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>
10 #include <internal/evsel.h>
11 #include <perf/evsel.h>
12 #include "symbol_conf.h"
13 #include <internal/cpumap.h>
16 * The 'struct perf_evsel_config_term' is used to pass event
17 * specific configuration data to perf_evsel__config routine.
18 * It is allocated within event parsing and attached to
19 * perf_evsel::config_terms list head.
22 PERF_EVSEL__CONFIG_TERM_PERIOD,
23 PERF_EVSEL__CONFIG_TERM_FREQ,
24 PERF_EVSEL__CONFIG_TERM_TIME,
25 PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
26 PERF_EVSEL__CONFIG_TERM_STACK_USER,
27 PERF_EVSEL__CONFIG_TERM_INHERIT,
28 PERF_EVSEL__CONFIG_TERM_MAX_STACK,
29 PERF_EVSEL__CONFIG_TERM_MAX_EVENTS,
30 PERF_EVSEL__CONFIG_TERM_OVERWRITE,
31 PERF_EVSEL__CONFIG_TERM_DRV_CFG,
32 PERF_EVSEL__CONFIG_TERM_BRANCH,
33 PERF_EVSEL__CONFIG_TERM_PERCORE,
34 PERF_EVSEL__CONFIG_TERM_AUX_OUTPUT,
37 struct perf_evsel_config_term {
38 struct list_head list;
51 unsigned long max_events;
61 struct perf_stat_evsel;
64 typedef int (perf_evsel__sb_cb_t)(union perf_event *event, void *data);
66 enum perf_tool_event {
68 PERF_TOOL_DURATION_TIME = 1,
71 /** struct evsel - event selector
73 * @evlist - evlist this evsel is in, if it is in one.
74 * @core - libperf evsel object
75 * @name - Can be set to retain the original event name passed by the user,
76 * so that when showing results in tools such as 'perf stat', we
77 * show the name used, not some alias.
78 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
79 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
80 * struct perf_record_sample
81 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
82 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
83 * is used there is an id sample appended to non-sample events
84 * @priv: And what is in its containing unnamed union are tool specific
87 struct perf_evsel core;
88 struct evlist *evlist;
90 struct perf_counts *counts;
91 struct perf_counts *prev_raw_counts;
93 unsigned long max_events;
94 unsigned long nr_events_printed;
98 struct tep_event *tp_format;
100 struct perf_stat_evsel *stats;
105 unsigned int sample_size;
108 enum perf_tool_event tool_event;
109 bool uniquified_name;
119 bool ignore_missing_thread;
121 bool use_uncore_alias;
122 /* parse modifier helper */
125 unsigned long *per_pkg_mask;
126 struct evsel *leader;
128 bool cmdline_group_boundary;
129 struct list_head config_terms;
130 struct bpf_object *bpf_obj;
132 bool auto_merge_stats;
134 const char * metric_expr;
135 const char * metric_name;
136 struct evsel **metric_events;
137 struct evsel *metric_leader;
141 const char *pmu_name;
143 perf_evsel__sb_cb_t *cb;
148 struct perf_missing_features {
163 extern struct perf_missing_features perf_missing_features;
170 static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
172 return perf_evsel__cpus(&evsel->core);
175 static inline int perf_evsel__nr_cpus(struct evsel *evsel)
177 return evsel__cpus(evsel)->nr;
180 void perf_counts_values__scale(struct perf_counts_values *count,
181 bool scale, s8 *pscaled);
183 void perf_evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
184 struct perf_counts_values *count);
186 int perf_evsel__object_config(size_t object_size,
187 int (*init)(struct evsel *evsel),
188 void (*fini)(struct evsel *evsel));
190 struct evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
192 static inline struct evsel *evsel__new(struct perf_event_attr *attr)
194 return perf_evsel__new_idx(attr, 0);
197 struct evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
200 * Returns pointer with encoded error via <linux/err.h> interface.
