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1/* SPDX-License-Identifier: GPL-2.0 */
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;
20
21typedef int (perf_evsel__sb_cb_t)(union perf_event *event, void *data);
22
23enum perf_tool_event {
24 PERF_TOOL_NONE = 0,
25 PERF_TOOL_DURATION_TIME = 1,
26};
27
28/** struct evsel - event selector
29 *
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
42 */
43struct evsel {
44 struct perf_evsel core;
45 struct evlist *evlist;
46 char *filter;
47 struct perf_counts *counts;
48 struct perf_counts *prev_raw_counts;
49 int idx;
50 unsigned long max_events;
51 unsigned long nr_events_printed;
52 char *name;
53 double scale;
54 const char *unit;
55 struct tep_event *tp_format;
56 off_t id_offset;
57 struct perf_stat_evsel *stats;
58 void *priv;
59 u64 db_id;
60 struct cgroup *cgrp;
61 void *handler;
62 unsigned int sample_size;
63 int id_pos;
64 int is_pos;
65 enum perf_tool_event tool_event;
66 bool uniquified_name;
67 bool snapshot;
68 bool supported;
69 bool needs_swap;
70 bool disabled;
71 bool no_aux_samples;
72 bool immediate;
73 bool tracking;
74 bool per_pkg;
75 bool precise_max;
76 bool ignore_missing_thread;
77 bool forced_leader;
78 bool use_uncore_alias;
79 /* parse modifier helper */
80 int exclude_GH;
81 int sample_read;
82 unsigned long *per_pkg_mask;
83 struct evsel *leader;
84 char *group_name;
85 bool cmdline_group_boundary;
86 struct list_head config_terms;
87 struct bpf_object *bpf_obj;
88 int bpf_fd;
89 bool auto_merge_stats;
90 bool merged_stat;
91 const char * metric_expr;
92 const char * metric_name;
93 struct evsel **metric_events;
94 struct evsel *metric_leader;
95 bool collect_stat;
96 bool weak_group;
97 bool percore;
98 const char *pmu_name;
99 struct {
100 perf_evsel__sb_cb_t *cb;
101 void *data;
102 } side_band;
103};
104
105struct perf_missing_features {
106 bool sample_id_all;
107 bool exclude_guest;
108 bool mmap2;
109 bool cloexec;
110 bool clockid;
111 bool clockid_wrong;
112 bool lbr_flags;
113 bool write_backward;
114 bool group_read;
115 bool ksymbol;
116 bool bpf;
117 bool aux_output;
118};
119
120extern struct perf_missing_features perf_missing_features;
121
122struct perf_cpu_map;
123struct target;
124struct thread_map;
125struct record_opts;
126
127static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
128{
129 return perf_evsel__cpus(&evsel->core);
130}
131
132static inline int perf_evsel__nr_cpus(struct evsel *evsel)
133{
134 return evsel__cpus(evsel)->nr;
135}
136
137void perf_counts_values__scale(struct perf_counts_values *count,
138 bool scale, s8 *pscaled);
139
140void perf_evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
141 struct perf_counts_values *count);
142
143int perf_evsel__object_config(size_t object_size,
144 int (*init)(struct evsel *evsel),
145 void (*fini)(struct evsel *evsel));
146
147struct evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
148
149static inline struct evsel *evsel__new(struct perf_event_attr *attr)
150{
151 return perf_evsel__new_idx(attr, 0);
152}
153
154struct evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
155
156/*
157 * Returns pointer with encoded error via <linux/err.h> interface.
