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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 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
35 * more than one entry in the evlist.
36 */
37struct perf_sample_id {
38 struct hlist_node node;
39 u64 id;
40 struct perf_evsel *evsel;
41
42 /* Holds total ID period value for PERF_SAMPLE_READ processing. */
43 u64 period;
44};
45
46/** struct perf_evsel - event selector
47 *
48 * @name - Can be set to retain the original event name passed by the user,
49 * so that when showing results in tools such as 'perf stat', we
50 * show the name used, not some alias.
51 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
52 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
53 * struct sample_event
54 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
55 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
56 * is used there is an id sample appended to non-sample events
57 */
58struct perf_evsel {
59 struct list_head node;
60 struct perf_event_attr attr;
61 char *filter;
62 struct xyarray *fd;
63 struct xyarray *sample_id;
64 u64 *id;
65 struct perf_counts *counts;
66 struct perf_counts *prev_raw_counts;
67 int idx;
68 u32 ids;
69 struct hists hists;
70 char *name;
71 double scale;
72 const char *unit;
73 struct event_format *tp_format;
74 union {
75 void *priv;
76 off_t id_offset;
77 };
78 struct cgroup_sel *cgrp;
79 void *handler;
80 struct cpu_map *cpus;
81 unsigned int sample_size;
82 int id_pos;
83 int is_pos;
84 bool supported;
85 bool needs_swap;
86 /* parse modifier helper */
87 int exclude_GH;
88 int nr_members;
89 int sample_read;
90 struct perf_evsel *leader;
91 char *group_name;
92};
93
94#define hists_to_evsel(h) container_of(h, struct perf_evsel, hists)
95
96struct cpu_map;
97struct thread_map;
98struct perf_evlist;
99struct record_opts;
100
101struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
102
103static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
104{
105 return perf_evsel__new_idx(attr, 0);
106}
107
108struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
109
110static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
111{
112 return perf_evsel__newtp_idx(sys, name, 0);
113}
114
115struct event_format *event_format__new(const char *sys, const char *name);
116
117void perf_evsel__init(struct perf_evsel *evsel,
118 struct perf_event_attr *attr, int idx);
119void perf_evsel__exit(struct perf_evsel *evsel);
120void perf_evsel__delete(struct perf_evsel *evsel);
121
122void perf_evsel__config(struct perf_evsel *evsel,
123 struct record_opts *opts);
124
125int __perf_evsel__sample_size(u64 sample_type);
126void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
127
128bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
129
130#define PERF_EVSEL__MAX_ALIASES 8
131
132extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
133 [PERF_EVSEL__MAX_ALIASES];
134extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
135 [PERF_EVSEL__MAX_ALIASES];
136extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
137 [PERF_EVSEL__MAX_ALIASES];
138extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
139extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
140int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
141 char *bf, size_t size);
142const char *perf_evsel__name(struct perf_evsel *evsel);
143
144const char *perf_evsel__group_name(struct perf_evsel *evsel);
145int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
146
147int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
148int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
149int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
150void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus);
151void perf_evsel__free_fd(struct perf_evsel *evsel);
152void perf_evsel__free_id(struct perf_evsel *evsel);
153void perf_evsel__free_counts(struct perf_evsel *evsel);
154void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
155
156void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
157 enum perf_event_sample_format bit);
158void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
159 enum perf_event_sample_format bit);
160
161#define perf_evsel__set_sample_bit(evsel, bit) \
162 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
163
164#define perf_evsel__reset_sample_bit(evsel, bit) \
165 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
166
167void perf_evsel__set_sample_id(struct perf_evsel *evsel,
168 bool use_sample_identifier);
169
170int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
171 const char *filter);
172int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads);
173
174int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
175 struct cpu_map *cpus);
176int perf_evsel__open_per_thread(struct perf_evsel *evsel,
177 struct thread_map *threads);
178int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
179 struct thread_map *threads);
180void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
181
182struct perf_sample;
183
184void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
185 const char *name);
186u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
187 const char *name);
188
189static inline char *perf_evsel__strval(struct perf_evsel *evsel,
190 struct perf_sample *sample,
191 const char *name)
192{
193 return perf_evsel__rawptr(evsel, sample, name);
194}
195
