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>
18 struct perf_stat_evsel
;
21 typedef int (perf_evsel__sb_cb_t
)(union perf_event
*event
, void *data
);
23 enum perf_tool_event
{
25 PERF_TOOL_DURATION_TIME
= 1,
28 /** struct evsel - event selector
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
44 struct perf_evsel core
;
45 struct evlist
*evlist
;
47 struct perf_counts
*counts
;
48 struct perf_counts
*prev_raw_counts
;
50 unsigned long max_events
;
51 unsigned long nr_events_printed
;
55 struct tep_event
*tp_format
;
57 struct perf_stat_evsel
*stats
;
62 unsigned int sample_size
;
65 enum perf_tool_event tool_event
;
76 bool ignore_missing_thread
;
78 bool use_uncore_alias
;
79 /* parse modifier helper */
82 unsigned long *per_pkg_mask
;
85 bool cmdline_group_boundary
;
86 struct list_head config_terms
;
87 struct bpf_object
*bpf_obj
;
89 bool auto_merge_stats
;
91 const char * metric_expr
;
92 const char * metric_name
;
93 struct evsel
**metric_events
;
94 struct evsel
*metric_leader
;
100 perf_evsel__sb_cb_t
*cb
;
105 struct perf_missing_features
{
120 extern struct perf_missing_features perf_missing_features
;
127 static inline struct perf_cpu_map
*evsel__cpus(struct evsel
*evsel
)
129 return perf_evsel__cpus(&evsel
->core
);
132 static inline int perf_evsel__nr_cpus(struct evsel
*evsel
)
134 return evsel__cpus(evsel
)->nr
;
137 void perf_counts_values__scale(struct perf_counts_values
*count
,
138 bool scale
, s8
*pscaled
);
140 void perf_evsel__compute_deltas(struct evsel
*evsel
, int cpu
, int thread
,
141 struct perf_counts_values
*count
);
143 int perf_evsel__object_config(size_t object_size
,
144 int (*init
)(struct evsel
*evsel
),
145 void (*fini
)(struct evsel
*evsel
));
147 struct evsel
*perf_evsel__new_idx(struct perf_event_attr
*attr
, int idx
);
149 static inline struct evsel
*evsel__new(struct perf_event_attr
*attr
)
151 return perf_evsel__new_idx(attr
, 0);
154 struct evsel
*perf_evsel__newtp_idx(const char *sys
, const char *name
, int idx
);
157 * Returns pointer with encoded error via <linux/err.h> interface.
159 static inline struct evsel
*perf_evsel__newtp(const char *sys
, const char *name
)
161 return perf_evsel__newtp_idx(sys
, name
, 0);
164 struct evsel
*perf_evsel__new_cycles(bool precise
);
166 struct tep_event
*event_format__new(const char *sys
, const char *name
);
168 void evsel__init(struct evsel
*evsel
, struct perf_event_attr
*attr
, int idx
);
169 void perf_evsel__exit(struct evsel
*evsel
);
170 void evsel__delete(struct evsel
*evsel
);
172 struct callchain_param
;
174 void perf_evsel__config(struct evsel
*evsel
,
175 struct record_opts
*opts
,
176 struct callchain_param
*callchain
);
177 void perf_evsel__config_callchain(struct evsel
*evsel
,
178 struct record_opts
*opts
,
179 struct callchain_param
*callchain
);
181 int __perf_evsel__sample_size(u64 sample_type
);
182 void perf_evsel__calc_id_pos(struct evsel
*evsel
);
184 bool perf_evsel__is_cache_op_valid(u8 type
, u8 op
);
186 #define PERF_EVSEL__MAX_ALIASES 8
188 extern const char *perf_evsel__hw_cache
[PERF_COUNT_HW_CACHE_MAX
]
189 [PERF_EVSEL__MAX_ALIASES
];
190 extern const char *perf_evsel__hw_cache_op
[PERF_COUNT_HW_CACHE_OP_MAX
]
191 [PERF_EVSEL__MAX_ALIASES
];
192 extern const char *perf_evsel__hw_cache_result
[PERF_COUNT_HW_CACHE_RESULT_MAX
]
193 [PERF_EVSEL__MAX_ALIASES
];
194 extern const char *perf_evsel__hw_names
[PERF_COUNT_HW_MAX
];
195 extern const char *perf_evsel__sw_names
[PERF_COUNT_SW_MAX
];
196 int __perf_evsel__hw_cache_type_op_res_name(u8 type
, u8 op
, u8 result
,
197 char *bf
, size_t size
);
198 const char *perf_evsel__name(struct evsel
*evsel
);
200 const char *perf_evsel__group_name(struct evsel
*evsel
);
201 int perf_evsel__group_desc(struct evsel
*evsel
, char *buf
, size_t size
);
203 void __perf_evsel__set_sample_bit(struct evsel
*evsel
,
204 enum perf_event_sample_format bit
);
205 void __perf_evsel__reset_sample_bit(struct evsel
*evsel
,
206 enum perf_event_sample_format bit
);
208 #define perf_evsel__set_sample_bit(evsel, bit) \
209 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
211 #define perf_evsel__reset_sample_bit(evsel, bit) \
212 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
214 void perf_evsel__set_sample_id(struct evsel
*evsel
,
215 bool use_sample_identifier
);
217 int perf_evsel__set_filter(struct evsel
*evsel
, const char *filter
);
218 int perf_evsel__append_tp_filter(struct evsel
*evsel
, const char *filter
);
219 int perf_evsel__append_addr_filter(struct evsel
*evsel
,
221 int evsel__enable(struct evsel
*evsel
);
222 int evsel__disable(struct evsel
*evsel
);
224 int perf_evsel__open_per_cpu(struct evsel
*evsel
,
225 struct perf_cpu_map
*cpus
);
226 int perf_evsel__open_per_thread(struct evsel
*evsel
,
227 struct perf_thread_map
