Loading...
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 */
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 (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 bool is_libpfm_event;
80 /* parse modifier helper */
81 int exclude_GH;
82 int sample_read;
83 unsigned long *per_pkg_mask;
84 struct evsel *leader;
85 char *group_name;
86 bool cmdline_group_boundary;
87 struct list_head config_terms;
88 struct bpf_object *bpf_obj;
89 int bpf_fd;
90 int err;
91 bool auto_merge_stats;
92 bool merged_stat;
93 const char * metric_expr;
94 const char * metric_name;
95 struct evsel **metric_events;
96 struct evsel *metric_leader;
97 bool collect_stat;
98 bool weak_group;
99 bool reset_group;
100 bool errored;
101 bool percore;
102 int cpu_iter;
103 const char *pmu_name;
104 struct {
105 evsel__sb_cb_t *cb;
106 void *data;
107 } side_band;
108 /*
109 * For reporting purposes, an evsel sample can have a callchain
110 * synthesized from AUX area data. Keep track of synthesized sample
111 * types here. Note, the recorded sample_type cannot be changed because
112 * it is needed to continue to parse events.
113 * See also evsel__has_callchain().
114 */
115 __u64 synth_sample_type;
116};
117
118struct perf_missing_features {
119 bool sample_id_all;
120 bool exclude_guest;
121 bool mmap2;
122 bool cloexec;
123 bool clockid;
124 bool clockid_wrong;
125 bool lbr_flags;
126 bool write_backward;
127 bool group_read;
128 bool ksymbol;
129 bool bpf;
130 bool aux_output;
131 bool branch_hw_idx;
132 bool cgroup;
133};
134
135extern struct perf_missing_features perf_missing_features;
136
137struct perf_cpu_map;
138struct target;
139struct thread_map;
140struct record_opts;
141
142static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
143{
144 return perf_evsel__cpus(&evsel->core);
145}
146
147static inline int evsel__nr_cpus(struct evsel *evsel)
148{
149 return evsel__cpus(evsel)->nr;
150}
151
152void perf_counts_values__scale(struct perf_counts_values *count,
153 bool scale, s8 *pscaled);
154
155void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
156 struct perf_counts_values *count);
157
158int evsel__object_config(size_t object_size,
159 int (*init)(struct evsel *evsel),
160 void (*fini)(struct evsel *evsel));
161
162struct perf_pmu *evsel__find_pmu(struct evsel *evsel);
163bool evsel__is_aux_event(struct evsel *evsel);
164
165struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx);
166
167static inline struct evsel *evsel__new(struct perf_event_attr *attr)
168{
169 return evsel__new_idx(attr, 0);
170}
171
172struct evsel *evsel__newtp_idx(const char *sys, const char *name, int idx);
173
174/*
175 * Returns pointer with encoded error via <linux/err.h> interface.
176 */
177static inline struct evsel *evsel__newtp(const char *sys, const char *name)
178{
179 return evsel__newtp_idx(sys, name, 0);
180}
181
182struct evsel *evsel__new_cycles(bool precise);
183
184struct tep_event *event_format__new(const char *sys, const char *name);
185
186void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
187void evsel__exit(struct evsel *evsel);
188void evsel__delete(struct evsel *evsel);
189
190struct callchain_param;
191
192void evsel__config(struct evsel *evsel, struct record_opts *opts,
193 struct callchain_param *callchain);
194void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
195 struct callchain_param *callchain);
196
197int __evsel__sample_size(u64 sample_type);
198void evsel__calc_id_pos(struct evsel *evsel);
199
200bool evsel__is_cache_op_valid(u8 type, u8 op);
201
202#define EVSEL__MAX_ALIASES 8
203
204extern const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES];
205extern const char *evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES];
206extern const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES];
207extern const char *evsel__hw_names[PERF_COUNT_HW_MAX];
208extern const char *evsel__sw_names[PERF_COUNT_SW_MAX];
209int __evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size);
210const char *evsel__name(struct evsel *evsel);
211
212const char *evsel__group_name(struct evsel *evsel);
213int evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
214
215void __evsel__set_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
216void __evsel__reset_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
217
218#define evsel__set_sample_bit(evsel, bit) \
219 __evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
220
221#define evsel__reset_sample_bit(evsel, bit) \
222 __evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
223
224void evsel__set_sample_id(struct evsel *evsel, bool use_sample_identifier);
225
226int evsel__set_filter(struct evsel *evsel, const char *filter);
227int evsel__append_tp_filter(struct evsel *evsel, const char *filter);
228int evsel__append_addr_filter(struct evsel *evsel, const char *filter);
229int evsel__enable_cpu(struct evsel *evsel, int cpu);
230int evsel__enable(struct evsel *evsel);
231int evsel__disable(struct evsel *evsel);
232int evsel__disable_cpu(struct evsel *evsel, int cpu);
233
234int evsel__open_per_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, int cpu);
235int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads);
236int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
237 struct perf_thread_map *threads);
238void evsel__close(struct evsel *evsel);
239
240struct perf_sample;
241
242void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name);
