1
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;
20struct bpf_counter_ops;
21struct target;
22struct hashmap;
23struct bperf_leader_bpf;
24struct bperf_follower_bpf;
25struct perf_pmu;
26
27typedef int (evsel__sb_cb_t)(union perf_event *event, void *data);
28
29enum perf_tool_event {
30 PERF_TOOL_NONE = 0,
31 PERF_TOOL_DURATION_TIME = 1,
32};
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49struct evsel {
50 struct perf_evsel core;
51 struct evlist *evlist;
52 off_t id_offset;
53 int id_pos;
54 int is_pos;
55 unsigned int sample_size;
56
57
58
59
60
61
62 struct {
63 char *name;
64 char *group_name;
65 const char *pmu_name;
66 struct tep_event *tp_format;
67 char *filter;
68 unsigned long max_events;
69 double scale;
70 const char *unit;
71 struct cgroup *cgrp;
72 const char *metric_id;
73 enum perf_tool_event tool_event;
74
75 int exclude_GH;
76 int sample_read;
77 bool snapshot;
78 bool per_pkg;
79 bool percore;
80 bool precise_max;
81 bool use_uncore_alias;
82 bool is_libpfm_event;
83 bool auto_merge_stats;
84 bool collect_stat;
85 bool weak_group;
86 bool bpf_counter;
87 bool use_config_name;
88 int bpf_fd;
89 struct bpf_object *bpf_obj;
90 struct list_head config_terms;
91 };
92
93
94
95
96
97 const char * metric_expr;
98 const char * metric_name;
99 struct evsel **metric_events;
100 struct evsel *metric_leader;
101
102 void *handler;
103 struct perf_counts *counts;
104 struct perf_counts *prev_raw_counts;
105 unsigned long nr_events_printed;
106 struct perf_stat_evsel *stats;
107 void *priv;
108 u64 db_id;
109 bool uniquified_name;
110 bool supported;
111 bool needs_swap;
112 bool disabled;
113 bool no_aux_samples;
114 bool immediate;
115 bool tracking;
116 bool ignore_missing_thread;
117 bool forced_leader;
118 bool cmdline_group_boundary;
119 bool merged_stat;
120 bool reset_group;
121 bool errored;
122 struct hashmap *per_pkg_mask;
123 int err;
124 int cpu_iter;
125 struct {
126 evsel__sb_cb_t *cb;
127 void *data;
128 } side_band;
129
130
131
132
133
134
135
136 __u64 synth_sample_type;
137
138
139
140
141
142
143 struct bpf_counter_ops *bpf_counter_ops;
144
145
146 struct list_head bpf_counter_list;
147
148
149 int bperf_leader_prog_fd;
150 int bperf_leader_link_fd;
151 union {
152 struct bperf_leader_bpf *leader_skel;
153 struct bperf_follower_bpf *follower_skel;
154 };
155 unsigned long open_flags;
156 int precise_ip_original;
157
158
159 struct perf_pmu *pmu;
160};
161
162struct perf_missing_features {
163 bool sample_id_all;
164 bool exclude_guest;
165 bool mmap2;
166 bool cloexec;
167 bool clockid;
168 bool clockid_wrong;
169 bool lbr_flags;
170 bool write_backward;
171 bool group_read;
172 bool ksymbol;
173 bool bpf;
174 bool aux_output;
175 bool branch_hw_idx;
176 bool cgroup;
177 bool data_page_size;
178 bool code_page_size;
179 bool weight_struct;
180};
181
182extern struct perf_missing_features perf_missing_features;
183
184struct perf_cpu_map;
185struct thread_map;
186struct record_opts;
187
188static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
189{
190 return perf_evsel__cpus(&evsel->core);
191}
192
193static inline int evsel__nr_cpus(struct evsel *evsel)
194{
195 return evsel__cpus(evsel)->nr;
196}
197
198void perf_counts_values__scale(struct perf_counts_values *count,
199 bool scale, s8 *pscaled);
200
201void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
202 struct perf_counts_values *count);
203
204int evsel__object_config(size_t object_size,
205 int (*init)(struct evsel *evsel),
206 void (*fini)(struct evsel *evsel));
207
208struct perf_pmu *evsel__find_pmu(struct evsel *evsel);
209bool evsel__is_aux_event(struct evsel *evsel);
210
211struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx);
212
213static inline struct evsel *evsel__new(struct perf_event_attr *attr)
214{
215 return evsel__new_idx(attr, 0);
216}
217
218struct evsel *evsel__clone(struct evsel *orig);
219struct evsel *evsel__newtp_idx(const char *sys, const char *name, int idx);
220
221int copy_config_terms(struct list_head *dst, struct list_head *src);
222void free_config_terms(struct list_head *config_terms);
223
224
225
226
227static inline struct evsel *evsel__newtp(const char *sys, const char *name)
228{
229 return evsel__newtp_idx(sys, name, 0);
230}
231
232struct evsel *evsel__new_cycles(bool precise, __u32 type, __u64 config);
