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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 <stddef.h>
8#include <linux/perf_event.h>
9#include <linux/types.h>
10#include "xyarray.h"
11#include "symbol.h"
12#include "cpumap.h"
13#include "counts.h"
14
15struct perf_evsel;
16
17/*
18 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
19 * more than one entry in the evlist.
20 */
21struct perf_sample_id {
22 struct hlist_node node;
23 u64 id;
24 struct perf_evsel *evsel;
25 int idx;
26 int cpu;
27 pid_t tid;
28
29 /* Holds total ID period value for PERF_SAMPLE_READ processing. */
30 u64 period;
31};
32
33struct cgroup;
34
35/*
36 * The 'struct perf_evsel_config_term' is used to pass event
37 * specific configuration data to perf_evsel__config routine.
38 * It is allocated within event parsing and attached to
39 * perf_evsel::config_terms list head.
40*/
41enum term_type {
42 PERF_EVSEL__CONFIG_TERM_PERIOD,
43 PERF_EVSEL__CONFIG_TERM_FREQ,
44 PERF_EVSEL__CONFIG_TERM_TIME,
45 PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
46 PERF_EVSEL__CONFIG_TERM_STACK_USER,
47 PERF_EVSEL__CONFIG_TERM_INHERIT,
48 PERF_EVSEL__CONFIG_TERM_MAX_STACK,
49 PERF_EVSEL__CONFIG_TERM_OVERWRITE,
50 PERF_EVSEL__CONFIG_TERM_DRV_CFG,
51 PERF_EVSEL__CONFIG_TERM_BRANCH,
52};
53
54struct perf_evsel_config_term {
55 struct list_head list;
56 enum term_type type;
57 union {
58 u64 period;
59 u64 freq;
60 bool time;
61 char *callgraph;
62 char *drv_cfg;
63 u64 stack_user;
64 int max_stack;
65 bool inherit;
66 bool overwrite;
67 char *branch;
68 } val;
69 bool weak;
70};
71
72struct perf_stat_evsel;
73
74/** struct perf_evsel - event selector
75 *
76 * @evlist - evlist this evsel is in, if it is in one.
77 * @node - To insert it into evlist->entries or in other list_heads, say in
78 * the event parsing routines.
79 * @name - Can be set to retain the original event name passed by the user,
80 * so that when showing results in tools such as 'perf stat', we
81 * show the name used, not some alias.
82 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
83 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
84 * struct sample_event
85 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
86 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
87 * is used there is an id sample appended to non-sample events
88 * @priv: And what is in its containing unnamed union are tool specific
89 */
90struct perf_evsel {
91 struct list_head node;
92 struct perf_evlist *evlist;
93 struct perf_event_attr attr;
94 char *filter;
95 struct xyarray *fd;
96 struct xyarray *sample_id;
97 u64 *id;
98 struct perf_counts *counts;
99 struct perf_counts *prev_raw_counts;
100 int idx;
101 u32 ids;
102 char *name;
103 double scale;
104 const char *unit;
105 struct event_format *tp_format;
106 off_t id_offset;
107 struct perf_stat_evsel *stats;
108 void *priv;
109 u64 db_id;
110 struct cgroup *cgrp;
111 void *handler;
112 struct cpu_map *cpus;
113 struct cpu_map *own_cpus;
114 struct thread_map *threads;
115 unsigned int sample_size;
116 int id_pos;
117 int is_pos;
118 bool uniquified_name;
119 bool snapshot;
120 bool supported;
121 bool needs_swap;
122 bool no_aux_samples;
123 bool immediate;
124 bool system_wide;
125 bool tracking;
126 bool per_pkg;
127 bool precise_max;
128 bool ignore_missing_thread;
129 bool forced_leader;
130 bool use_uncore_alias;
131 /* parse modifier helper */
132 int exclude_GH;
133 int nr_members;
134 int sample_read;
135 unsigned long *per_pkg_mask;
136 struct perf_evsel *leader;
137 char *group_name;
138 bool cmdline_group_boundary;
139 struct list_head config_terms;
140 int bpf_fd;
141 bool auto_merge_stats;
142 bool merged_stat;
143 const char * metric_expr;
144 const char * metric_name;
145 struct perf_evsel **metric_events;
146 bool collect_stat;
147 bool weak_group;
148 const char *pmu_name;
149};
150
151union u64_swap {
152 u64 val64;
153 u32 val32[2];
154};
155
156struct perf_missing_features {
157 bool sample_id_all;
158 bool exclude_guest;
159 bool mmap2;
160 bool cloexec;
161 bool clockid;
162 bool clockid_wrong;
163 bool lbr_flags;
164 bool write_backward;
165 bool group_read;
166};
167
168extern struct perf_missing_features perf_missing_features;
169
170struct cpu_map;
171struct target;
172struct thread_map;
173struct record_opts;
174
175static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
176{
177 return evsel->cpus;
178}
179
180static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
181{
182 return perf_evsel__cpus(evsel)->nr;
183}
184
185void perf_counts_values__scale(struct perf_counts_values *count,
186 bool scale, s8 *pscaled);
187
188void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
189 struct perf_counts_values *count);
190
191int perf_evsel__object_config(size_t object_size,
192 int (*init)(struct perf_evsel *evsel),
193 void (*fini)(struct perf_evsel *evsel));
194
195struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
196
197static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
198{
199 return perf_evsel__new_idx(attr, 0);
200}
201
202struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
203
204/*
205 * Returns pointer with encoded error via <linux/err.h> interface.
