1#ifndef __PERF_EVSEL_H
2#define __PERF_EVSEL_H 1
3
4#include <linux/list.h>
5#include <stdbool.h>
6#include <stddef.h>
7#include <linux/perf_event.h>
8#include <linux/types.h>
9#include "xyarray.h"
10#include "symbol.h"
11#include "cpumap.h"
12#include "counts.h"
13
14struct perf_evsel;
15
16
17
18
19
20struct perf_sample_id {
21 struct hlist_node node;
22 u64 id;
23 struct perf_evsel *evsel;
24 int idx;
25 int cpu;
26 pid_t tid;
27
28
29 u64 period;
30};
31
32struct cgroup_sel;
33
34
35
36
37
38
39
40enum {
41 PERF_EVSEL__CONFIG_TERM_PERIOD,
42 PERF_EVSEL__CONFIG_TERM_FREQ,
43 PERF_EVSEL__CONFIG_TERM_TIME,
44 PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
45 PERF_EVSEL__CONFIG_TERM_STACK_USER,
46 PERF_EVSEL__CONFIG_TERM_INHERIT,
47 PERF_EVSEL__CONFIG_TERM_MAX,
48};
49
50struct perf_evsel_config_term {
51 struct list_head list;
52 int type;
53 union {
54 u64 period;
55 u64 freq;
56 bool time;
57 char *callgraph;
58 u64 stack_user;
59 bool inherit;
60 } val;
61};
62
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78
79struct perf_evsel {
80 struct list_head node;
81 struct perf_evlist *evlist;
82 struct perf_event_attr attr;
83 char *filter;
84 struct xyarray *fd;
85 struct xyarray *sample_id;
86 u64 *id;
87 struct perf_counts *counts;
88 struct perf_counts *prev_raw_counts;
89 int idx;
90 u32 ids;
91 char *name;
92 double scale;
93 const char *unit;
94 struct event_format *tp_format;
95 off_t id_offset;
96 void *priv;
97 u64 db_id;
98 struct cgroup_sel *cgrp;
99 void *handler;
100 struct cpu_map *cpus;
101 struct cpu_map *own_cpus;
102 struct thread_map *threads;
103 unsigned int sample_size;
104 int id_pos;
105 int is_pos;
106 bool snapshot;
107 bool supported;
108 bool needs_swap;
109 bool no_aux_samples;
110 bool immediate;
111 bool system_wide;
112 bool tracking;
113 bool per_pkg;
114 bool precise_max;
115 bool overwrite;
116
117 int exclude_GH;
118 int nr_members;
119 int sample_read;
120 unsigned long *per_pkg_mask;
121 struct perf_evsel *leader;
122 char *group_name;
123 bool cmdline_group_boundary;
124 struct list_head config_terms;
125 int bpf_fd;
126};
127
128union u64_swap {
129 u64 val64;
130 u32 val32[2];
131};
132
133struct cpu_map;
134struct target;
135struct thread_map;
136struct record_opts;
137
138static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
139{
140 return evsel->cpus;
141}
142
143static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
144{
145 return perf_evsel__cpus(evsel)->nr;
146}
147
148void perf_counts_values__scale(struct perf_counts_values *count,
149 bool scale, s8 *pscaled);
150
151void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
152 struct perf_counts_values *count);
153
154int perf_evsel__object_config(size_t object_size,
155 int (*init)(struct perf_evsel *evsel),
156 void (*fini)(struct perf_evsel *evsel));
157
158struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
159
160static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
161{
162 return perf_evsel__new_idx(attr, 0);
163}
164
165struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
166
167
168
169
170static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
171{
172 return perf_evsel__newtp_idx(sys, name, 0);
173}
174
175struct event_format *event_format__new(const char *sys, const char *name);
176
177void perf_evsel__init(struct perf_evsel *evsel,
178 struct perf_event_attr *attr, int idx);
179void perf_evsel__exit(struct perf_evsel *evsel);
180void perf_evsel__delete(struct perf_evsel *evsel);
181
182struct callchain_param;
183
184void perf_evsel__config(struct perf_evsel *evsel,
185 struct record_opts *opts,
186 struct callchain_param *callchain);
187void perf_evsel__config_callchain(struct perf_evsel *evsel,
188 struct record_opts *opts,
189 struct callchain_param *callchain);
190
191int __perf_evsel__sample_size(u64 sample_type);
192void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
193
194bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
195
196#define PERF_EVSEL__MAX_ALIASES 8
197
198extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
199 [PERF_EVSEL__MAX_ALIASES];
200extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
201 [PERF_EVSEL__MAX_ALIASES];
202extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
203 [PERF_EVSEL__MAX_ALIASES];
204extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
205extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
206int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
207 char *bf, size_t size);
208const char *perf_evsel__name(struct perf_evsel *evsel);
209
210const char *perf_evsel__group_name(struct perf_evsel *evsel);
211int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
212
213int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
214void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
215
216void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
217 enum perf_event_sample_format bit);
218void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
219 enum perf_event_sample_format bit);
220
221#define perf_evsel__set_sample_bit(evsel, bit) \
222 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
223
224#define perf_evsel__reset_sample_bit(evsel, bit) \
225 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
226
227void perf_evsel__set_sample_id(struct perf_evsel *evsel,
228 bool use_sample_identifier);
229
