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Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001#ifndef __PERF_EVSEL_H
2#define __PERF_EVSEL_H 1
3
4#include <linux/list.h>
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -02005#include <stdbool.h>
Arnaldo Carvalho de Melo07ac0022012-11-13 17:27:28 -03006#include <stddef.h>
David Howellsd2709c72012-11-19 22:21:03 +00007#include <linux/perf_event.h>
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02008#include "types.h"
9#include "xyarray.h"
Stephane Eranian023695d2011-02-14 11:20:01 +020010#include "cgroup.h"
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -030011#include "hist.h"
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -020012
13struct perf_counts_values {
14 union {
15 struct {
16 u64 val;
17 u64 ena;
18 u64 run;
19 };
20 u64 values[3];
21 };
22};
23
24struct perf_counts {
25 s8 scaled;
26 struct perf_counts_values aggr;
27 struct perf_counts_values cpu[];
28};
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -020029
Arnaldo Carvalho de Melo70db7532011-01-12 22:39:13 -020030struct perf_evsel;
31
32/*
33 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
34 * more than one entry in the evlist.
35 */
36struct perf_sample_id {
37 struct hlist_node node;
38 u64 id;
39 struct perf_evsel *evsel;
40};
41
Stephane Eranianf0c55bc2011-02-16 15:10:01 +020042/** struct perf_evsel - event selector
43 *
44 * @name - Can be set to retain the original event name passed by the user,
45 * so that when showing results in tools such as 'perf stat', we
46 * show the name used, not some alias.
47 */
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -020048struct perf_evsel {
49 struct list_head node;
50 struct perf_event_attr attr;
51 char *filter;
52 struct xyarray *fd;
Arnaldo Carvalho de Meloa91e5432011-03-10 11:15:54 -030053 struct xyarray *sample_id;
54 u64 *id;
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -020055 struct perf_counts *counts;
Stephane Eranianc7a79c42013-01-29 12:47:43 +010056 struct perf_counts *prev_raw_counts;
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -020057 int idx;
Robert Richterf4d83432012-08-16 21:10:17 +020058 u32 ids;
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -030059 struct hists hists;
Stephane Eranianf0c55bc2011-02-16 15:10:01 +020060 char *name;
Arnaldo Carvalho de Melofcf65bf2012-08-07 09:58:03 -030061 struct event_format *tp_format;
Arnaldo Carvalho de Meloa91e5432011-03-10 11:15:54 -030062 union {
63 void *priv;
64 off_t id_offset;
65 };
Stephane Eranian023695d2011-02-14 11:20:01 +020066 struct cgroup_sel *cgrp;
Arnaldo Carvalho de Meloee29be62011-11-28 17:57:40 -020067 struct {
68 void *func;
69 void *data;
70 } handler;
Yan, Zheng7ae92e72012-09-10 15:53:50 +080071 struct cpu_map *cpus;
Arnaldo Carvalho de Melobde09462012-08-01 18:53:11 -030072 unsigned int sample_size;
David Ahern2cee77c2011-05-30 08:55:59 -060073 bool supported;
Arnaldo Carvalho de Melo0807d2d2012-09-26 12:48:18 -030074 bool needs_swap;
Jiri Olsaf5b11352012-08-08 12:21:54 +020075 /* parse modifier helper */
76 int exclude_GH;
Namhyung Kim97f63e42013-01-22 18:09:29 +090077 int nr_members;
Jiri Olsa6a4bb042012-08-08 12:22:36 +020078 struct perf_evsel *leader;
79 char *group_name;
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -020080};
81
Namhyung Kim29d720e2013-01-22 18:09:33 +090082#define hists_to_evsel(h) container_of(h, struct perf_evsel, hists)
83
Arnaldo Carvalho de Melo86bd5e82011-01-03 23:09:46 -020084struct cpu_map;
85struct thread_map;
Arnaldo Carvalho de Melo70082dd2011-01-12 17:03:24 -020086struct perf_evlist;
Arnaldo Carvalho de Melo0f82ebc2011-11-08 14:41:57 -020087struct perf_record_opts;
Arnaldo Carvalho de Melo86bd5e82011-01-03 23:09:46 -020088
Lin Ming23a2f3a2011-01-07 11:11:09 +080089struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
Arnaldo Carvalho de Meloefd2b922012-09-18 11:21:50 -030090struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
Arnaldo Carvalho de Melo201b7332012-09-26 20:24:19 -030091
92struct event_format *event_format__new(const char *sys, const char *name);
93
Arnaldo Carvalho de Meloef1d1af2011-01-18 21:41:45 -020094void perf_evsel__init(struct perf_evsel *evsel,
95 struct perf_event_attr *attr, int idx);