206 */
207static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
208{
209 return perf_evsel__newtp_idx(sys, name, 0);
210}
211
212struct perf_evsel *perf_evsel__new_cycles(bool precise);
213
214struct event_format *event_format__new(const char *sys, const char *name);
215
216void perf_evsel__init(struct perf_evsel *evsel,
217 struct perf_event_attr *attr, int idx);
218void perf_evsel__exit(struct perf_evsel *evsel);
219void perf_evsel__delete(struct perf_evsel *evsel);
220
221struct callchain_param;
222
223void perf_evsel__config(struct perf_evsel *evsel,
224 struct record_opts *opts,
225 struct callchain_param *callchain);
226void perf_evsel__config_callchain(struct perf_evsel *evsel,
227 struct record_opts *opts,
228 struct callchain_param *callchain);
229
230int __perf_evsel__sample_size(u64 sample_type);
231void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
232
233bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
234
235#define PERF_EVSEL__MAX_ALIASES 8
236
237extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
238 [PERF_EVSEL__MAX_ALIASES];
239extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
240 [PERF_EVSEL__MAX_ALIASES];
241extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
242 [PERF_EVSEL__MAX_ALIASES];
243extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
244extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
245int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
246 char *bf, size_t size);
247const char *perf_evsel__name(struct perf_evsel *evsel);
248
249const char *perf_evsel__group_name(struct perf_evsel *evsel);
250int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
251
252int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
253void perf_evsel__close_fd(struct perf_evsel *evsel);
254
255void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
256 enum perf_event_sample_format bit);
257void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
258 enum perf_event_sample_format bit);
259
260#define perf_evsel__set_sample_bit(evsel, bit) \
261 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
262
263#define perf_evsel__reset_sample_bit(evsel, bit) \
264 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
265
266void perf_evsel__set_sample_id(struct perf_evsel *evsel,
267 bool use_sample_identifier);
268
269int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
270int perf_evsel__append_tp_filter(struct perf_evsel *evsel, const char *filter);
271int perf_evsel__append_addr_filter(struct perf_evsel *evsel,
272 const char *filter);
273int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter);
274int perf_evsel__enable(struct perf_evsel *evsel);
275int perf_evsel__disable(struct perf_evsel *evsel);
276
277int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
278 struct cpu_map *cpus);
279int perf_evsel__open_per_thread(struct perf_evsel *evsel,
280 struct thread_map *threads);
281int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
282 struct thread_map *threads);
283void perf_evsel__close(struct perf_evsel *evsel);
284
285struct perf_sample;
286
287void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
288 const char *name);
289u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
290 const char *name);
291
292static inline char *perf_evsel__strval(struct perf_evsel *evsel,
293 struct perf_sample *sample,
294 const char *name)
295{
296 return perf_evsel__rawptr(evsel, sample, name);
297}
298
299struct format_field;
300
301u64 format_field__intval(struct format_field *field, struct perf_sample *sample, bool needs_swap);
302
303struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
304
305#define perf_evsel__match(evsel, t, c) \
306 (evsel->attr.type == PERF_TYPE_##t && \
307 evsel->attr.config == PERF_COUNT_##c)
308
309static inline bool perf_evsel__match2(struct perf_evsel *e1,
310 struct perf_evsel *e2)
311{
312 return (e1->attr.type == e2->attr.type) &&
313 (e1->attr.config == e2->attr.config);
314}
315
316#define perf_evsel__cmp(a, b) \
317 ((a) && \
318 (b) && \
319 (a)->attr.type == (b)->attr.type && \
320 (a)->attr.config == (b)->attr.config)
321
322int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
323 struct perf_counts_values *count);
324
325int perf_evsel__read_counter(struct perf_evsel *evsel, int cpu, int thread);
326
