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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/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 /*
37 * FIXME: Need to split this up further, we need global
38 * stats + per event stats. 'perf diff' also needs
39 * to properly support multiple events in a single
40 * perf.data file.
41 */
42 struct hists hists;
43 u64 sample_type;
44 int sample_size;
45 int fd;
46 bool fd_pipe;
47 bool repipe;
48 bool sample_id_all;
49 u16 id_hdr_size;
50 int cwdlen;
51 char *cwd;
52 struct ordered_samples ordered_samples;
53 char filename[1];
54};
55
56struct perf_tool;
57
58struct perf_session *perf_session__new(const char *filename, int mode,
59 bool force, bool repipe,
60 struct perf_tool *tool);
61void perf_session__delete(struct perf_session *self);
62
63void perf_event_header__bswap(struct perf_event_header *self);
64
65int __perf_session__process_events(struct perf_session *self,
66 u64 data_offset, u64 data_size, u64 size,
67 struct perf_tool *tool);
68int perf_session__process_events(struct perf_session *self,
69 struct perf_tool *tool);
70
71int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
72 struct thread *thread,
73 struct ip_callchain *chain,
74 struct symbol **parent);
75
76struct branch_info *machine__resolve_bstack(struct machine *self,
77 struct thread *thread,
78 struct branch_stack *bs);
79
80bool perf_session__has_traces(struct perf_session *self, const char *msg);
81
82void mem_bswap_64(void *src, int byte_size);
83void mem_bswap_32(void *src, int byte_size);
84void perf_event__attr_swap(struct perf_event_attr *attr);
85
86int perf_session__create_kernel_maps(struct perf_session *self);
87
88void perf_session__update_sample_type(struct perf_session *self);
89void perf_session__remove_thread(struct perf_session *self, struct thread *th);
90
91static inline
92struct machine *perf_session__find_host_machine(struct perf_session *self)
93{
94 return &self->host_machine;
95}
96
97static inline
98struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
99{
100 if (pid == HOST_KERNEL_ID)
101 return &self->host_machine;
102 return machines__find(&self->machines, pid);
103}
104
105static inline
106struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
107{
108 if (pid == HOST_KERNEL_ID)
109 return &self->host_machine;
110 return machines__findnew(&self->machines, pid);
111}
112
113static inline
114void perf_session__process_machines(struct perf_session *self,
115 struct perf_tool *tool,
116 machine__process_t process)
117{
118 process(&self->host_machine, tool);
119 return machines__process(&self->machines, process, tool);
120}
121
122struct thread *perf_session__findnew(struct perf_session *self, pid_t pid);
123size_t perf_session__fprintf(struct perf_session *self, FILE *fp);
124
125size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
126
127size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
128 FILE *fp, bool with_hits);
129
130size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
131
132static inline int perf_session__parse_sample(struct perf_session *session,
133 const union perf_event *event,
134 struct perf_sample *sample)
135{
136 return perf_event__parse_sample(event, session->sample_type,
137 session->sample_size,
138 session->sample_id_all, sample,
139 session->header.needs_swap);
140}
141
142static inline int perf_session__synthesize_sample(struct perf_session *session,
143 union perf_event *event,
144 const struct perf_sample *sample)
145{
146 return perf_event__synthesize_sample(event, session->sample_type,
147 sample, session->header.needs_swap);
148}
149
150struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
151 unsigned int type);
152
153void perf_event__print_ip(union perf_event *event, struct perf_sample *sample,
154 struct machine *machine, struct perf_evsel *evsel,
155 int print_sym, int print_dso, int print_symoffset);
156
157int perf_session__cpu_bitmap(struct perf_session *session,
158 const char *cpu_list, unsigned long *cpu_bitmap);
159
160void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
161#endif /* __PERF_SESSION_H */