158 */
159static inline struct evsel *perf_evsel__newtp(const char *sys, const char *name)
160{
161 return perf_evsel__newtp_idx(sys, name, 0);
162}
163
164struct evsel *perf_evsel__new_cycles(bool precise);
165
166struct tep_event *event_format__new(const char *sys, const char *name);
167
168void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
169void perf_evsel__exit(struct evsel *evsel);
170void evsel__delete(struct evsel *evsel);
171
172struct callchain_param;
173
174void perf_evsel__config(struct evsel *evsel,
175 struct record_opts *opts,
176 struct callchain_param *callchain);
177void perf_evsel__config_callchain(struct evsel *evsel,
178 struct record_opts *opts,
179 struct callchain_param *callchain);
180
181int __perf_evsel__sample_size(u64 sample_type);
182void perf_evsel__calc_id_pos(struct evsel *evsel);
183
184bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
185
186#define PERF_EVSEL__MAX_ALIASES 8
187
188extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
189 [PERF_EVSEL__MAX_ALIASES];
190extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
191 [PERF_EVSEL__MAX_ALIASES];
192extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
193 [PERF_EVSEL__MAX_ALIASES];
194extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
195extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
196int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
197 char *bf, size_t size);
198const char *perf_evsel__name(struct evsel *evsel);
199
200const char *perf_evsel__group_name(struct evsel *evsel);
201int perf_evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
202
203void __perf_evsel__set_sample_bit(struct evsel *evsel,
204 enum perf_event_sample_format bit);
205void __perf_evsel__reset_sample_bit(struct evsel *evsel,
206 enum perf_event_sample_format bit);
207
208#define perf_evsel__set_sample_bit(evsel, bit) \
209 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
210
211#define perf_evsel__reset_sample_bit(evsel, bit) \
212 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
213
214void perf_evsel__set_sample_id(struct evsel *evsel,
215 bool use_sample_identifier);
216
217int perf_evsel__set_filter(struct evsel *evsel, const char *filter);
218int perf_evsel__append_tp_filter(struct evsel *evsel, const char *filter);
219int perf_evsel__append_addr_filter(struct evsel *evsel,
220 const char *filter);
221int evsel__enable(struct evsel *evsel);
222int evsel__disable(struct evsel *evsel);
223
224int perf_evsel__open_per_cpu(struct evsel *evsel,
225 struct perf_cpu_map *cpus);
226int perf_evsel__open_per_thread(struct evsel *evsel,
227 struct perf_thread_map *threads);
228int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
229 struct perf_thread_map *threads);
230void evsel__close(struct evsel *evsel);
231
232struct perf_sample;
233
234void *perf_evsel__rawptr(struct evsel *evsel, struct perf_sample *sample,
235 const char *name);
236u64 perf_evsel__intval(struct evsel *evsel, struct perf_sample *sample,
237 const char *name);
238
239static inline char *perf_evsel__strval(struct evsel *evsel,
240 struct perf_sample *sample,
241 const char *name)
242{
243 return perf_evsel__rawptr(evsel, sample, name);
244}
245
246struct tep_format_field;
247
248u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
249
250struct tep_format_field *perf_evsel__field(struct evsel *evsel, const char *name);
251
252#define perf_evsel__match(evsel, t, c) \
253 (evsel->core.attr.type == PERF_TYPE_##t && \
254 evsel->core.attr.config == PERF_COUNT_##c)
255
256static inline bool perf_evsel__match2(struct evsel *e1,
257 struct evsel *e2)
258{
259 return (e1->core.attr.type == e2->core.attr.type) &&
260 (e1->core.attr.config == e2->core.attr.config);
261}
262
263#define perf_evsel__cmp(a, b) \
264 ((a) && \
265 (b) && \
266 (a)->core.attr.type == (b)->core.attr.type && \
267 (a)->core.attr.config == (b)->core.attr.config)
268
269int perf_evsel__read_counter(struct evsel *evsel, int cpu, int thread);
270
271int __perf_evsel__read_on_cpu(struct evsel *evsel,
272 int cpu, int thread, bool scale);
273
274/**
275 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
276 *
277 * @evsel - event selector to read value
278 * @cpu - CPU of interest
279 * @thread - thread of interest
280 */
281static inline int perf_evsel__read_on_cpu(struct evsel *evsel,
