1
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
19
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
30 u64 period;
31};
32
33struct cgroup;
34
35
36
37
38
39
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_MAX_EVENTS,
50 PERF_EVSEL__CONFIG_TERM_OVERWRITE,
51 PERF_EVSEL__CONFIG_TERM_DRV_CFG,
52 PERF_EVSEL__CONFIG_TERM_BRANCH,
53};
54
55struct perf_evsel_config_term {
56 struct list_head list;
57 enum term_type type;
58 union {
59 u64 period;
60 u64 freq;
61 bool time;
62 char *callgraph;
63 char *drv_cfg;
64 u64 stack_user;
65 int max_stack;
66 bool inherit;
67 bool overwrite;
68 char *branch;
69 unsigned long max_events;
70 } val;
71 bool weak;
72};
73
74struct perf_stat_evsel;
75
76
77
78
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87
88
89
90
91
92struct perf_evsel {
93 struct list_head node;
94 struct perf_evlist *evlist;
95 struct perf_event_attr attr;
96 char *filter;
97 struct xyarray *fd;
98 struct xyarray *sample_id;
99 u64 *id;
100 struct perf_counts *counts;
101 struct perf_counts *prev_raw_counts;
102 int idx;
103 u32 ids;
104 unsigned long max_events;
105 unsigned long nr_events_printed;
106 char *name;
107 double scale;
108 const char *unit;
109 struct tep_event_format *tp_format;
110 off_t id_offset;
111 struct perf_stat_evsel *stats;
112 void *priv;
113 u64 db_id;
114 struct cgroup *cgrp;
115 void *handler;
116 struct cpu_map *cpus;
117 struct cpu_map *own_cpus;
118 struct thread_map *threads;
119 unsigned int sample_size;
120 int id_pos;
121 int is_pos;
122 bool uniquified_name;
123 bool snapshot;
124 bool supported;
125 bool needs_swap;
126 bool disabled;
127 bool no_aux_samples;
128 bool immediate;
129 bool system_wide;
130 bool tracking;
131 bool per_pkg;
132 bool precise_max;
133 bool ignore_missing_thread;
134 bool forced_leader;
135 bool use_uncore_alias;
136
137 int exclude_GH;
138 int nr_members;
139 int sample_read;
140 unsigned long *per_pkg_mask;
141 struct perf_evsel *leader;
142 char *group_name;
143 bool cmdline_group_boundary;
144 struct list_head config_terms;
145 int bpf_fd;
146 bool auto_merge_stats;
147 bool merged_stat;
148 const char * metric_expr;
149 const char * metric_name;
150 struct perf_evsel **metric_events;
151 bool collect_stat;
152 bool weak_group;
153 const char *pmu_name;
154};
155
156union u64_swap {
157 u64 val64;
158 u32 val32[2];
159};
160
161struct perf_missing_features {
162 bool sample_id_all;
163 bool exclude_guest;
164 bool mmap2;
165 bool cloexec;
166 bool clockid;
167 bool clockid_wrong;
168 bool lbr_flags;
169 bool write_backward;
170 bool group_read;
171};
172
173extern struct perf_missing_features perf_missing_features;
174
175struct cpu_map;
176struct target;
177struct thread_map;
178struct record_opts;
179
180static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
181{
182 return evsel->cpus;
183}
184
185static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
186{
187 return perf_evsel__cpus(evsel)->nr;
188}
189
190void perf_counts_values__scale(struct perf_counts_values *count,
191 bool scale, s8 *pscaled);
192
193void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
194 struct perf_counts_values *count);
195
196int perf_evsel__object_config(size_t object_size,
197 int (*init)(struct perf_evsel *evsel),
198 void (*fini)(struct perf_evsel *evsel));
199
200struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
201
202static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
203{
204 return perf_evsel__new_idx(attr, 0);
205}
206
207struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
208
209
210
211
212static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
213{
214 return perf_evsel__newtp_idx(sys, name, 0);
215}
216
217struct perf_evsel *perf_evsel__new_cycles(bool precise);
218
219struct tep_event_format *event_format__new(const char *sys, const char *name);
220
221void perf_evsel__init(struct perf_evsel *evsel,
222 struct perf_event_attr *attr, int idx);
223void perf_evsel__exit(struct perf_evsel *evsel);
224void perf_evsel__delete(struct perf_evsel *evsel);
225
226struct callchain_param;
227
228void perf_evsel__config(struct perf_evsel *evsel,
229 struct record_opts *opts,
230 struct callchain_param *callchain);
231void perf_evsel__config_callchain(struct perf_evsel *evsel,
232 struct record_opts *opts,
233 struct callchain_param *callchain);
234
235int __perf_evsel__sample_size(u64 sample_type);
236void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
237
238bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
239
240#define PERF_EVSEL__MAX_ALIASES 8
241
242extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
243 [PERF_EVSEL__MAX_ALIASES];
244extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
245 [PERF_EVSEL__MAX_ALIASES];
246extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
247 [PERF_EVSEL__MAX_ALIASES];
248extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
249extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
250int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
251 char *bf, size_t size);
252const char *perf_evsel__name(struct perf_evsel *evsel);
253
254const char *perf_evsel__group_name(struct perf_evsel *evsel);
255int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
256
257int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
258void perf_evsel__close_fd(struct perf_evsel *evsel);
259
260void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
261 enum perf_event_sample_format bit);
262void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
263 enum perf_event_sample_format bit);
264
265#define perf_evsel__set_sample_bit(evsel, bit) \
266 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
267
268#define perf_evsel__reset_sample_bit(evsel, bit) \
269 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
270
271void perf_evsel__set_sample_id(struct perf_evsel *evsel,
272 bool use_sample_identifier);
273
274int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
275int perf_evsel__append_tp_filter(struct perf_evsel *evsel, const char *filter);
