1#ifndef __PERF_EVSEL_H
2#define __PERF_EVSEL_H 1
3
4#include <linux/list.h>
5#include <stdbool.h>
6#include <stddef.h>
7#include <linux/perf_event.h>
8#include "types.h"
9#include "xyarray.h"
10#include "cgroup.h"
11#include "hist.h"
12#include "symbol.h"
13
14struct perf_counts_values {
15 union {
16 struct {
17 u64 val;
18 u64 ena;
19 u64 run;
20 };
21 u64 values[3];
22 };
23};
24
25struct perf_counts {
26 s8 scaled;
27 struct perf_counts_values aggr;
28 struct perf_counts_values cpu[];
29};
30
31struct perf_evsel;
32
33
34
35
36
37struct perf_sample_id {
38 struct hlist_node node;
39 u64 id;
40 struct perf_evsel *evsel;
41};
42
43
44
45
46
47
48
49struct perf_evsel {
50 struct list_head node;
51 struct perf_event_attr attr;
52 char *filter;
53 struct xyarray *fd;
54 struct xyarray *sample_id;
55 u64 *id;
56 struct perf_counts *counts;
57 struct perf_counts *prev_raw_counts;
58 int idx;
59 u32 ids;
60 struct hists hists;
61 char *name;
62 struct event_format *tp_format;
63 union {
64 void *priv;
65 off_t id_offset;
66 };
67 struct cgroup_sel *cgrp;
68 struct {
69 void *func;
70 void *data;
71 } handler;
72 struct cpu_map *cpus;
73 unsigned int sample_size;
74 bool supported;
75 bool needs_swap;
76
77 int exclude_GH;
78 int nr_members;
79 struct perf_evsel *leader;
80 char *group_name;
81};
82
83#define hists_to_evsel(h) container_of(h, struct perf_evsel, hists)
84
85struct cpu_map;
86struct thread_map;
87struct perf_evlist;
88struct perf_record_opts;
89
90struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
91struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
92
93struct event_format *event_format__new(const char *sys, const char *name);
94
95void perf_evsel__init(struct perf_evsel *evsel,
96 struct perf_event_attr *attr, int idx);
97void perf_evsel__exit(struct perf_evsel *evsel);
98void perf_evsel__delete(struct perf_evsel *evsel);
99
100void perf_evsel__config(struct perf_evsel *evsel,
101 struct perf_record_opts *opts);
102
103bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
104
105#define PERF_EVSEL__MAX_ALIASES 8
106
107extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
108 [PERF_EVSEL__MAX_ALIASES];
109extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
110 [PERF_EVSEL__MAX_ALIASES];
111extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
112 [PERF_EVSEL__MAX_ALIASES];
113extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
114extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
115int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
116 char *bf, size_t size);
117const char *perf_evsel__name(struct perf_evsel *evsel);
118const char *perf_evsel__group_name(struct perf_evsel *evsel);
119int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
120
121int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
122int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
123int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
124void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus);
125void perf_evsel__free_fd(struct perf_evsel *evsel);
126void perf_evsel__free_id(struct perf_evsel *evsel);
127void perf_evsel__free_counts(struct perf_evsel *evsel);
128void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
129
130void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
131 enum perf_event_sample_format bit);
132void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
133 enum perf_event_sample_format bit);
134
135#define perf_evsel__set_sample_bit(evsel, bit) \
136 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
137
138#define perf_evsel__reset_sample_bit(evsel, bit) \
139 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
140
141void perf_evsel__set_sample_id(struct perf_evsel *evsel);
142
143int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
144 const char *filter);
145
146int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
147 struct cpu_map *cpus);
148int perf_evsel__open_per_thread(struct perf_evsel *evsel,
149 struct thread_map *threads);
150int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
151 struct thread_map *threads);
152void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
153
154struct perf_sample;
155
156void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
157 const char *name);
158u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
159 const char *name);
160
161static inline char *perf_evsel__strval(struct perf_evsel *evsel,
162 struct perf_sample *sample,
163 const char *name)
164{
165 return perf_evsel__rawptr(evsel, sample, name);
166}
167
168struct format_field;
169
170struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
171
172#define perf_evsel__match(evsel, t, c) \
173 (evsel->attr.type == PERF_TYPE_##t && \
174 evsel->attr.config == PERF_COUNT_##c)
175
176static inline bool perf_evsel__match2(struct perf_evsel *e1,
177 struct perf_evsel *e2)
178{
179 return (e1->attr.type == e2->attr.type) &&
180 (e1->attr.config == e2->attr.config);
181}
182
183int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
184 int cpu, int thread, bool scale);
185
186
187
188
189
190
191
192
193static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
194 int cpu, int thread)
195{
196 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
197}
198
199
200
201
202
203
204
205
206static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
207 int cpu, int thread)
208{
209 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
210}
211
212int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
213 bool scale);
214
215
216
217
218
219
220
221
222static inline int perf_evsel__read(struct perf_evsel *evsel,
223 int ncpus, int nthreads)
224{
225 return __perf_evsel__read(evsel, ncpus, nthreads, false);
226}
227
228
229
230
231
232
233
234
235static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
236 int ncpus, int nthreads)
237{
238 return __perf_evsel__read(evsel, ncpus, nthreads, true);
239}
240
241void hists__init(struct hists *hists);
242
243int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
244 struct perf_sample *sample);
245
246static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
247{
248 return list_entry(evsel->node.next, struct perf_evsel, node);
249}
250
251
252
253
254
255
256
257
258static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
259{
260 return evsel->leader == evsel;
261}
262
263
264
265
266
267
268
269
270
271static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
272{
273 if (!symbol_conf.event_group)
274 return false;
275
276 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
277}
278
279struct perf_attr_details {
280 bool freq;
281 bool verbose;
282 bool event_group;
283};
284
285int perf_evsel__fprintf(struct perf_evsel *evsel,
286 struct perf_attr_details *details, FILE *fp);
287
288bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
289 char *msg, size_t msgsize);
290int perf_evsel__open_strerror(struct perf_evsel *evsel,
291 struct perf_target *target,
292 int err, char *msg, size_t size);
293
294static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
295{
296 return evsel->idx - evsel->leader->idx;
297}
298
299#define for_each_group_member(_evsel, _leader) \
300for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
301 (_evsel) && (_evsel)->leader == (_leader); \
302 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
303
304#endif
305