202 static inline struct evsel *perf_evsel__newtp(const char *sys, const char *name)
204 return perf_evsel__newtp_idx(sys, name, 0);
207 struct evsel *perf_evsel__new_cycles(bool precise);
209 struct tep_event *event_format__new(const char *sys, const char *name);
211 void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
212 void perf_evsel__exit(struct evsel *evsel);
213 void evsel__delete(struct evsel *evsel);
215 struct callchain_param;
217 void perf_evsel__config(struct evsel *evsel,
218 struct record_opts *opts,
219 struct callchain_param *callchain);
220 void perf_evsel__config_callchain(struct evsel *evsel,
221 struct record_opts *opts,
222 struct callchain_param *callchain);
224 int __perf_evsel__sample_size(u64 sample_type);
225 void perf_evsel__calc_id_pos(struct evsel *evsel);
227 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
229 #define PERF_EVSEL__MAX_ALIASES 8
231 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
232 [PERF_EVSEL__MAX_ALIASES];
233 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
234 [PERF_EVSEL__MAX_ALIASES];
235 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
236 [PERF_EVSEL__MAX_ALIASES];
237 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
238 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
239 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
240 char *bf, size_t size);
241 const char *perf_evsel__name(struct evsel *evsel);
243 const char *perf_evsel__group_name(struct evsel *evsel);
244 int perf_evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
246 void __perf_evsel__set_sample_bit(struct evsel *evsel,
247 enum perf_event_sample_format bit);
248 void __perf_evsel__reset_sample_bit(struct evsel *evsel,
249 enum perf_event_sample_format bit);
251 #define perf_evsel__set_sample_bit(evsel, bit) \
252 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
254 #define perf_evsel__reset_sample_bit(evsel, bit) \
255 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
257 void perf_evsel__set_sample_id(struct evsel *evsel,
258 bool use_sample_identifier);
260 int perf_evsel__set_filter(struct evsel *evsel, const char *filter);
261 int perf_evsel__append_tp_filter(struct evsel *evsel, const char *filter);
262 int perf_evsel__append_addr_filter(struct evsel *evsel,
264 int evsel__enable(struct evsel *evsel);
265 int evsel__disable(struct evsel *evsel);
267 int perf_evsel__open_per_cpu(struct evsel *evsel,
268 struct perf_cpu_map *cpus);
269 int perf_evsel__open_per_thread(struct evsel *evsel,
270 struct perf_thread_map *threads);
271 int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
272 struct perf_thread_map *threads);
273 void evsel__close(struct evsel *evsel);
277 void *perf_evsel__rawptr(struct evsel *evsel, struct perf_sample *sample,
279 u64 perf_evsel__intval(struct evsel *evsel, struct perf_sample *sample,
282 static inline char *perf_evsel__strval(struct evsel *evsel,
283 struct perf_sample *sample,
286 return perf_evsel__rawptr(evsel, sample, name);
289 struct tep_format_field;
291 u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
293 struct tep_format_field *perf_evsel__field(struct evsel *evsel, const char *name);
295 #define perf_evsel__match(evsel, t, c) \
296 (evsel->core.attr.type == PERF_TYPE_##t && \
297 evsel->core.attr.config == PERF_COUNT_##c)
299 static inline bool perf_evsel__match2(struct evsel *e1,
302 return (e1->core.attr.type == e2->core.attr.type) &&
303 (e1->core.attr.config == e2->core.attr.config);
306 #define perf_evsel__cmp(a, b) \
309 (a)->core.attr.type == (b)->core.attr.type && \
310 (a)->core.attr.config == (b)->core.attr.config)
312 int perf_evsel__read_counter(struct evsel *evsel, int cpu, int thread);
314 int __perf_evsel__read_on_cpu(struct evsel *evsel,
315 int cpu, int thread, bool scale);
318 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
320 * @evsel - event selector to read value
321 * @cpu - CPU of interest
322 * @thread - thread of interest
324 static inline int perf_evsel__read_on_cpu(struct evsel *evsel,
327 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
331 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
333 * @evsel - event selector to read value
334 * @cpu - CPU of interest
335 * @thread - thread of interest
337 static inline int perf_evsel__read_on_cpu_scaled(struct evsel *evsel,
340 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
343 int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
344 struct perf_sample *sample);
346 int perf_evsel__parse_sample_timestamp(struct evsel *evsel,
347 union perf_event *event,
350 static inline struct evsel *perf_evsel__next(struct evsel *evsel)
352 return list_entry(evsel->core.node.next, struct evsel, core.node);
355 static inline struct evsel *perf_evsel__prev(struct evsel *evsel)
357 return list_entry(evsel->core.node.prev, struct evsel, core.node);
361 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
363 * @evsel - evsel selector to be tested
365 * Return %true if @evsel is a group leader or a stand-alone event
367 static inline bool perf_evsel__is_group_leader(const struct evsel *evsel)
369 return evsel->leader == evsel;
373 * perf_evsel__is_group_event - Return whether given evsel is a group event
375 * @evsel - evsel selector to be tested
377 * Return %true iff event group view is enabled and @evsel is a actual group
378 * leader which has other members in the group
380 static inline bool perf_evsel__is_group_event(struct evsel *evsel)
382 if (!symbol_conf.event_group)
385 return perf_evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
388 bool perf_evsel__is_function_event(struct evsel *evsel);
390 static inline bool perf_evsel__is_bpf_output(struct evsel *evsel)
392 return perf_evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
395 static inline bool perf_evsel__is_clock(struct evsel *evsel)
397 return perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
398 perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
401 bool perf_evsel__fallback(struct evsel *evsel, int err,
402 char *msg, size_t msgsize);
403 int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
404 int err, char *msg, size_t size);
406 static inline int perf_evsel__group_idx(struct evsel *evsel)
408 return evsel->idx - evsel->leader->idx;
411 /* Iterates group WITHOUT the leader. */
412 #define for_each_group_member(_evsel, _leader) \
413 for ((_evsel) = list_entry((_leader)->core.node.next, struct evsel, core.node); \
414 (_evsel) && (_evsel)->leader == (_leader); \
415 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
417 /* Iterates group WITH the leader. */
418 #define for_each_group_evsel(_evsel, _leader) \
419 for ((_evsel) = _leader; \
420 (_evsel) && (_evsel)->leader == (_leader); \
421 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
423 static inline bool perf_evsel__has_branch_callstack(const struct evsel *evsel)
425 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
428 static inline bool evsel__has_callchain(const struct evsel *evsel)
430 return (evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN) != 0;
433 struct perf_env *perf_evsel__env(struct evsel *evsel);
435 int perf_evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
436 #endif /* __PERF_EVSEL_H */