230int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
231int perf_evsel__append_filter(struct perf_evsel *evsel,
232 const char *op, const char *filter);
233int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
234 const char *filter);
235int perf_evsel__enable(struct perf_evsel *evsel);
236int perf_evsel__disable(struct perf_evsel *evsel);
237
238int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
239 struct cpu_map *cpus);
240int perf_evsel__open_per_thread(struct perf_evsel *evsel,
241 struct thread_map *threads);
242int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
243 struct thread_map *threads);
244void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
245
246struct perf_sample;
247
248void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
249 const char *name);
250u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
251 const char *name);
252
253static inline char *perf_evsel__strval(struct perf_evsel *evsel,
254 struct perf_sample *sample,
255 const char *name)
256{
257 return perf_evsel__rawptr(evsel, sample, name);
258}
259
260struct format_field;
261
262struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
263
264#define perf_evsel__match(evsel, t, c) \
265 (evsel->attr.type == PERF_TYPE_##t && \
266 evsel->attr.config == PERF_COUNT_##c)
267
268static inline bool perf_evsel__match2(struct perf_evsel *e1,
269 struct perf_evsel *e2)
270{
271 return (e1->attr.type == e2->attr.type) &&
272 (e1->attr.config == e2->attr.config);
273}
274
275#define perf_evsel__cmp(a, b) \
276 ((a) && \
277 (b) && \
278 (a)->attr.type == (b)->attr.type && \
279 (a)->attr.config == (b)->attr.config)
280
281int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
282 struct perf_counts_values *count);
283
284int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
285 int cpu, int thread, bool scale);
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293
294static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
295 int cpu, int thread)
296{
297 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
298}
299
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306
307static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
308 int cpu, int thread)
309{
310 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
311}
312
313int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
314 struct perf_sample *sample);
315
316static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
317{
318 return list_entry(evsel->node.next, struct perf_evsel, node);
319}
320
321static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
322{
323 return list_entry(evsel->node.prev, struct perf_evsel, node);
324}
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332
333static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
334{
335 return evsel->leader == evsel;
336}
337
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344
345
346static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
347{
348 if (!symbol_conf.event_group)
349 return false;
350
351 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
352}
353
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360
361
362static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel)
363{
364#define FUNCTION_EVENT "ftrace:function"
365
366 return evsel->name &&
367 !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT));
368
369#undef FUNCTION_EVENT
370}
371
372static inline bool perf_evsel__is_bpf_output(struct perf_evsel *evsel)
373{
374 struct perf_event_attr *attr = &evsel->attr;
375
376 return (attr->config == PERF_COUNT_SW_BPF_OUTPUT) &&
377 (attr->type == PERF_TYPE_SOFTWARE);
378}
379
380struct perf_attr_details {
381 bool freq;
382 bool verbose;
383 bool event_group;
384 bool force;
385 bool trace_fields;
386};
387
388int perf_evsel__fprintf(struct perf_evsel *evsel,
389 struct perf_attr_details *details, FILE *fp);
390
391#define EVSEL__PRINT_IP (1<<0)
392#define EVSEL__PRINT_SYM (1<<1)
393#define EVSEL__PRINT_DSO (1<<2)
394#define EVSEL__PRINT_SYMOFFSET (1<<3)
395#define EVSEL__PRINT_ONELINE (1<<4)
396#define EVSEL__PRINT_SRCLINE (1<<5)
397#define EVSEL__PRINT_UNKNOWN_AS_ADDR (1<<6)
398
399struct callchain_cursor;
400
401int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
402 unsigned int print_opts,
403 struct callchain_cursor *cursor, FILE *fp);
404
405int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
406 int left_alignment, unsigned int print_opts,
407 struct callchain_cursor *cursor, FILE *fp);
408
409bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
410 char *msg, size_t msgsize);
411int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
412 int err, char *msg, size_t size);
413
414static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
415{
416 return evsel->idx - evsel->leader->idx;
417}
418
419#define for_each_group_member(_evsel, _leader) \
420for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
421 (_evsel) && (_evsel)->leader == (_leader); \
422 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
423
424static inline bool perf_evsel__has_branch_callstack(const struct perf_evsel *evsel)
425{
426 return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
427}
428
429typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
430
431int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
432 attr__fprintf_f attr__fprintf, void *priv);
433
434#endif
435