session__new(const char *filename, int mode,
49 bool force, bool repipe,
50 struct perf_tool *tool);
51void perf_session__delete(struct perf_session *session);
52
53void perf_event_header__bswap(struct perf_event_header *self);
54
55int __perf_session__process_events(struct perf_session *self,
56 u64 data_offset, u64 data_size, u64 size,
57 struct perf_tool *tool);
58int perf_session__process_events(struct perf_session *self,
59 struct perf_tool *tool);
60
61int perf_session__resolve_callchain(struct perf_session *self, 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 *self, const char *msg);
67
68void mem_bswap_64(void *src, int byte_size);
69void mem_bswap_32(void *src, int byte_size);
70void perf_event__attr_swap(struct perf_event_attr *attr);
71
72int perf_session__create_kernel_maps(struct perf_session *self);
73
74void perf_session__set_id_hdr_size(struct perf_session *session);
75
76static inline
77struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
78{
79 return machines__find(&self->machines, pid);
80}
81
82static inline
83struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
84{
85 return machines__findnew(&self->machines, pid);
86}
87
88struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
89size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
90
91size_t perf_session__fprintf_dsos(struct perf_session *self, 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
101void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
102 struct perf_sample *sample, struct machine *machine,
103 int print_sym, int print_dso, int print_symoffset);
104
105int perf_session__cpu_bitmap(struct perf_session *session,
106 const char *cpu_list, unsigned long *cpu_bitmap);
107
108void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
109
110struct perf_evsel_str_handler;
111
112int __perf_session__set_tracepoints_handlers(struct perf_session *session,
113 const struct perf_evsel_str_handler *assocs,
114 size_t nr_assocs);
115
116#define perf_session__set_tracepoints_handlers(session, array) \
117 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
118#endif /* __PERF_SESSION_H */