KVM: Implement perf callbacks for guest sampling
[linux-2.6-block.git] / tools / perf / util / event.h
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1#ifndef __PERF_RECORD_H
2#define __PERF_RECORD_H
8b40f521 3
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4#include <limits.h>
5
1fe2c106 6#include "../perf.h"
4a58e611 7#include "map.h"
1fe2c106 8
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9/*
10 * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
11 */
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12struct ip_event {
13 struct perf_event_header header;
14 u64 ip;
15 u32 pid, tid;
16 unsigned char __more_data[];
17};
18
19struct mmap_event {
20 struct perf_event_header header;
21 u32 pid, tid;
22 u64 start;
23 u64 len;
24 u64 pgoff;
25 char filename[PATH_MAX];
26};
27
28struct comm_event {
29 struct perf_event_header header;
30 u32 pid, tid;
31 char comm[16];
32};
33
34struct fork_event {
35 struct perf_event_header header;
36 u32 pid, ppid;
37 u32 tid, ptid;
393b2ad8 38 u64 time;
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39};
40
41struct lost_event {
42 struct perf_event_header header;
43 u64 id;
44 u64 lost;
45};
46
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47/*
48 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
49 */
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50struct read_event {
51 struct perf_event_header header;
dc02bf71 52 u32 pid, tid;
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53 u64 value;
54 u64 time_enabled;
55 u64 time_running;
56 u64 id;
57};
58
180f95e2 59struct sample_event {
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60 struct perf_event_header header;
61 u64 array[];
62};
63
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64struct sample_data {
65 u64 ip;
66 u32 pid, tid;
67 u64 time;
68 u64 addr;
69 u64 id;
70 u64 stream_id;
180f95e2 71 u64 period;
eed05fe7 72 u32 cpu;
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73 u32 raw_size;
74 void *raw_data;
eed05fe7 75 struct ip_callchain *callchain;
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76};
77
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78#define BUILD_ID_SIZE 20
79
80struct build_id_event {
81 struct perf_event_header header;
82 u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
83 char filename[];
84};
fd39e055 85
8dc58101 86enum perf_header_event_type { /* above any possible kernel type */
2c46dbb5 87 PERF_RECORD_HEADER_ATTR = 64,
cd19a035 88 PERF_RECORD_HEADER_EVENT_TYPE = 65,
9215545e 89 PERF_RECORD_HEADER_TRACING_DATA = 66,
c7929e47 90 PERF_RECORD_HEADER_BUILD_ID = 67,
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91 PERF_RECORD_HEADER_MAX
92};
93
94struct attr_event {
95 struct perf_event_header header;
96 struct perf_event_attr attr;
97 u64 id[];
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98};
99
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100#define MAX_EVENT_NAME 64
101
102struct perf_trace_event_type {
103 u64 event_id;
104 char name[MAX_EVENT_NAME];
105};
106
107struct event_type_event {
108 struct perf_event_header header;
109 struct perf_trace_event_type event_type;
110};
111
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112struct tracing_data_event {
113 struct perf_event_header header;
114 u32 size;
115};
116
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117typedef union event_union {
118 struct perf_event_header header;
119 struct ip_event ip;
120 struct mmap_event mmap;
121 struct comm_event comm;
122 struct fork_event fork;
123 struct lost_event lost;
124 struct read_event read;
fd39e055 125 struct sample_event sample;
2c46dbb5 126 struct attr_event attr;
cd19a035 127 struct event_type_event event_type;
9215545e 128 struct tracing_data_event tracing_data;
c7929e47 129 struct build_id_event build_id;
1fe2c106 130} event_t;
66e274f3 131
62daacb5 132struct events_stats {
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133 u64 total;
134 u64 lost;
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135};
136
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137struct event_stat_id {
138 struct rb_node rb_node;
139 struct rb_root hists;
140 struct events_stats stats;
141 u64 config;
142 u64 event_stream;
143 u32 type;
144};
145
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146void event__print_totals(void);
147
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148struct perf_session;
149
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150typedef int (*event__handler_t)(event_t *event, struct perf_session *session);
151
152int event__synthesize_thread(pid_t pid, event__handler_t process,
d8f66248 153 struct perf_session *session);
cf553114 154void event__synthesize_threads(event__handler_t process,
d8f66248 155 struct perf_session *session);
cf553114 156int event__synthesize_kernel_mmap(event__handler_t process,
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157 struct perf_session *session,
158 const char *symbol_name);
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159int event__synthesize_modules(event__handler_t process,
160 struct perf_session *session);
234fbbf5 161
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162int event__process_comm(event_t *self, struct perf_session *session);
163int event__process_lost(event_t *self, struct perf_session *session);
164int event__process_mmap(event_t *self, struct perf_session *session);
165int event__process_task(event_t *self, struct perf_session *session);
62daacb5 166
1ed091c4 167struct addr_location;
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168int event__preprocess_sample(const event_t *self, struct perf_session *session,
169 struct addr_location *al, symbol_filter_t filter);
180f95e2 170int event__parse_sample(event_t *event, u64 type, struct sample_data *data);
1ed091c4 171
8b40f521 172#endif /* __PERF_RECORD_H */