282 int cpu, int thread)
283{
284 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
285}
286
287/**
288 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
289 *
290 * @evsel - event selector to read value
291 * @cpu - CPU of interest
292 * @thread - thread of interest
293 */
294static inline int perf_evsel__read_on_cpu_scaled(struct evsel *evsel,
295 int cpu, int thread)
296{
297 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
298}
299
300int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
301 struct perf_sample *sample);
302
303int perf_evsel__parse_sample_timestamp(struct evsel *evsel,
304 union perf_event *event,
305 u64 *timestamp);
306
307static inline struct evsel *perf_evsel__next(struct evsel *evsel)
308{
309 return list_entry(evsel->core.node.next, struct evsel, core.node);
310}
311
312static inline struct evsel *perf_evsel__prev(struct evsel *evsel)
313{
314 return list_entry(evsel->core.node.prev, struct evsel, core.node);
315}
316
317/**
318 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
319 *
320 * @evsel - evsel selector to be tested
321 *
322 * Return %true if @evsel is a group leader or a stand-alone event
323 */
324static inline bool perf_evsel__is_group_leader(const struct evsel *evsel)
325{
326 return evsel->leader == evsel;
327}
328
329/**
330 * perf_evsel__is_group_event - Return whether given evsel is a group event
331 *
332 * @evsel - evsel selector to be tested
333 *
334 * Return %true iff event group view is enabled and @evsel is a actual group
335 * leader which has other members in the group
336 */
337static inline bool perf_evsel__is_group_event(struct evsel *evsel)
338{
339 if (!symbol_conf.event_group)
340 return false;
341
342 return perf_evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
343}
344
345bool perf_evsel__is_function_event(struct evsel *evsel);
346
347static inline bool perf_evsel__is_bpf_output(struct evsel *evsel)
348{
349 return perf_evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
350}
351
352static inline bool perf_evsel__is_clock(struct evsel *evsel)
353{
354 return perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
355 perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
356}
357
358bool perf_evsel__fallback(struct evsel *evsel, int err,
359 char *msg, size_t msgsize);
360int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
361 int err, char *msg, size_t size);
362
363static inline int perf_evsel__group_idx(struct evsel *evsel)
364{
365 return evsel->idx - evsel->leader->idx;
366}
367
368/* Iterates group WITHOUT the leader. */
369#define for_each_group_member(_evsel, _leader) \
370for ((_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))
373
374/* Iterates group WITH the leader. */
375#define for_each_group_evsel(_evsel, _leader) \
376for ((_evsel) = _leader; \
377 (_evsel) && (_evsel)->leader == (_leader); \
378 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
379
380static inline bool perf_evsel__has_branch_callstack(const struct evsel *evsel)
381{
382 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
383}
384
385static inline bool evsel__has_callchain(const struct evsel *evsel)
386{
387 return (evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN) != 0;
388}
389
390struct perf_env *perf_evsel__env(struct evsel *evsel);
391
392int perf_evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
393#endif /* __PERF_EVSEL_H */
1/* SPDX-License-Identifier: GPL-2.0 */
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
14struct bpf_object;
15struct cgroup;
16struct perf_counts;
17struct perf_stat_evsel;
18union perf_event;
19struct bpf_counter_ops;
20struct target;
21struct hashmap;
22struct bperf_leader_bpf;
23struct bperf_follower_bpf;
24struct perf_pmu;
25
26typedef int (evsel__sb_cb_t)(union perf_event *event, void *data);
27
28enum perf_tool_event {
29 PERF_TOOL_NONE = 0,
30 PERF_TOOL_DURATION_TIME = 1,
31 PERF_TOOL_USER_TIME = 2,
32 PERF_TOOL_SYSTEM_TIME = 3,
33
34 PERF_TOOL_MAX,
35};
36
37const char *perf_tool_event__to_str(enum perf_tool_event ev);
38enum perf_tool_event perf_tool_event__from_str(const char *str);
39
40#define perf_tool_event__for_each_event(ev) \
41 for ((ev) = PERF_TOOL_DURATION_TIME; (ev) < PERF_TOOL_MAX; ev++)
42
43/** struct evsel - event selector
44 *
45 * @evlist - evlist this evsel is in, if it is in one.