196struct format_field;
197
198struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
199
200#define perf_evsel__match(evsel, t, c) \
201 (evsel->attr.type == PERF_TYPE_##t && \
202 evsel->attr.config == PERF_COUNT_##c)
203
204static inline bool perf_evsel__match2(struct perf_evsel *e1,
205 struct perf_evsel *e2)
206{
207 return (e1->attr.type == e2->attr.type) &&
208 (e1->attr.config == e2->attr.config);
209}
210
211#define perf_evsel__cmp(a, b) \
212 ((a) && \
213 (b) && \
214 (a)->attr.type == (b)->attr.type && \
215 (a)->attr.config == (b)->attr.config)
216
217int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
218 int cpu, int thread, bool scale);
219
220/**
221 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
222 *
223 * @evsel - event selector to read value
224 * @cpu - CPU of interest
225 * @thread - thread of interest
226 */
227static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
228 int cpu, int thread)
229{
230 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
231}
232
233/**
234 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
235 *
236 * @evsel - event selector to read value
237 * @cpu - CPU of interest
238 * @thread - thread of interest
239 */
240static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
241 int cpu, int thread)
242{
243 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
244}
245
246int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
247 bool scale);
248
249/**
250 * perf_evsel__read - Read the aggregate results on all CPUs
251 *
252 * @evsel - event selector to read value
253 * @ncpus - Number of cpus affected, from zero
254 * @nthreads - Number of threads affected, from zero
255 */
256static inline int perf_evsel__read(struct perf_evsel *evsel,
257 int ncpus, int nthreads)
258{
259 return __perf_evsel__read(evsel, ncpus, nthreads, false);
260}
261
262/**
263 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
264 *
265 * @evsel - event selector to read value
266 * @ncpus - Number of cpus affected, from zero
267 * @nthreads - Number of threads affected, from zero
268 */
269static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
270 int ncpus, int nthreads)
271{
272 return __perf_evsel__read(evsel, ncpus, nthreads, true);
273}
274
275void hists__init(struct hists *hists);
276
277int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
278 struct perf_sample *sample);
279
280static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
281{
282 return list_entry(evsel->node.next, struct perf_evsel, node);
283}
284
285static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
286{
287 return list_entry(evsel->node.prev, struct perf_evsel, node);
288}
289
290/**
291 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
292 *
293 * @evsel - evsel selector to be tested
294 *
295 * Return %true if @evsel is a group leader or a stand-alone event
296 */
297static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
298{
299 return evsel->leader == evsel;
300}
301
302/**
303 * perf_evsel__is_group_event - Return whether given evsel is a group event
304 *
305 * @evsel - evsel selector to be tested
306 *
307 * Return %true iff event group view is enabled and @evsel is a actual group
308 * leader which has other members in the group
309 */
310static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
311{
312 if (!symbol_conf.event_group)
313 return false;
314
315 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
316}
317
318/**
319 * perf_evsel__is_function_event - Return whether given evsel is a function
320 * trace event
321 *
322 * @evsel - evsel selector to be tested
323 *
324 * Return %true if event is function trace event
325 */
326static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel)
327{
328#define FUNCTION_EVENT "ftrace:function"
329
330 return evsel->name &&
331 !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT));
332
333#undef FUNCTION_EVENT
334}
335
336struct perf_attr_details {
337 bool freq;
338 bool verbose;
339 bool event_group;
340};
341
342int perf_evsel__fprintf(struct perf_evsel *evsel,
343 struct perf_attr_details *details, FILE *fp);
344
345bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
346 char *msg, size_t msgsize);
347int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
348 int err, char *msg, size_t size);
349
350static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
351{
352 return evsel->idx - evsel->leader->idx;
353}
354
355#define for_each_group_member(_evsel, _leader) \
356for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
357 (_evsel) && (_evsel)->leader == (_leader); \
358 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
359
360#endif /* __PERF_EVSEL_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_EVSEL_H
3#define __PERF_EVSEL_H 1
4
5#include <linux/list.h>
6#include <stdbool.h>
7#include <sys/types.h>
8#include <linux/perf_event.h>
9#include <linux/types.h>
10#include <internal/evsel.h>
11#include <perf/evsel.h>
12#include "symbol_conf.h"
13#include <internal/cpumap.h>
14
15struct bpf_object;
16struct cgroup;
17struct perf_counts;
18struct perf_stat_evsel;
19union perf_event;
20
21typedef int (perf_evsel__sb_cb_t)(union perf_event *event, void *data);
22
23enum perf_tool_event {
24 PERF_TOOL_NONE = 0,
25 PERF_TOOL_DURATION_TIME = 1,
26};
27
28/** struct evsel - event selector
29 *
30 * @evlist - evlist this evsel is in, if it is in one.
