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 /* ANDROID_CHANGE_BEGIN */
10 #if 0
11 #include <linux/rbtree.h>
12 #include "../../../include/linux/perf_event.h"
13 #else
14 #include "include/linux/rbtree.h"
15 #include "include/linux/added/perf_event.h"
16 #endif
17 /* ANDROID_CHANGE_END */
18
19 struct sample_queue;
20 struct ip_callchain;
21 struct thread;
22
23 struct ordered_samples {
24 u64 last_flush;
25 u64 next_flush;
26 u64 max_timestamp;
27 struct list_head samples;
28 struct list_head sample_cache;
29 struct list_head to_free;
30 struct sample_queue *sample_buffer;
31 struct sample_queue *last_sample;
32 int sample_buffer_idx;
33 };
34
35 struct perf_session {
36 struct perf_header header;
37 unsigned long size;
38 unsigned long mmap_window;
39 struct rb_root threads;
40 struct list_head dead_threads;
41 struct thread *last_match;
42 struct machine host_machine;
43 struct rb_root machines;
44 struct perf_evlist *evlist;
45 /*
46 * FIXME: Need to split this up further, we need global
47 * stats + per event stats. 'perf diff' also needs
48 * to properly support multiple events in a single
49 * perf.data file.
50 */
51 struct hists hists;
52 u64 sample_type;
53 int sample_size;
54 int fd;
55 bool fd_pipe;
56 bool repipe;
57 bool sample_id_all;
58 u16 id_hdr_size;
59 int cwdlen;
60 char *cwd;
61 struct ordered_samples ordered_samples;
62 struct callchain_cursor callchain_cursor;
63 char filename[0];
64 };
65
66 struct perf_evsel;
67 struct perf_event_ops;
68
69 typedef int (*event_sample)(union perf_event *event, struct perf_sample *sample,
70 struct perf_evsel *evsel, struct perf_session *session);
71 typedef int (*event_op)(union perf_event *self, struct perf_sample *sample,
72 struct perf_session *session);
73 typedef int (*event_synth_op)(union perf_event *self,
74 struct perf_session *session);
75 typedef int (*event_op2)(union perf_event *self, struct perf_session *session,
76 struct perf_event_ops *ops);
77
78 struct perf_event_ops {
79 event_sample sample;
80 event_op mmap,
81 comm,
82 fork,
83 exit,
84 lost,
85 read,
86 throttle,
87 unthrottle;
88 event_synth_op attr,
89 event_type,
90 tracing_data,
91 build_id;
92 event_op2 finished_round;
93 bool ordered_samples;
94 bool ordering_requires_timestamps;
95 };
96
97 struct perf_session *perf_session__new(const char *filename, int mode,
98 bool force, bool repipe,
99 struct perf_event_ops *ops);
100 void perf_session__delete(struct perf_session *self);
101
102 void perf_event_header__bswap(struct perf_event_header *self);
103
104 int __perf_session__process_events(struct perf_session *self,
105 u64 data_offset, u64 data_size, u64 size,
106 struct perf_event_ops *ops);
107 int perf_session__process_events(struct perf_session *self,
108 struct perf_event_ops *event_ops);
109
110 int perf_session__resolve_callchain(struct perf_session *self,
111 struct thread *thread,
112 struct ip_callchain *chain,
113 struct symbol **parent);
114
115 bool perf_session__has_traces(struct perf_session *self, const char *msg);
116
117 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
118 const char *symbol_name,
119 u64 addr);
120
121 void mem_bswap_64(void *src, int byte_size);
122 void perf_event__attr_swap(struct perf_event_attr *attr);
123
124 int perf_session__create_kernel_maps(struct perf_session *self);
125
126 void perf_session__update_sample_type(struct perf_session *self);
127 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
128
129 static inline
perf_session__find_host_machine(struct perf_session * self)130 struct machine *perf_session__find_host_machine(struct perf_session *self)
131 {
132 return &self->host_machine;
133 }
134
135 static inline
perf_session__find_machine(struct perf_session * self,pid_t pid)136 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
137 {
138 if (pid == HOST_KERNEL_ID)
139 return &self->host_machine;
140 return machines__find(&self->machines, pid);
141 }
142
143 static inline
perf_session__findnew_machine(struct perf_session * self,pid_t pid)144 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
145 {
146 if (pid == HOST_KERNEL_ID)
147 return &self->host_machine;
148 return machines__findnew(&self->machines, pid);
149 }
150
151 static inline
perf_session__process_machines(struct perf_session * self,machine__process_t process)152 void perf_session__process_machines(struct perf_session *self,
153 machine__process_t process)
154 {
155 process(&self->host_machine, self);
156 return machines__process(&self->machines, process, self);
157 }
158
159 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
160
161 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
162 FILE *fp, bool with_hits);
163
164 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
165
perf_session__parse_sample(struct perf_session * session,const union perf_event * event,struct perf_sample * sample)166 static inline int perf_session__parse_sample(struct perf_session *session,
167 const union perf_event *event,
168 struct perf_sample *sample)
169 {
170 return perf_event__parse_sample(event, session->sample_type,
171 session->sample_size,
172 session->sample_id_all, sample);
173 }
174
175 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
176 unsigned int type);
177
178 void perf_session__print_symbols(union perf_event *event,
179 struct perf_sample *sample,
180 struct perf_session *session);
181
182 #endif /* __PERF_SESSION_H */
183