46 * @core - libperf evsel object
47 * @name - Can be set to retain the original event name passed by the user,
48 * so that when showing results in tools such as 'perf stat', we
49 * show the name used, not some alias.
50 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
51 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
52 * struct perf_record_sample
53 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
54 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
55 * is used there is an id sample appended to non-sample events
56 * @priv: And what is in its containing unnamed union are tool specific
57 */
58struct evsel {
59 struct perf_evsel core;
60 struct evlist *evlist;
61 off_t id_offset;
62 int id_pos;
63 int is_pos;
64 unsigned int sample_size;
65
66 /*
67 * These fields can be set in the parse-events code or similar.
68 * Please check evsel__clone() to copy them properly so that
69 * they can be released properly.
70 */
71 struct {
72 char *name;
73 char *group_name;
74 const char *pmu_name;
75#ifdef HAVE_LIBTRACEEVENT
76 struct tep_event *tp_format;
77#endif
78 char *filter;
79 unsigned long max_events;
80 double scale;
81 const char *unit;
82 struct cgroup *cgrp;
83 const char *metric_id;
84 enum perf_tool_event tool_event;
85 /* parse modifier helper */
86 int exclude_GH;
87 int sample_read;
88 bool snapshot;
89 bool per_pkg;
90 bool percore;
91 bool precise_max;
92 bool use_uncore_alias;
93 bool is_libpfm_event;
94 bool auto_merge_stats;
95 bool collect_stat;
96 bool weak_group;
97 bool bpf_counter;
98 bool use_config_name;
99 int bpf_fd;
100 struct bpf_object *bpf_obj;
101 struct list_head config_terms;
102 };
103
104 /*
105 * metric fields are similar, but needs more care as they can have
106 * references to other metric (evsel).
107 */
108 const char * metric_expr;
109 const char * metric_name;
110 struct evsel **metric_events;
111 struct evsel *metric_leader;
112
113 void *handler;
114 struct perf_counts *counts;
115 struct perf_counts *prev_raw_counts;
116 unsigned long nr_events_printed;
117 struct perf_stat_evsel *stats;
118 void *priv;
119 u64 db_id;
120 bool uniquified_name;
121 bool supported;
122 bool needs_swap;
123 bool disabled;
124 bool no_aux_samples;
125 bool immediate;
126 bool tracking;
127 bool ignore_missing_thread;
128 bool forced_leader;
129 bool cmdline_group_boundary;
130 bool merged_stat;
131 bool reset_group;
132 bool errored;
133 bool needs_auxtrace_mmap;
134 struct hashmap *per_pkg_mask;
135 int err;
136 struct {
137 evsel__sb_cb_t *cb;
138 void *data;
139 } side_band;
140 /*
141 * For reporting purposes, an evsel sample can have a callchain
142 * synthesized from AUX area data. Keep track of synthesized sample
143 * types here. Note, the recorded sample_type cannot be changed because
144 * it is needed to continue to parse events.
145 * See also evsel__has_callchain().