31 * @core - libperf evsel object
32 * @name - Can be set to retain the original event name passed by the user,
33 * so that when showing results in tools such as 'perf stat', we
34 * show the name used, not some alias.
35 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
36 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
37 * struct perf_record_sample
38 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
39 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
40 * is used there is an id sample appended to non-sample events
41 * @priv: And what is in its containing unnamed union are tool specific
42 */
43struct evsel {
44 struct perf_evsel core;
45 struct evlist *evlist;
46 char *filter;
47 struct perf_counts *counts;
48 struct perf_counts *prev_raw_counts;
49 int idx;
50 unsigned long max_events;
51 unsigned long nr_events_printed;
52 char *name;
53 double scale;
54 const char *unit;
55 struct tep_event *tp_format;
56 off_t id_offset;
57 struct perf_stat_evsel *stats;
58 void *priv;
59 u64 db_id;
60 struct cgroup *cgrp;
61 void *handler;
62 unsigned int sample_size;
63 int id_pos;
64 int is_pos;
65 enum perf_tool_event tool_event;
66 bool uniquified_name;
67 bool snapshot;
68 bool supported;
69 bool needs_swap;
70 bool disabled;
71 bool no_aux_samples;
72 bool immediate;
73 bool tracking;
74 bool per_pkg;
75 bool precise_max;
76 bool ignore_missing_thread;
77 bool forced_leader;
78 bool use_uncore_alias;
79 /* parse modifier helper */
80 int exclude_GH;
81 int sample_read;
82 unsigned long *per_pkg_mask;
83 struct evsel *leader;
84 char *group_name;
85 bool cmdline_group_boundary;
86 struct list_head config_terms;
87 struct bpf_object *bpf_obj;
88 int bpf_fd;
89 bool auto_merge_stats;
90 bool merged_stat;
91 const char * metric_expr;
92 const char * metric_name;
93 struct evsel **metric_events;
94 struct evsel *metric_leader;
95 bool collect_stat;
96 bool weak_group;
97 bool percore;
98 const char *pmu_name;
99 struct {
100 perf_evsel__sb_cb_t *cb;
101 void *data;
102 } side_band;
103};
104
105struct perf_missing_features {
106 bool sample_id_all;
107 bool exclude_guest;
108 bool mmap2;
109 bool cloexec;
110 bool clockid;
111 bool clockid_wrong;
112 bool lbr_flags;
113 bool write_backward;
114 bool group_read;
115 bool ksymbol;
116 bool bpf;
117 bool aux_output;
118};
119
120extern struct perf_missing_features perf_missing_features;
121
122struct perf_cpu_map;
123struct target;
124struct thread_map;
125struct record_opts;
126
127static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
128{
129 return perf_evsel__cpus(&evsel->core);
130}
131
132static inline int perf_evsel__nr_cpus(struct evsel *evsel)
133{
134 return evsel__cpus(evsel)->nr;
135}
136
137void perf_counts_values__scale(struct perf_counts_values *count,
138 bool scale, s8 *pscaled);
139
140void perf_evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
141 struct perf_counts_values *count);
142
143int perf_evsel__object_config(size_t object_size,
144 int (*init)(struct evsel *evsel),
145 void (*fini)(struct evsel *evsel));
146
147struct evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
148
149static inline struct evsel *evsel__new(struct perf_event_attr *attr)
150{
151 return perf_evsel__new_idx(attr, 0);
152}
153
154struct evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
155
156/*
157 * Returns pointer with encoded error via <linux/err.h> interface.