96void perf_evsel__exit(struct perf_evsel *evsel);
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -020097void perf_evsel__delete(struct perf_evsel *evsel);
98
Arnaldo Carvalho de Melo0f82ebc2011-11-08 14:41:57 -020099void perf_evsel__config(struct perf_evsel *evsel,
Jiri Olsacac21422012-11-12 18:34:00 +0100100 struct perf_record_opts *opts);
Arnaldo Carvalho de Melo0f82ebc2011-11-08 14:41:57 -0200101
Arnaldo Carvalho de Melo0b668bc2012-06-11 14:08:07 -0300102bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
103
104#define PERF_EVSEL__MAX_ALIASES 8
105
106extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
107 [PERF_EVSEL__MAX_ALIASES];
108extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
109 [PERF_EVSEL__MAX_ALIASES];
Arnaldo Carvalho de Melo8ad70132012-09-06 13:11:18 -0300110extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
111 [PERF_EVSEL__MAX_ALIASES];
112extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
113extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
Arnaldo Carvalho de Melo0b668bc2012-06-11 14:08:07 -0300114int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
115 char *bf, size_t size);
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -0300116const char *perf_evsel__name(struct perf_evsel *evsel);
Namhyung Kim717e2632013-01-22 18:09:44 +0900117const char *perf_evsel__group_name(struct perf_evsel *evsel);
118int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
Arnaldo Carvalho de Meloc4104312012-05-25 16:38:11 -0300119
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200120int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
Arnaldo Carvalho de Melo70db7532011-01-12 22:39:13 -0200121int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200122int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200123void perf_evsel__free_fd(struct perf_evsel *evsel);
Arnaldo Carvalho de Melo70db7532011-01-12 22:39:13 -0200124void perf_evsel__free_id(struct perf_evsel *evsel);
Namhyung Kim43f8e762013-01-25 10:44:44 +0900125void perf_evsel__free_counts(struct perf_evsel *evsel);
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200126void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200127
Arnaldo Carvalho de Melo7be5ebe2012-12-10 14:53:43 -0300128void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
129 enum perf_event_sample_format bit);
130void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
131 enum perf_event_sample_format bit);
132
133#define perf_evsel__set_sample_bit(evsel, bit) \
134 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
135
136#define perf_evsel__reset_sample_bit(evsel, bit) \
137 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
138
Arnaldo Carvalho de Melo7a5a5ca2012-12-10 15:21:30 -0300139void perf_evsel__set_sample_id(struct perf_evsel *evsel);
140
Arnaldo Carvalho de Melo745cefc2012-09-26 15:07:39 -0300141int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
142 const char *filter);
143
Arnaldo Carvalho de Melof08199d2011-01-11 23:42:19 -0200144int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200145 struct cpu_map *cpus);
Arnaldo Carvalho de Melof08199d2011-01-11 23:42:19 -0200146int perf_evsel__open_per_thread(struct perf_evsel *evsel,
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200147 struct thread_map *threads);
Arnaldo Carvalho de Melof08199d2011-01-11 23:42:19 -0200148int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200149 struct thread_map *threads);
Arnaldo Carvalho de Melo727ab042011-10-25 10:42:19 -0200150void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200151
Arnaldo Carvalho de Melo5555ded2012-09-11 19:24:23 -0300152struct perf_sample;
153
Arnaldo Carvalho de Melo5d2074e2012-09-26 20:22:00 -0300154void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
Arnaldo Carvalho de Melo5555ded2012-09-11 19:24:23 -0300155 const char *name);
156u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
157 const char *name);
158
Arnaldo Carvalho de Melo5d2074e2012-09-26 20:22:00 -0300159static inline char *perf_evsel__strval(struct perf_evsel *evsel,
160 struct perf_sample *sample,
161 const char *name)
162{
163 return perf_evsel__rawptr(evsel, sample, name);
164}
165
Arnaldo Carvalho de Meloefd2b922012-09-18 11:21:50 -0300166struct format_field;
167
168struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
169
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200170#define perf_evsel__match(evsel, t, c) \
171 (evsel->attr.type == PERF_TYPE_##t && \
172 evsel->attr.config == PERF_COUNT_##c)
173
Jiri Olsa863e4512012-09-06 17:46:55 +0200174static inline bool perf_evsel__match2(struct perf_evsel *e1,
175 struct perf_evsel *e2)
176{
177 return (e1->attr.type == e2->attr.type) &&
178 (e1->attr.config == e2->attr.config);
179}
180
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200181int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
182 int cpu, int thread, bool scale);
183
184/**
185 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
186 *
187 * @evsel - event selector to read value
188 * @cpu - CPU of interest
189 * @thread - thread of interest
190 */
191static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
192 int cpu, int thread)
193{
194 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
195}
196
197/**
198 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
199 *
200 * @evsel - event selector to read value
201 * @cpu - CPU of interest
202 * @thread - thread of interest
203 */
204static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
205 int cpu, int thread)
206{
207 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
208}
209
210int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
211 bool scale);
212
213/**
214 * perf_evsel__read - Read the aggregate results on all CPUs
215 *
216 * @evsel - event selector to read value
217 * @ncpus - Number of cpus affected, from zero
218 * @nthreads - Number of threads affected, from zero
219 */
220static inline int perf_evsel__read(struct perf_evsel *evsel,
221 int ncpus, int nthreads)
222{
223 return __perf_evsel__read(evsel, ncpus, nthreads, false);
224}
225
226/**
227 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
228 *
229 * @evsel - event selector to read value
230 * @ncpus - Number of cpus affected, from zero
231 * @nthreads - Number of threads affected, from zero
232 */
233static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
234 int ncpus, int nthreads)
235{
236 return __perf_evsel__read(evsel, ncpus, nthreads, true);
237}
238
Jiri Olsa4bf9ce12012-03-22 14:37:26 +0100239void hists__init(struct hists *hists);
240
Arnaldo Carvalho de Meloa3f698f2012-08-02 12:23:46 -0300241int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
Arnaldo Carvalho de Melo0807d2d2012-09-26 12:48:18 -0300242 struct perf_sample *sample);
Arnaldo Carvalho de Melo0c21f732012-08-14 16:42:15 -0300243
244static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
245{
246 return list_entry(evsel->node.next, struct perf_evsel, node);
247}
Arnaldo Carvalho de Melo07ac0022012-11-13 17:27:28 -0300248
Namhyung Kim823254e2012-11-29 15:38:30 +0900249static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
Arnaldo Carvalho de Melo07ac0022012-11-13 17:27:28 -0300250{
Namhyung Kim823254e2012-11-29 15:38:30 +0900251 return evsel->leader == evsel;
Arnaldo Carvalho de Melo07ac0022012-11-13 17:27:28 -0300252}
Arnaldo Carvalho de Melo0698aed2012-12-10 18:17:08 -0300253
254struct perf_attr_details {
255 bool freq;
256 bool verbose;
Arnaldo Carvalho de Meloe35ef3552013-02-06 17:20:02 -0300257 bool event_group;
Arnaldo Carvalho de Melo0698aed2012-12-10 18:17:08 -0300258};
259
260int perf_evsel__fprintf(struct perf_evsel *evsel,
261 struct perf_attr_details *details, FILE *fp);
Arnaldo Carvalho de Meloc0a54342012-12-13 14:16:30 -0300262
263bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
264 char *msg, size_t msgsize);
Arnaldo Carvalho de Melo56e52e82012-12-13 15:10:58 -0300265int perf_evsel__open_strerror(struct perf_evsel *evsel,
266 struct perf_target *target,
267 int err, char *msg, size_t size);
Namhyung Kim97f63e42013-01-22 18:09:29 +0900268
269static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
270{
271 return evsel->idx - evsel->leader->idx;
272}
Namhyung Kim717e2632013-01-22 18:09:44 +0900273
274#define for_each_group_member(_evsel, _leader) \
275for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
276 (_evsel) && (_evsel)->leader == (_leader); \
277 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
278
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200279#endif /* __PERF_EVSEL_H */