243u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name);
244
245static inline char *evsel__strval(struct evsel *evsel, struct perf_sample *sample, const char *name)
246{
247 return evsel__rawptr(evsel, sample, name);
248}
249
250struct tep_format_field;
251
252u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
253
254struct tep_format_field *evsel__field(struct evsel *evsel, const char *name);
255
256#define evsel__match(evsel, t, c) \
257 (evsel->core.attr.type == PERF_TYPE_##t && \
258 evsel->core.attr.config == PERF_COUNT_##c)
259
260static inline bool evsel__match2(struct evsel *e1, struct evsel *e2)
261{
262 return (e1->core.attr.type == e2->core.attr.type) &&
263 (e1->core.attr.config == e2->core.attr.config);
264}
265
266int evsel__read_counter(struct evsel *evsel, int cpu, int thread);
267
268int __evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread, bool scale);
269
270/**
271 * evsel__read_on_cpu - Read out the results on a CPU and thread
272 *
273 * @evsel - event selector to read value
274 * @cpu - CPU of interest
275 * @thread - thread of interest
276 */
277static inline int evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread)
278{
279 return __evsel__read_on_cpu(evsel, cpu, thread, false);
280}
281
282/**
283 * evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
284 *
285 * @evsel - event selector to read value
286 * @cpu - CPU of interest
287 * @thread - thread of interest
288 */
289static inline int evsel__read_on_cpu_scaled(struct evsel *evsel, int cpu, int thread)
290{
291 return __evsel__read_on_cpu(evsel, cpu, thread, true);
292}
293
294int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
295 struct perf_sample *sample);
296
297int evsel__parse_sample_timestamp(struct evsel *evsel, union perf_event *event,
298 u64 *timestamp);
299
300static inline struct evsel *evsel__next(struct evsel *evsel)
301{
302 return list_entry(evsel->core.node.next, struct evsel, core.node);
303}
304
305static inline struct evsel *evsel__prev(struct evsel *evsel)
306{
307 return list_entry(evsel->core.node.prev, struct evsel, core.node);
308}
309
310/**
311 * evsel__is_group_leader - Return whether given evsel is a leader event
312 *
313 * @evsel - evsel selector to be tested
314 *
315 * Return %true if @evsel is a group leader or a stand-alone event
316 */
317static inline bool evsel__is_group_leader(const struct evsel *evsel)
318{
319 return evsel->leader == evsel;
320}
321
322/**
323 * evsel__is_group_event - Return whether given evsel is a group event
324 *
325 * @evsel - evsel selector to be tested
326 *
327 * Return %true iff event group view is enabled and @evsel is a actual group
328 * leader which has other members in the group
329 */
330static inline bool evsel__is_group_event(struct evsel *evsel)
331{
332 if (!symbol_conf.event_group)
333 return false;
334
335 return evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
336}
337
338bool evsel__is_function_event(struct evsel *evsel);
339
340static inline bool evsel__is_bpf_output(struct evsel *evsel)
341{
342 return evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
343}
344
345static inline bool evsel__is_clock(struct evsel *evsel)
346{
347 return evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
348 evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
349}
350
351bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize);
352int evsel__open_strerror(struct evsel *evsel, struct target *target,
353 int err, char *msg, size_t size);
354
355static inline int evsel__group_idx(struct evsel *evsel)
356{
357 return evsel->idx - evsel->leader->idx;
358}
359
360/* Iterates group WITHOUT the leader. */
361#define for_each_group_member(_evsel, _leader) \
362for ((_evsel) = list_entry((_leader)->core.node.next, struct evsel, core.node); \
363 (_evsel) && (_evsel)->leader == (_leader); \
364 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
365
366/* Iterates group WITH the leader. */
367#define for_each_group_evsel(_evsel, _leader) \
368for ((_evsel) = _leader; \
369 (_evsel) && (_evsel)->leader == (_leader); \
370 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
371
372static inline bool evsel__has_branch_callstack(const struct evsel *evsel)
373{
374 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
375}
376
377static inline bool evsel__has_branch_hw_idx(const struct evsel *evsel)
378{
379 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX;
380}
381
382static inline bool evsel__has_callchain(const struct evsel *evsel)
383{
384 /*
385 * For reporting purposes, an evsel sample can have a recorded callchain
386 * or a callchain synthesized from AUX area data.
387 */
388 return evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN ||
389 evsel->synth_sample_type & PERF_SAMPLE_CALLCHAIN;
390}
391
392static inline bool evsel__has_br_stack(const struct evsel *evsel)
393{
394 /*
395 * For reporting purposes, an evsel sample can have a recorded branch
396 * stack or a branch stack synthesized from AUX area data.
397 */
398 return evsel->core.attr.sample_type & PERF_SAMPLE_BRANCH_STACK ||
399 evsel->synth_sample_type & PERF_SAMPLE_BRANCH_STACK;
400}
401
402static inline bool evsel__is_dummy_event(struct evsel *evsel)
403{
404 return (evsel->core.attr.type == PERF_TYPE_SOFTWARE) &&
405 (evsel->core.attr.config == PERF_COUNT_SW_DUMMY);
406}
407
408struct perf_env *evsel__env(struct evsel *evsel);
409
410int evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
411#endif /* __PERF_EVSEL_H */