158 */
159static inline struct evsel *perf_evsel__newtp(const char *sys, const char *name)
160{
161 return perf_evsel__newtp_idx(sys, name, 0);
162}
163
164struct evsel *perf_evsel__new_cycles(bool precise);
165
166struct tep_event *event_format__new(const char *sys, const char *name);
167
168void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
169void perf_evsel__exit(struct evsel *evsel);
170void evsel__delete(struct evsel *evsel);
171
172struct callchain_param;
173
174void perf_evsel__config(struct evsel *evsel,
175 struct record_opts *opts,
176 struct callchain_param *callchain);
177void perf_evsel__config_callchain(struct evsel *evsel,
178 struct record_opts *opts,
179 struct callchain_param *callchain);
180
181int __perf_evsel__sample_size(u64 sample_type);
182void perf_evsel__calc_id_pos(struct evsel *evsel);
183
184bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
185
186#define PERF_EVSEL__MAX_ALIASES 8
187
188extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
189 [PERF_EVSEL__MAX_ALIASES];
190extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
191 [PERF_EVSEL__MAX_ALIASES];
192extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
193 [PERF_EVSEL__MAX_ALIASES];
194extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
195extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
196int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
197 char *bf, size_t size);
198const char *perf_evsel__name(struct evsel *evsel);
199
200const char *perf_evsel__group_name(struct evsel *evsel);
201int perf_evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
202
203void __perf_evsel__set_sample_bit(struct evsel *evsel,
204 enum perf_event_sample_format bit);
205void __perf_evsel__reset_sample_bit(struct evsel *evsel,
206 enum perf_event_sample_format bit);
207
208#define perf_evsel__set_sample_bit(evsel, bit) \
209 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
210
211#define perf_evsel__reset_sample_bit(evsel, bit) \
212 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
213
214void perf_evsel__set_sample_id(struct evsel *evsel,
215 bool use_sample_identifier);
216
217int perf_evsel__set_filter(struct evsel *evsel, const char *filter);
218int perf_evsel__append_tp_filter(struct evsel *evsel, const char *filter);
219int perf_evsel__append_addr_filter(struct evsel *evsel,
220 const char *filter);
221int evsel__enable(struct evsel *evsel);
222int evsel__disable(struct evsel *evsel);
223
224int perf_evsel__open_per_cpu(struct evsel *evsel,
225 struct perf_cpu_map *cpus);
226int perf_evsel__open_per_thread(struct evsel *evsel,
227 struct perf_thread_map *threads);
228int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
229 struct perf_thread_map *threads);
230void evsel__close(struct evsel *evsel);
231
232struct perf_sample;
233
234void *perf_evsel__rawptr(struct evsel *evsel, struct perf_sample *sample,
235 const char *name);
236u64 perf_evsel__intval(struct evsel *evsel, struct perf_sample *sample,
237 const char *name);
238
239static inline char *perf_evsel__strval(struct evsel *evsel,
240 struct perf_sample *sample,
241 const char *name)
242{
243 return perf_evsel__rawptr(evsel, sample, name);
244}
245
246struct tep_format_field;
247
248u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
249
250struct tep_format_field *perf_evsel__field(struct evsel *evsel, const char *name);
251
252#define perf_evsel__match(evsel, t, c) \
253 (evsel->core.attr.type == PERF_TYPE_##t && \
254 evsel->core.attr.config == PERF_COUNT_##c)
255
256static inline bool perf_evsel__match2(struct evsel *e1,
257 struct evsel *e2)
258{
259 return (e1->core.attr.type == e2->core.attr.type) &&
260 (e1->core.attr.config == e2->core.attr.config);
261}
262
263#define perf_evsel__cmp(a, b) \
264 ((a) && \
265 (b) && \
266 (a)->core.attr.type == (b)->core.attr.type && \
267 (a)->core.attr.config == (b)->core.attr.config)
268