276int perf_evsel__append_addr_filter(struct perf_evsel *evsel,
277 const char *filter);
278int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter);
279int perf_evsel__enable(struct perf_evsel *evsel);
280int perf_evsel__disable(struct perf_evsel *evsel);
281
282int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
283 struct cpu_map *cpus);
284int perf_evsel__open_per_thread(struct perf_evsel *evsel,
285 struct thread_map *threads);
286int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
287 struct thread_map *threads);
288void perf_evsel__close(struct perf_evsel *evsel);
289
290struct perf_sample;
291
292void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
293 const char *name);
294u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
295 const char *name);
296
297static inline char *perf_evsel__strval(struct perf_evsel *evsel,
298 struct perf_sample *sample,
299 const char *name)
300{
301 return perf_evsel__rawptr(evsel, sample, name);
302}
303
304struct tep_format_field;
305
306u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
307
308struct tep_format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
309
310#define perf_evsel__match(evsel, t, c) \
311 (evsel->attr.type == PERF_TYPE_##t && \
312 evsel->attr.config == PERF_COUNT_##c)
313
314static inline bool perf_evsel__match2(struct perf_evsel *e1,
315 struct perf_evsel *e2)
316{
317 return (e1->attr.type == e2->attr.type) &&
318 (e1->attr.config == e2->attr.config);
319}
320
321#define perf_evsel__cmp(a, b) \
322 ((a) && \
323 (b) && \
324 (a)->attr.type == (b)->attr.type && \
325 (a)->attr.config == (b)->attr.config)
326
327int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
328 struct perf_counts_values *count);
329
330int perf_evsel__read_counter(struct perf_evsel *evsel, int cpu, int thread);
331
332int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
333 int cpu, int thread, bool scale);
334
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338
339
340
341
342static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
343 int cpu, int thread)
344{
345 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
346}
347
348
349
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352
353
354
355static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
356 int cpu, int thread)
357{
358 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
359}
360
361int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
362 struct perf_sample *sample);
363
364int perf_evsel__parse_sample_timestamp(struct perf_evsel *evsel,
365 union perf_event *event,
366 u64 *timestamp);
367
368static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
369{
370 return list_entry(evsel->node.next, struct perf_evsel, node);
371}
372
373static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
374{
375 return list_entry(evsel->node.prev, struct perf_evsel, node);
376}
377
378
379
380
381
382
383
384
385static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
386{
387 return evsel->leader == evsel;
388}
389
390
391
392
393
394
395
396
397
398static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
399{
400 if (!symbol_conf.event_group)
401 return false;
402
403 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
404}
405
406bool perf_evsel__is_function_event(struct perf_evsel *evsel);
407
408static inline bool perf_evsel__is_bpf_output(struct perf_evsel *evsel)
409{
410 return perf_evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
411}
412
413static inline bool perf_evsel__is_clock(struct perf_evsel *evsel)
414{
415 return perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
416 perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
417}
418
419struct perf_attr_details {
420 bool freq;
421 bool verbose;
422 bool event_group;
423 bool force;
424 bool trace_fields;
425};
426
427int perf_evsel__fprintf(struct perf_evsel *evsel,
428 struct perf_attr_details *details, FILE *fp);
429
430#define EVSEL__PRINT_IP (1<<0)
431#define EVSEL__PRINT_SYM (1<<1)
432#define EVSEL__PRINT_DSO (1<<2)
433#define EVSEL__PRINT_SYMOFFSET (1<<3)
434#define EVSEL__PRINT_ONELINE (1<<4)
435#define EVSEL__PRINT_SRCLINE (1<<5)
436#define EVSEL__PRINT_UNKNOWN_AS_ADDR (1<<6)
437#define EVSEL__PRINT_CALLCHAIN_ARROW (1<<7)
438#define EVSEL__PRINT_SKIP_IGNORED (1<<8)
439
440struct callchain_cursor;
441
442int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
443 unsigned int print_opts,
444 struct callchain_cursor *cursor, FILE *fp);
445
446int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
447 int left_alignment, unsigned int print_opts,
448 struct callchain_cursor *cursor, FILE *fp);
449
450bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
451 char *msg, size_t msgsize);
452int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
453 int err, char *msg, size_t size);
454
455static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
456{
457 return evsel->idx - evsel->leader->idx;
458}
459
460
461#define for_each_group_member(_evsel, _leader) \
462for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
463 (_evsel) && (_evsel)->leader == (_leader); \
464 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
465
466
467#define for_each_group_evsel(_evsel, _leader) \
468for ((_evsel) = _leader; \
469 (_evsel) && (_evsel)->leader == (_leader); \
470 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
471
472static inline bool perf_evsel__has_branch_callstack(const struct perf_evsel *evsel)
473{
474 return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
475}
476
477static inline bool evsel__has_callchain(const struct perf_evsel *evsel)
478{
479 return (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) != 0;
480}
481
482typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
483
484int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
485 attr__fprintf_f attr__fprintf, void *priv);
486
487struct perf_env *perf_evsel__env(struct perf_evsel *evsel);
488
489int perf_evsel__store_ids(struct perf_evsel *evsel, struct perf_evlist *evlist);
490#endif
491