327int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
328 int cpu, int thread, bool scale);
329
330/**
331 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
332 *
333 * @evsel - event selector to read value
334 * @cpu - CPU of interest
335 * @thread - thread of interest
336 */
337static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
338 int cpu, int thread)
339{
340 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
341}
342
343/**
344 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
345 *
346 * @evsel - event selector to read value
347 * @cpu - CPU of interest
348 * @thread - thread of interest
349 */
350static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
351 int cpu, int thread)
352{
353 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
354}
355
356int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
357 struct perf_sample *sample);
358
359int perf_evsel__parse_sample_timestamp(struct perf_evsel *evsel,
360 union perf_event *event,
361 u64 *timestamp);
362
363static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
364{
365 return list_entry(evsel->node.next, struct perf_evsel, node);
366}
367
368static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
369{
370 return list_entry(evsel->node.prev, struct perf_evsel, node);
371}
372
373/**
374 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
375 *
376 * @evsel - evsel selector to be tested
377 *
378 * Return %true if @evsel is a group leader or a stand-alone event
379 */
380static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
381{
382 return evsel->leader == evsel;
383}
384
385/**
386 * perf_evsel__is_group_event - Return whether given evsel is a group event
387 *
388 * @evsel - evsel selector to be tested
389 *
390 * Return %true iff event group view is enabled and @evsel is a actual group
391 * leader which has other members in the group
392 */
393static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
394{
395 if (!symbol_conf.event_group)
396 return false;
397
398 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
399}
400
401bool perf_evsel__is_function_event(struct perf_evsel *evsel);
402
403static inline bool perf_evsel__is_bpf_output(struct perf_evsel *evsel)
404{
405 struct perf_event_attr *attr = &evsel->attr;
406
407 return (attr->config == PERF_COUNT_SW_BPF_OUTPUT) &&
408 (attr->type == PERF_TYPE_SOFTWARE);
409}
410
411struct perf_attr_details {
412 bool freq;
413 bool verbose;
414 bool event_group;
415 bool force;
416 bool trace_fields;
417};
418
419int perf_evsel__fprintf(struct perf_evsel *evsel,
420 struct perf_attr_details *details, FILE *fp);
421
422#define EVSEL__PRINT_IP (1<<0)
423#define EVSEL__PRINT_SYM (1<<1)
424#define EVSEL__PRINT_DSO (1<<2)
425#define EVSEL__PRINT_SYMOFFSET (1<<3)
426#define EVSEL__PRINT_ONELINE (1<<4)
427#define EVSEL__PRINT_SRCLINE (1<<5)
428#define EVSEL__PRINT_UNKNOWN_AS_ADDR (1<<6)
429#define EVSEL__PRINT_CALLCHAIN_ARROW (1<<7)
430#define EVSEL__PRINT_SKIP_IGNORED (1<<8)
431
432struct callchain_cursor;
433
434int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
435 unsigned int print_opts,
436 struct callchain_cursor *cursor, FILE *fp);
437
438int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
439 int left_alignment, unsigned int print_opts,
440 struct callchain_cursor *cursor, FILE *fp);
441
442bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
443 char *msg, size_t msgsize);
444int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
445 int err, char *msg, size_t size);
446
447static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
448{
449 return evsel->idx - evsel->leader->idx;
450}
451
452#define for_each_group_member(_evsel, _leader) \
453for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
454 (_evsel) && (_evsel)->leader == (_leader); \
455 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
456
457static inline bool perf_evsel__has_branch_callstack(const struct perf_evsel *evsel)
458{
459 return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
460}
461
462typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
463
464int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
465 attr__fprintf_f attr__fprintf, void *priv);
466
467struct perf_env *perf_evsel__env(struct perf_evsel *evsel);
468
469#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 */