269int perf_evsel__read_counter(struct evsel *evsel, int cpu, int thread);
270
271int __perf_evsel__read_on_cpu(struct evsel *evsel,
272 int cpu, int thread, bool scale);
273
274/**
275 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
276 *
277 * @evsel - event selector to read value
278 * @cpu - CPU of interest
279 * @thread - thread of interest
280 */
281static inline int perf_evsel__read_on_cpu(struct evsel *evsel,
282 int cpu, int thread)
283{
284 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
285}
286
287/**
288 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
289 *
290 * @evsel - event selector to read value
291 * @cpu - CPU of interest
292 * @thread - thread of interest
293 */
294static inline int perf_evsel__read_on_cpu_scaled(struct evsel *evsel,
295 int cpu, int thread)
296{
297 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
298}
299
300int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
301 struct perf_sample *sample);
302
303int perf_evsel__parse_sample_timestamp(struct evsel *evsel,
304 union perf_event *event,
305 u64 *timestamp);
306
307static inline struct evsel *perf_evsel__next(struct evsel *evsel)
308{
309 return list_entry(evsel->core.node.next, struct evsel, core.node);
310}
311
312static inline struct evsel *perf_evsel__prev(struct evsel *evsel)
313{
314 return list_entry(evsel->core.node.prev, struct evsel, core.node);
315}
316
317/**
318 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
319 *
320 * @evsel - evsel selector to be tested
321 *
322 * Return %true if @evsel is a group leader or a stand-alone event
323 */
324static inline bool perf_evsel__is_group_leader(const struct evsel *evsel)
325{
326 return evsel->leader == evsel;
327}
328
329/**
330 * perf_evsel__is_group_event - Return whether given evsel is a group event
331 *
332 * @evsel - evsel selector to be tested
333 *
334 * Return %true iff event group view is enabled and @evsel is a actual group
335 * leader which has other members in the group
336 */
337static inline bool perf_evsel__is_group_event(struct evsel *evsel)
338{
339 if (!symbol_conf.event_group)
340 return false;
341
342 return perf_evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
343}
344
345bool perf_evsel__is_function_event(struct evsel *evsel);
346
347static inline bool perf_evsel__is_bpf_output(struct evsel *evsel)
348{
349 return perf_evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
350}
351
352static inline bool perf_evsel__is_clock(struct evsel *evsel)
353{
354 return perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
355 perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
356}
357
358bool perf_evsel__fallback(struct evsel *evsel, int err,
359 char *msg, size_t msgsize);
360int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
361 int err, char *msg, size_t size);
362
363static inline int perf_evsel__group_idx(struct evsel *evsel)
364{
365 return evsel->idx - evsel->leader->idx;
366}
367
368/* Iterates group WITHOUT the leader. */
369#define for_each_group_member(_evsel, _leader) \
370for ((_evsel) = list_entry((_leader)->core.node.next, struct evsel, core.node); \
371 (_evsel) && (_evsel)->leader == (_leader); \
372 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
373
374/* Iterates group WITH the leader. */
375#define for_each_group_evsel(_evsel, _leader) \
376for ((_evsel) = _leader; \
377 (_evsel) && (_evsel)->leader == (_leader); \
378 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
379
380static inline bool perf_evsel__has_branch_callstack(const struct evsel *evsel)
381{
382 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
383}
384
385static inline bool evsel__has_callchain(const struct evsel *evsel)
386{
387 return (evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN) != 0;
388}
389
390struct perf_env *perf_evsel__env(struct evsel *evsel);
391
392int perf_evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
393#endif /* __PERF_EVSEL_H */