233
234struct tep_event *event_format__new(const char *sys, const char *name);
235
236void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
237void evsel__exit(struct evsel *evsel);
238void evsel__delete(struct evsel *evsel);
239
240struct callchain_param;
241
242void evsel__config(struct evsel *evsel, struct record_opts *opts,
243 struct callchain_param *callchain);
244void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
245 struct callchain_param *callchain);
246
247int __evsel__sample_size(u64 sample_type);
248void evsel__calc_id_pos(struct evsel *evsel);
249
250bool evsel__is_cache_op_valid(u8 type, u8 op);
251
252static inline bool evsel__is_bpf(struct evsel *evsel)
253{
254 return evsel->bpf_counter_ops != NULL;
255}
256
257#define EVSEL__MAX_ALIASES 8
258
259extern const char *evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES];
260extern const char *evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES];
261extern const char *evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES];
262extern const char *evsel__hw_names[PERF_COUNT_HW_MAX];
263extern const char *evsel__sw_names[PERF_COUNT_SW_MAX];
264extern char *evsel__bpf_counter_events;
265bool evsel__match_bpf_counter_events(const char *name);
266
267int __evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size);
268const char *evsel__name(struct evsel *evsel);
269const char *evsel__metric_id(const struct evsel *evsel);
270
271const char *evsel__group_name(struct evsel *evsel);
272int evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
273
274void __evsel__set_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
275void __evsel__reset_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
276
277#define evsel__set_sample_bit(evsel, bit) \
278 __evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
279
280#define evsel__reset_sample_bit(evsel, bit) \
281 __evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
282
283void evsel__set_sample_id(struct evsel *evsel, bool use_sample_identifier);
284
285void arch_evsel__set_sample_weight(struct evsel *evsel);
286void arch_evsel__fixup_new_cycles(struct perf_event_attr *attr);
287
288int evsel__set_filter(struct evsel *evsel, const char *filter);
289int evsel__append_tp_filter(struct evsel *evsel, const char *filter);
290int evsel__append_addr_filter(struct evsel *evsel, const char *filter);
291int evsel__enable_cpu(struct evsel *evsel, int cpu);
292int evsel__enable(struct evsel *evsel);
293int evsel__disable(struct evsel *evsel);
294int evsel__disable_cpu(struct evsel *evsel, int cpu);
295
296int evsel__open_per_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, int cpu);
297int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads);
298int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
299 struct perf_thread_map *threads);
300void evsel__close(struct evsel *evsel);
301int evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus,
302 struct perf_thread_map *threads);
303bool evsel__detect_missing_features(struct evsel *evsel);
304
305enum rlimit_action { NO_CHANGE, SET_TO_MAX, INCREASED_MAX };
306bool evsel__increase_rlimit(enum rlimit_action *set_rlimit);
307
308bool evsel__ignore_missing_thread(struct evsel *evsel,
309 int nr_cpus, int cpu,
310 struct perf_thread_map *threads,
311 int thread, int err);
312bool evsel__precise_ip_fallback(struct evsel *evsel);
313
314struct perf_sample;
315
316void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name);
317u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name);
318
319static inline char *evsel__strval(struct evsel *evsel, struct perf_sample *sample, const char *name)
320{
321 return evsel__rawptr(evsel, sample, name);
322}
323
324struct tep_format_field;
325
326u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
327
328struct tep_format_field *evsel__field(struct evsel *evsel, const char *name);
329
330#define evsel__match(evsel, t, c) \
331 (evsel->core.attr.type == PERF_TYPE_##t && \
332 evsel->core.attr.config == PERF_COUNT_##c)
333
334static inline bool evsel__match2(struct evsel *e1, struct evsel *e2)
335{
336 return (e1->core.attr.type == e2->core.attr.type) &&
337 (e1->core.attr.config == e2->core.attr.config);
338}
339
340int evsel__read_counter(struct evsel *evsel, int cpu, int thread);