*threads
);
228 int evsel__open(struct evsel
*evsel
, struct perf_cpu_map
*cpus
,
229 struct perf_thread_map
*threads
);
230 void evsel__close(struct evsel
*evsel
);
234 void *perf_evsel__rawptr(struct evsel
*evsel
, struct perf_sample
*sample
,
236 u64
perf_evsel__intval(struct evsel
*evsel
, struct perf_sample
*sample
,
239 static inline char *perf_evsel__strval(struct evsel
*evsel
,
240 struct perf_sample
*sample
,
243 return perf_evsel__rawptr(evsel
, sample
, name
);
246 struct tep_format_field
;
248 u64
format_field__intval(struct tep_format_field
*field
, struct perf_sample
*sample
, bool needs_swap
);
250 struct tep_format_field
*perf_evsel__field(struct evsel
*evsel
, const char *name
);
252 #define perf_evsel__match(evsel, t, c) \
253 (evsel->core.attr.type == PERF_TYPE_##t && \
254 evsel->core.attr.config == PERF_COUNT_##c)
256 static inline bool perf_evsel__match2(struct evsel
*e1
,
259 return (e1
->core
.attr
.type
== e2
->core
.attr
.type
) &&
260 (e1
->core
.attr
.config
== e2
->core
.attr
.config
);
263 #define perf_evsel__cmp(a, b) \
266 (a)->core.attr.type == (b)->core.attr.type && \
267 (a)->core.attr.config == (b)->core.attr.config)
269 int perf_evsel__read_counter(struct evsel
*evsel
, int cpu
, int thread
);
271 int __perf_evsel__read_on_cpu(struct evsel
*evsel
,
272 int cpu
, int thread
, bool scale
);
275 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
277 * @evsel - event selector to read value
278 * @cpu - CPU of interest
279 * @thread - thread of interest
281 static inline int perf_evsel__read_on_cpu(struct evsel
*evsel
,
284 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
288 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
290 * @evsel - event selector to read value
291 * @cpu - CPU of interest
292 * @thread - thread of interest
294 static inline int perf_evsel__read_on_cpu_scaled(struct evsel
*evsel
,
297 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
300 int perf_evsel__parse_sample(struct evsel
*evsel
, union perf_event
*event
,
301 struct perf_sample
*sample
);
303 int perf_evsel__parse_sample_timestamp(struct evsel
*evsel
,
304 union perf_event
*event
,
307 static inline struct evsel
*perf_evsel__next(struct evsel
*evsel
)
309 return list_entry(evsel
->core
.node
.next
, struct evsel
, core
.node
);
312 static inline struct evsel
*perf_evsel__prev(struct evsel
*evsel
)
314 return list_entry(evsel
->core
.node
.prev
, struct evsel
, core
.node
);
318 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
320 * @evsel - evsel selector to be tested
322 * Return %true if @evsel is a group leader or a stand-alone event
324 static inline bool perf_evsel__is_group_leader(const struct evsel
*evsel
)
326 return evsel
->leader
== evsel
;
330 * perf_evsel__is_group_event - Return whether given evsel is a group event
332 * @evsel - evsel selector to be tested
334 * Return %true iff event group view is enabled and @evsel is a actual group
335 * leader which has other members in the group
337 static inline bool perf_evsel__is_group_event(struct evsel
*evsel
)
339 if (!symbol_conf
.event_group
)
342 return perf_evsel__is_group_leader(evsel
) && evsel
->core
.nr_members
> 1;
345 bool perf_evsel__is_function_event(struct evsel
*evsel
);
347 static inline bool perf_evsel__is_bpf_output(struct evsel
*evsel
)
349 return perf_evsel__match(evsel
, SOFTWARE
, SW_BPF_OUTPUT
);
352 static inline bool perf_evsel__is_clock(struct evsel
*evsel
)
354 return perf_evsel__match(evsel
, SOFTWARE
, SW_CPU_CLOCK
) ||
355 perf_evsel__match(evsel
, SOFTWARE
, SW_TASK_CLOCK
);
358 bool perf_evsel__fallback(struct evsel
*evsel
, int err
,
359 char *msg
, size_t msgsize
);
360 int perf_evsel__open_strerror(struct evsel
*evsel
, struct target
*target
,
361 int err
, char *msg
, size_t size
);
363 static inline int perf_evsel__group_idx(struct evsel
*evsel
)
365 return evsel
->idx
- evsel
->leader
->idx
;
368 /* Iterates group WITHOUT the leader. */
369 #define for_each_group_member(_evsel, _leader) \
370 for ((_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))
374 /* Iterates group WITH the leader. */
375 #define for_each_group_evsel(_evsel, _leader) \
376 for ((_evsel) = _leader; \
377 (_evsel) && (_evsel)->leader == (_leader); \
378 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
380 static inline bool perf_evsel__has_branch_callstack(const struct evsel
*evsel
)
382 return evsel
->core
.attr
.branch_sample_type
& PERF_SAMPLE_BRANCH_CALL_STACK
;
385 static inline bool evsel__has_callchain(const struct evsel
*evsel
)
387 return (evsel
->core
.attr
.sample_type
& PERF_SAMPLE_CALLCHAIN
) != 0;
390 struct perf_env
*perf_evsel__env(struct evsel
*evsel
);
392 int perf_evsel__store_ids(struct evsel
*evsel
, struct evlist
*evlist
);
393 #endif /* __PERF_EVSEL_H */