146 */
147 __u64 synth_sample_type;
148
149 /*
150 * bpf_counter_ops serves two use cases:
151 * 1. perf-stat -b counting events used byBPF programs
152 * 2. perf-stat --use-bpf use BPF programs to aggregate counts
153 */
154 struct bpf_counter_ops *bpf_counter_ops;
155
156 /* for perf-stat -b */
157 struct list_head bpf_counter_list;
158
159 /* for perf-stat --use-bpf */
160 int bperf_leader_prog_fd;
161 int bperf_leader_link_fd;
162 union {
163 struct bperf_leader_bpf *leader_skel;
164 struct bperf_follower_bpf *follower_skel;
165 };
166 unsigned long open_flags;
167 int precise_ip_original;
168
169 /* for missing_features */
170 struct perf_pmu *pmu;
171};
172
173struct perf_missing_features {
174 bool sample_id_all;
175 bool exclude_guest;
176 bool mmap2;
177 bool cloexec;
178 bool clockid;
179 bool clockid_wrong;
180 bool lbr_flags;
181 bool write_backward;
182 bool group_read;
183 bool ksymbol;
184 bool bpf;
185 bool aux_output;
186 bool branch_hw_idx;
187 bool cgroup;
188 bool data_page_size;
189 bool code_page_size;
190 bool weight_struct;
191 bool read_lost;
192};
193
194extern struct perf_missing_features perf_missing_features;
195
196struct perf_cpu_map;
197struct thread_map;
198struct record_opts;
199
200static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
201{
202 return perf_evsel__cpus(&evsel->core);
203}
204
205static inline int evsel__nr_cpus(struct evsel *evsel)
206{
207 return perf_cpu_map__nr(evsel__cpus(evsel));
208}
209
210void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
211 struct perf_counts_values *count);
212
213int evsel__object_config(size_t object_size,
214 int (*init)(struct evsel *evsel),
215 void (*fini)(struct evsel *evsel));
216
217struct perf_pmu *evsel__find_pmu(struct evsel *evsel);
218bool evsel__is_aux_event(struct evsel *evsel);
219
220struct evsel *evsel__new_idx(struct perf_event_attr *attr, int idx);
221
222static inline struct evsel *evsel__new(struct perf_event_attr *attr)
223{
224 return evsel__new_idx(attr, 0);
225}
226
227struct evsel *evsel__clone(struct evsel *orig);
228
229int copy_config_terms(struct list_head *dst, struct list_head *src);
230void free_config_terms(struct list_head *config_terms);
231
232
233#ifdef HAVE_LIBTRACEEVENT
234struct evsel *evsel__newtp_idx(const char *sys, const char *name, int idx);
235
236/*
237 * Returns pointer with encoded error via <linux/err.h> interface.
238 */
239static inline struct evsel *evsel__newtp(const char *sys, const char *name)
240{
241 return evsel__newtp_idx(sys, name, 0);
242}
243#endif
244
245struct evsel *evsel__new_cycles(bool precise, __u32 type, __u64 config);
246
247#ifdef HAVE_LIBTRACEEVENT
248struct tep_event *event_format__new(const char *sys, const char *name);
249#endif
250
251void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
252void evsel__exit(struct evsel *evsel);
253void evsel__delete(struct evsel *evsel);
254
255struct callchain_param;
256
257void evsel__config(struct evsel *evsel, struct record_opts *opts,
258 struct callchain_param *callchain);
259void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
260 struct callchain_param *callchain);
261
262int __evsel__sample_size(u64 sample_type);
263void evsel__calc_id_pos(struct evsel *evsel);
264
265bool evsel__is_cache_op_valid(u8 type, u8 op);
266
267static inline bool evsel__is_bpf(struct evsel *evsel)
268{
269 return evsel->bpf_counter_ops != NULL;
270}
271
272#define EVSEL__MAX_ALIASES 8
273
274extern const char *const evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX][EVSEL__MAX_ALIASES];
275extern const char *const evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][EVSEL__MAX_ALIASES];
276extern const char *const evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX][EVSEL__MAX_ALIASES];
277extern const char *const evsel__hw_names[PERF_COUNT_HW_MAX];
278extern const char *const evsel__sw_names[PERF_COUNT_SW_MAX];
279extern char *evsel__bpf_counter_events;
280bool evsel__match_bpf_counter_events(const char *name);
281int arch_evsel__hw_name(struct evsel *evsel, char *bf, size_t size);
282
283int __evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size);
284const char *evsel__name(struct evsel *evsel);
285const char *evsel__metric_id(const struct evsel *evsel);
286
287static inline bool evsel__is_tool(const struct evsel *evsel)
288{
289 return evsel->tool_event != PERF_TOOL_NONE;
290}
291
292const char *evsel__group_name(struct evsel *evsel);
