1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define __PERF_EVSEL_H 1
5 #include <linux/list.h>
8 #include <linux/perf_event.h>
9 #include <linux/types.h>
11 #include "symbol_conf.h"
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.
21 struct perf_sample_id {
22 struct hlist_node node;
24 struct perf_evsel *evsel;
29 /* Holds total ID period value for PERF_SAMPLE_READ processing. */
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.
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_MAX_EVENTS,
50 PERF_EVSEL__CONFIG_TERM_OVERWRITE,
51 PERF_EVSEL__CONFIG_TERM_DRV_CFG,
52 PERF_EVSEL__CONFIG_TERM_BRANCH,
53 PERF_EVSEL__CONFIG_TERM_PERCORE,
56 struct perf_evsel_config_term {
57 struct list_head list;
70 unsigned long max_events;
76 struct perf_stat_evsel;
78 typedef int (perf_evsel__sb_cb_t)(union perf_event *event, void *data);
80 enum perf_tool_event {
82 PERF_TOOL_DURATION_TIME = 1,
87 /** struct perf_evsel - event selector
89 * @evlist - evlist this evsel is in, if it is in one.
90 * @node - To insert it into evlist->entries or in other list_heads, say in
91 * the event parsing routines.
92 * @name - Can be set to retain the original event name passed by the user,
93 * so that when showing results in tools such as 'perf stat', we
94 * show the name used, not some alias.
95 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
96 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
98 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
99 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
100 * is used there is an id sample appended to non-sample events
101 * @priv: And what is in its containing unnamed union are tool specific
104 struct list_head node;
105 struct perf_evlist *evlist;
106 struct perf_event_attr attr;
109 struct xyarray *sample_id;
111 struct perf_counts *counts;
112 struct perf_counts *prev_raw_counts;
115 unsigned long max_events;
116 unsigned long nr_events_printed;
120 struct tep_event *tp_format;
122 struct perf_stat_evsel *stats;
127 struct perf_cpu_map *cpus;
128 struct perf_cpu_map *own_cpus;
129 struct thread_map *threads;
130 unsigned int sample_size;
133 enum perf_tool_event tool_event;
134 bool uniquified_name;
145 bool ignore_missing_thread;
147 bool use_uncore_alias;
148 /* parse modifier helper */
152 unsigned long *per_pkg_mask;
153 struct perf_evsel *leader;
155 bool cmdline_group_boundary;
156 struct list_head config_terms;
157 struct bpf_object *bpf_obj;
159 bool auto_merge_stats;
161 const char * metric_expr;
162 const char * metric_name;
163 struct perf_evsel **metric_events;
167 const char *pmu_name;
169 perf_evsel__sb_cb_t *cb;
179 struct perf_missing_features {
193 extern struct perf_missing_features perf_missing_features;
200 static inline struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
205 static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
207 return perf_evsel__cpus(evsel)->nr;
210 void perf_counts_values__scale(struct perf_counts_values *count,
211 bool scale, s8 *pscaled);
213 void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
214 struct perf_counts_values *count);
216 int perf_evsel__object_config(size_t object_size,
217 int (*init)(struct perf_evsel *evsel),
218 void (*fini)(struct perf_evsel *evsel));
220 struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
222 static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
224 return perf_evsel__new_idx(attr, 0);
227 struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
230 * Returns pointer with encoded error via <linux/err.h> interface.
232 static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
234 return perf_evsel__newtp_idx(sys, name, 0);
237 struct perf_evsel *perf_evsel__new_cycles(bool precise);
239 struct tep_event *event_format__new(const char *sys, const char *name);
241 void perf_evsel__init(struct perf_evsel *evsel,
242 struct perf_event_attr *attr, int idx);
243 void perf_evsel__exit(struct perf_evsel *evsel);
244 void perf_evsel__delete(struct perf_evsel *evsel);
246 struct callchain_param;
248 void perf_evsel__config(struct perf_evsel *evsel,
249 struct record_opts *opts,
250 struct callchain_param *callchain);
251 void perf_evsel__config_callchain(struct perf_evsel *evsel,
252 struct record_opts *opts,
253 struct callchain_param *callchain);
255 int __perf_evsel__sample_size(u64 sample_type);
256 void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
258 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
260 #define PERF_EVSEL__MAX_ALIASES 8
262 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
263 [PERF_EVSEL__MAX_ALIASES];
264 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
265 [PERF_EVSEL__MAX_ALIASES];
266 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
267 [PERF_EVSEL__MAX_ALIASES];
268 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
269 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
270 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
271 char *bf, size_t size);
272 const char *perf_evsel__name(struct perf_evsel *evsel);
274 const char *perf_evsel__group_name(struct perf_evsel *evsel);
275 int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
277 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
278 void perf_evsel__close_fd(struct perf_evsel *evsel);
280 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
281 enum perf_event_sample_format bit);
282 void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
283 enum perf_event_sample_format bit);
285 #define perf_evsel__set_sample_bit(evsel, bit) \
286 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
288 #define perf_evsel__reset_sample_bit(evsel, bit) \
289 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
291 void perf_evsel__set_sample_id(struct perf_evsel *evsel,
292 bool use_sample_identifier);
294 int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
295 int perf_evsel__append_tp_filter(struct perf_evsel *evsel, const char *filter);
296 int perf_evsel__append_addr_filter(struct perf_evsel *evsel,