341
342int __evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread, bool scale);
343
344
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346
347
348
349
350
351static inline int evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread)
352{
353 return __evsel__read_on_cpu(evsel, cpu, thread, false);
354}
355
356
357
358
359
360
361
362
363static inline int evsel__read_on_cpu_scaled(struct evsel *evsel, int cpu, int thread)
364{
365 return __evsel__read_on_cpu(evsel, cpu, thread, true);
366}
367
368int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
369 struct perf_sample *sample);
370
371int evsel__parse_sample_timestamp(struct evsel *evsel, union perf_event *event,
372 u64 *timestamp);
373
374static inline struct evsel *evsel__next(struct evsel *evsel)
375{
376 return list_entry(evsel->core.node.next, struct evsel, core.node);
377}
378
379static inline struct evsel *evsel__prev(struct evsel *evsel)
380{
381 return list_entry(evsel->core.node.prev, struct evsel, core.node);
382}
383
384
385
386
387
388
389
390
391static inline bool evsel__is_group_leader(const struct evsel *evsel)
392{
393 return evsel->core.leader == &evsel->core;
394}
395
396
397
398
399
400
401
402
403
404static inline bool evsel__is_group_event(struct evsel *evsel)
405{
406 if (!symbol_conf.event_group)
407 return false;
408
409 return evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
410}
411
412bool evsel__is_function_event(struct evsel *evsel);
413
414static inline bool evsel__is_bpf_output(struct evsel *evsel)
415{
416 return evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
417}
418
419static inline bool evsel__is_clock(struct evsel *evsel)
420{
421 return evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
422 evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
423}
424
425bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize);
426int evsel__open_strerror(struct evsel *evsel, struct target *target,
427 int err, char *msg, size_t size);
428
429static inline int evsel__group_idx(struct evsel *evsel)
430{
431 return evsel->core.idx - evsel->core.leader->idx;
432}
433
434
435#define for_each_group_member(_evsel, _leader) \
436for ((_evsel) = list_entry((_leader)->core.node.next, struct evsel, core.node); \
437 (_evsel) && (_evsel)->core.leader == (&_leader->core); \
438 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
439
440
441#define for_each_group_evsel(_evsel, _leader) \
442for ((_evsel) = _leader; \
443 (_evsel) && (_evsel)->core.leader == (&_leader->core); \
444 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
445
446static inline bool evsel__has_branch_callstack(const struct evsel *evsel)
447{
448 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
449}
450
451static inline bool evsel__has_branch_hw_idx(const struct evsel *evsel)
452{
453 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX;
454}
455
456static inline bool evsel__has_callchain(const struct evsel *evsel)
457{
458
459
460
461
462 return evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN ||
463 evsel->synth_sample_type & PERF_SAMPLE_CALLCHAIN;
464}
465
466static inline bool evsel__has_br_stack(const struct evsel *evsel)
467{
468
469
470
471
472 return evsel->core.attr.sample_type & PERF_SAMPLE_BRANCH_STACK ||
473 evsel->synth_sample_type & PERF_SAMPLE_BRANCH_STACK;
474}
475
476static inline bool evsel__is_dummy_event(struct evsel *evsel)
477{
478 return (evsel->core.attr.type == PERF_TYPE_SOFTWARE) &&
479 (evsel->core.attr.config == PERF_COUNT_SW_DUMMY);
480}
481
482struct perf_env *evsel__env(struct evsel *evsel);
483
484int evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
485
486void evsel__zero_per_pkg(struct evsel *evsel);
487bool evsel__is_hybrid(struct evsel *evsel);
488struct evsel *evsel__leader(struct evsel *evsel);
489bool evsel__has_leader(struct evsel *evsel, struct evsel *leader);
490bool evsel__is_leader(struct evsel *evsel);
491void evsel__set_leader(struct evsel *evsel, struct evsel *leader);
492int evsel__source_count(const struct evsel *evsel);
493
494
495
496
497
498
499
500
501
502#define bitfield_swap(src, pos, size) \
503 ((((src) >> (pos)) & ((1ull << (size)) - 1)) << (63 - ((pos) + (size) - 1)))
504
505u64 evsel__bitfield_swap_branch_flags(u64 value);
506#endif
507