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 struct ordered_samples ordered_samples;
41 char filename[1];
42};
43
44#define PRINT_IP_OPT_IP (1<<0)
45#define PRINT_IP_OPT_SYM (1<<1)
46#define PRINT_IP_OPT_DSO (1<<2)
47#define PRINT_IP_OPT_SYMOFFSET (1<<3)
48#define PRINT_IP_OPT_ONELINE (1<<4)
49
50struct perf_tool;
51
52struct perf_session *perf_session__new(const char *filename, int mode,
53 bool force, bool repipe,
54 struct perf_tool *tool);
55void perf_session__delete(struct perf_session *session);
56
57void perf_event_header__bswap(struct perf_event_header *self);
58
59int __perf_session__process_events(struct perf_session *self,
60 u64 data_offset, u64 data_size, u64 size,
61 struct perf_tool *tool);
62int perf_session__process_events(struct perf_session *self,
63 struct perf_tool *tool);
64
65int perf_session_queue_event(struct perf_session *s, union perf_event *event,
66 struct perf_sample *sample, u64 file_offset);
67
68void perf_tool__fill_defaults(struct perf_tool *tool);
69
70int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
71 struct thread *thread,
72 struct ip_callchain *chain,
73 struct symbol **parent);
74
75bool perf_session__has_traces(struct perf_session *self, const char *msg);
76
77void mem_bswap_64(void *src, int byte_size);
78void mem_bswap_32(void *src, int byte_size);
79void perf_event__attr_swap(struct perf_event_attr *attr);
80
81int perf_session__create_kernel_maps(struct perf_session *self);
82
83void perf_session__set_id_hdr_size(struct perf_session *session);
84
85static inline
86struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
87{
88 return machines__find(&self->machines, pid);
89}
90
91static inline
92struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
93{
94 return machines__findnew(&self->machines, pid);
95}
96
97struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
98size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
99
100size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
101
102size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
103 bool (fn)(struct dso *dso, int parm), int parm);
104
105size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
106
107struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
108 unsigned int type);
109
110void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
111 struct perf_sample *sample, struct machine *machine,
112 unsigned int print_opts, unsigned int stack_depth);
113
114int perf_session__cpu_bitmap(struct perf_session *session,
115 const char *cpu_list, unsigned long *cpu_bitmap);
116
117void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
118
119struct perf_evsel_str_handler;
120
121int __perf_session__set_tracepoints_handlers(struct perf_session *session,
122 const struct perf_evsel_str_handler *assocs,
123 size_t nr_assocs);
124
125#define perf_session__set_tracepoints_handlers(session, array) \
126 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
127
128extern volatile int session_done;
129
130#define session_done() (*(volatile int *)(&session_done))
131#endif
132