298 int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter);
299 int perf_evsel__enable(struct perf_evsel *evsel);
300 int perf_evsel__disable(struct perf_evsel *evsel);
302 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
303 struct perf_cpu_map *cpus);
304 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
305 struct thread_map *threads);
306 int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
307 struct thread_map *threads);
308 void perf_evsel__close(struct perf_evsel *evsel);
312 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
314 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
317 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
318 struct perf_sample *sample,
321 return perf_evsel__rawptr(evsel, sample, name);
324 struct tep_format_field;
326 u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
328 struct tep_format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
330 #define perf_evsel__match(evsel, t, c) \
331 (evsel->attr.type == PERF_TYPE_##t && \
332 evsel->attr.config == PERF_COUNT_##c)
334 static inline bool perf_evsel__match2(struct perf_evsel *e1,
335 struct perf_evsel *e2)
337 return (e1->attr.type == e2->attr.type) &&
338 (e1->attr.config == e2->attr.config);
341 #define perf_evsel__cmp(a, b) \
344 (a)->attr.type == (b)->attr.type && \
345 (a)->attr.config == (b)->attr.config)
347 int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
348 struct perf_counts_values *count);
350 int perf_evsel__read_counter(struct perf_evsel *evsel, int cpu, int thread);
352 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
353 int cpu, int thread, bool scale);
356 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
358 * @evsel - event selector to read value
359 * @cpu - CPU of interest
360 * @thread - thread of interest
362 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
365 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
369 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
371 * @evsel - event selector to read value
372 * @cpu - CPU of interest
373 * @thread - thread of interest
375 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
378 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
381 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
382 struct perf_sample *sample);
384 int perf_evsel__parse_sample_timestamp(struct perf_evsel *evsel,
385 union perf_event *event,
388 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
390 return list_entry(evsel->node.next, struct perf_evsel, node);
393 static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
395 return list_entry(evsel->node.prev, struct perf_evsel, node);
399 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
401 * @evsel - evsel selector to be tested
403 * Return %true if @evsel is a group leader or a stand-alone event
405 static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
407 return evsel->leader == evsel;
411 * perf_evsel__is_group_event - Return whether given evsel is a group event
413 * @evsel - evsel selector to be tested
415 * Return %true iff event group view is enabled and @evsel is a actual group
416 * leader which has other members in the group
418 static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
420 if (!symbol_conf.event_group)
423 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
426 bool perf_evsel__is_function_event(struct perf_evsel *evsel);
428 static inline bool perf_evsel__is_bpf_output(struct perf_evsel *evsel)
430 return perf_evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
433 static inline bool perf_evsel__is_clock(struct perf_evsel *evsel)
435 return perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
436 perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
439 struct perf_attr_details {
447 int perf_evsel__fprintf(struct perf_evsel *evsel,
448 struct perf_attr_details *details, FILE *fp);
450 #define EVSEL__PRINT_IP (1<<0)
451 #define EVSEL__PRINT_SYM (1<<1)
452 #define EVSEL__PRINT_DSO (1<<2)
453 #define EVSEL__PRINT_SYMOFFSET (1<<3)
454 #define EVSEL__PRINT_ONELINE (1<<4)
455 #define EVSEL__PRINT_SRCLINE (1<<5)
456 #define EVSEL__PRINT_UNKNOWN_AS_ADDR (1<<6)
457 #define EVSEL__PRINT_CALLCHAIN_ARROW (1<<7)
458 #define EVSEL__PRINT_SKIP_IGNORED (1<<8)
460 struct callchain_cursor;
462 int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
463 unsigned int print_opts,
464 struct callchain_cursor *cursor, FILE *fp);
466 int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
467 int left_alignment, unsigned int print_opts,
468 struct callchain_cursor *cursor, FILE *fp);
470 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
471 char *msg, size_t msgsize);
472 int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
473 int err, char *msg, size_t size);
475 static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
477 return evsel->idx - evsel->leader->idx;
480 /* Iterates group WITHOUT the leader. */
481 #define for_each_group_member(_evsel, _leader) \
482 for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
483 (_evsel) && (_evsel)->leader == (_leader); \
484 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
486 /* Iterates group WITH the leader. */
487 #define for_each_group_evsel(_evsel, _leader) \
488 for ((_evsel) = _leader; \
489 (_evsel) && (_evsel)->leader == (_leader); \
490 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
492 static inline bool perf_evsel__has_branch_callstack(const struct perf_evsel *evsel)
494 return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
497 static inline bool evsel__has_callchain(const struct perf_evsel *evsel)
499 return (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) != 0;
502 typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
504 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
505 attr__fprintf_f attr__fprintf, void *priv);
507 struct perf_env *perf_evsel__env(struct perf_evsel *evsel);
509 int perf_evsel__store_ids(struct perf_evsel *evsel, struct perf_evlist *evlist);
510 #endif /* __PERF_EVSEL_H */