1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#ifndef __PERF_SESSION_H
#define __PERF_SESSION_H
#include "event.h"
#include "header.h"
#include "symbol.h"
#include "thread.h"
#include <linux/rbtree.h>
#include "../../../include/linux/perf_event.h"
struct ip_callchain;
struct thread;
struct perf_session {
struct perf_header header;
unsigned long size;
unsigned long mmap_window;
struct map_groups kmaps;
struct rb_root threads;
struct thread *last_match;
struct map *vmlinux_maps[MAP__NR_TYPES];
struct events_stats events_stats;
struct rb_root stats_by_id;
unsigned long event_total[PERF_RECORD_MAX];
unsigned long unknown_events;
struct rb_root hists;
u64 sample_type;
struct ref_reloc_sym ref_reloc_sym;
int fd;
int cwdlen;
char *cwd;
char filename[0];
};
typedef int (*event_op)(event_t *self, struct perf_session *session);
struct perf_event_ops {
event_op sample,
mmap,
comm,
fork,
exit,
lost,
read,
throttle,
unthrottle;
};
struct perf_session *perf_session__new(const char *filename, int mode, bool force);
void perf_session__delete(struct perf_session *self);
void perf_event_header__bswap(struct perf_event_header *self);
int __perf_session__process_events(struct perf_session *self,
u64 data_offset, u64 data_size, u64 size,
struct perf_event_ops *ops);
int perf_session__process_events(struct perf_session *self,
struct perf_event_ops *event_ops);
struct symbol **perf_session__resolve_callchain(struct perf_session *self,
struct thread *thread,
struct ip_callchain *chain,
struct symbol **parent);
bool perf_session__has_traces(struct perf_session *self, const char *msg);
int perf_header__read_build_ids(struct perf_header *self, int input,
u64 offset, u64 file_size);
int perf_session__set_kallsyms_ref_reloc_sym(struct perf_session *self,
const char *symbol_name,
u64 addr);
void mem_bswap_64(void *src, int byte_size);
static inline int __perf_session__create_kernel_maps(struct perf_session *self,
struct dso *kernel)
{
return __map_groups__create_kernel_maps(&self->kmaps,
self->vmlinux_maps, kernel);
}
static inline struct map *
perf_session__new_module_map(struct perf_session *self,
u64 start, const char *filename)
{
return map_groups__new_module(&self->kmaps, start, filename);
}
#endif /* __PERF_SESSION_H */
|
