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 unsigned long mmap_window;
34 struct machine host_machine;
35 struct rb_root machines;
36 struct perf_evlist *evlist;
37 struct pevent *pevent;
38
39
40
41
42 struct hists hists;
43 int fd;
44 bool fd_pipe;
45 bool repipe;
46 int cwdlen;
47 char *cwd;
48 struct ordered_samples ordered_samples;
49 char filename[1];
50};
51
52struct perf_tool;
53
54struct perf_session *perf_session__new(const char *filename, int mode,
55 bool force, bool repipe,
56 struct perf_tool *tool);
57void perf_session__delete(struct perf_session *self);
58
59void perf_event_header__bswap(struct perf_event_header *self);
60
61int __perf_session__process_events(struct perf_session *self,
62 u64 data_offset, u64 data_size, u64 size,
63 struct perf_tool *tool);
64int perf_session__process_events(struct perf_session *self,
65 struct perf_tool *tool);
66
67int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
68 struct thread *thread,
69 struct ip_callchain *chain,
70 struct symbol **parent);
71
72bool perf_session__has_traces(struct perf_session *self, const char *msg);
73
74void mem_bswap_64(void *src, int byte_size);
75void mem_bswap_32(void *src, int byte_size);
76void perf_event__attr_swap(struct perf_event_attr *attr);
77
78int perf_session__create_kernel_maps(struct perf_session *self);
79
80void perf_session__set_id_hdr_size(struct perf_session *session);
81void perf_session__remove_thread(struct perf_session *self, struct thread *th);
82
83static inline
84struct machine *perf_session__find_host_machine(struct perf_session *self)
85{
86 return &self->host_machine;
87}
88
89static inline
90struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
91{
92 if (pid == HOST_KERNEL_ID)
93 return &self->host_machine;
94 return machines__find(&self->machines, pid);
95}
96
97static inline
98struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
99{
100 if (pid == HOST_KERNEL_ID)
101 return &self->host_machine;
102 return machines__findnew(&self->machines, pid);
103}
104
105static inline
106void perf_session__process_machines(struct perf_session *self,
107 struct perf_tool *tool,
108 machine__process_t process)
109{
110 process(&self->host_machine, tool);
111 return machines__process(&self->machines, process, tool);
112}
113
114struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
115size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
116
117size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
118
119size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
120 FILE *fp, bool with_hits);
121
122size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
123
124struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
125 unsigned int type);
126
127void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
128 struct perf_sample *sample, struct machine *machine,
129 int print_sym, int print_dso, int print_symoffset);
130
131int perf_session__cpu_bitmap(struct perf_session *session,
132 const char *cpu_list, unsigned long *cpu_bitmap);
133
134void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
135
136struct perf_evsel_str_handler;
137
138int __perf_session__set_tracepoints_handlers(struct perf_session *session,
139 const struct perf_evsel_str_handler *assocs,
140 size_t nr_assocs);
141
142#define perf_session__set_tracepoints_handlers(session, array) \
143 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
144#endif
145
