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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 "symbol.h"
8#include "thread.h"
9#include <linux/rbtree.h>
10#include "../../../include/uapi/linux/perf_event.h"
11
12struct sample_queue;
13struct ip_callchain;
14struct thread;
15
16struct ordered_samples {
17 u64 last_flush;
18 u64 next_flush;
19 u64 max_timestamp;
20 struct list_head samples;
21 struct list_head sample_cache;
22 struct list_head to_free;
23 struct sample_queue *sample_buffer;
24 struct sample_queue *last_sample;
25 int sample_buffer_idx;
26 unsigned int nr_samples;
27};
28
29struct perf_session {
30 struct perf_header header;
31 unsigned long size;
32 unsigned long mmap_window;
33 struct machine host_machine;
34 struct rb_root machines;
35 struct perf_evlist *evlist;
36 struct pevent *pevent;
37 /*
38 * FIXME: Need to split this up further, we need global
39 * stats + per event stats.
40 */
41 struct hists hists;
42 int fd;
43 bool fd_pipe;
44 bool repipe;
45 int cwdlen;
46 char *cwd;
47 struct ordered_samples ordered_samples;
48 char filename[1];
49};
50
51struct perf_tool;
52
53struct perf_session *perf_session__new(const char *filename, int mode,
54 bool force, bool repipe,
55 struct perf_tool *tool);
56void perf_session__delete(struct perf_session *self);
57
58void perf_event_header__bswap(struct perf_event_header *self);
59
60int __perf_session__process_events(struct perf_session *self,
61 u64 data_offset, u64 data_size, u64 size,
62 struct perf_tool *tool);
63int perf_session__process_events(struct perf_session *self,
64 struct perf_tool *tool);
65
66int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
67 struct thread *thread,
68 struct ip_callchain *chain,
69 struct symbol **parent);
70
71struct branch_info *machine__resolve_bstack(struct machine *self,
72 struct thread *thread,
73 struct branch_stack *bs);
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);
84void perf_session__remove_thread(struct perf_session *self, struct thread *th);
85
86static inline
87struct machine *perf_session__find_host_machine(struct perf_session *self)
88{
89 return &self->host_machine;
90}
91
92static inline
93struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
94{
95 if (pid == HOST_KERNEL_ID)
96 return &self->host_machine;
97 return machines__find(&self->machines, pid);
98}
99
100static inline
101struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
102{
103 if (pid == HOST_KERNEL_ID)
104 return &self->host_machine;
105 return machines__findnew(&self->machines, pid);
106}
107
108static inline
109void perf_session__process_machines(struct perf_session *self,
110 struct perf_tool *tool,
111 machine__process_t process)
112{
113 process(&self->host_machine, tool);
114 return machines__process(&self->machines, process, tool);
115}
116
117struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
118size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
119
120size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
121
122size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
123 FILE *fp, bool with_hits);
124
125size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
126
127struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
128 unsigned int type);
129
130void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
131 struct perf_sample *sample, struct machine *machine,
132 int print_sym, int print_dso, int print_symoffset);
133
134int perf_session__cpu_bitmap(struct perf_session *session,
135 const char *cpu_list, unsigned long *cpu_bitmap);
136
137void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
138
139struct perf_evsel_str_handler;
140
141int __perf_session__set_tracepoints_handlers(struct perf_session *session,
142 const struct perf_evsel_str_handler *assocs,
143 size_t nr_assocs);
144
145#define perf_session__set_tracepoints_handlers(session, array) \
146 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
147#endif /* __PERF_SESSION_H */