293int evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
294
295void __evsel__set_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
296void __evsel__reset_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
297
298#define evsel__set_sample_bit(evsel, bit) \
299 __evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
300
301#define evsel__reset_sample_bit(evsel, bit) \
302 __evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
303
304void evsel__set_sample_id(struct evsel *evsel, bool use_sample_identifier);
305
306void arch_evsel__set_sample_weight(struct evsel *evsel);
307void arch_evsel__fixup_new_cycles(struct perf_event_attr *attr);
308void arch__post_evsel_config(struct evsel *evsel, struct perf_event_attr *attr);
309
310int evsel__set_filter(struct evsel *evsel, const char *filter);
311int evsel__append_tp_filter(struct evsel *evsel, const char *filter);
312int evsel__append_addr_filter(struct evsel *evsel, const char *filter);
313int evsel__enable_cpu(struct evsel *evsel, int cpu_map_idx);
314int evsel__enable(struct evsel *evsel);
315int evsel__disable(struct evsel *evsel);
316int evsel__disable_cpu(struct evsel *evsel, int cpu_map_idx);
317
318int evsel__open_per_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, int cpu_map_idx);
319int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads);
320int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
321 struct perf_thread_map *threads);
322void evsel__close(struct evsel *evsel);
323int evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus,
324 struct perf_thread_map *threads);
325bool evsel__detect_missing_features(struct evsel *evsel);
326
327enum rlimit_action { NO_CHANGE, SET_TO_MAX, INCREASED_MAX };
328bool evsel__increase_rlimit(enum rlimit_action *set_rlimit);
329
330bool evsel__precise_ip_fallback(struct evsel *evsel);
331
332struct perf_sample;
333
334#ifdef HAVE_LIBTRACEEVENT
335void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name);
336u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name);
337
338static inline char *evsel__strval(struct evsel *evsel, struct perf_sample *sample, const char *name)
339{
340 return evsel__rawptr(evsel, sample, name);
341}
342#endif
343
344struct tep_format_field;
345
346u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
347
348struct tep_format_field *evsel__field(struct evsel *evsel, const char *name);
349
350#define evsel__match(evsel, t, c) \
351 (evsel->core.attr.type == PERF_TYPE_##t && \
352 evsel->core.attr.config == PERF_COUNT_##c)
353
354static inline bool evsel__match2(struct evsel *e1, struct evsel *e2)
355{
356 return (e1->core.attr.type == e2->core.attr.type) &&
357 (e1->core.attr.config == e2->core.attr.config);
358}
359
360int evsel__read_counter(struct evsel *evsel, int cpu_map_idx, int thread);
361
362int __evsel__read_on_cpu(struct evsel *evsel, int cpu_map_idx, int thread, bool scale);
363
364/**
365 * evsel__read_on_cpu - Read out the results on a CPU and thread
366 *
367 * @evsel - event selector to read value
368 * @cpu_map_idx - CPU of interest
369 * @thread - thread of interest
370 */
371static inline int evsel__read_on_cpu(struct evsel *evsel, int cpu_map_idx, int thread)
372{
373 return __evsel__read_on_cpu(evsel, cpu_map_idx, thread, false);
374}
375
376/**
377 * evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
378 *
379 * @evsel - event selector to read value
380 * @cpu_map_idx - CPU of interest
381 * @thread - thread of interest
382 */
383static inline int evsel__read_on_cpu_scaled(struct evsel *evsel, int cpu_map_idx, int thread)
384{
385 return __evsel__read_on_cpu(evsel, cpu_map_idx, thread, true);
386}
387
388int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
389 struct perf_sample *sample);
390
391int evsel__parse_sample_timestamp(struct evsel *evsel, union perf_event *event,
392 u64 *timestamp);
393
394u16 evsel__id_hdr_size(struct evsel *evsel);
395
396static inline struct evsel *evsel__next(struct evsel *evsel)
397{
398 return list_entry(evsel->core.node.next, struct evsel, core.node);
399}
400
401static inline struct evsel *evsel__prev(struct evsel *evsel)
402{
403 return list_entry(evsel->core.node.prev, struct evsel, core.node);
404}
405
406/**
407 * evsel__is_group_leader - Return whether given evsel is a leader event
408 *
409 * @evsel - evsel selector to be tested
410 *
411 * Return %true if @evsel is a group leader or a stand-alone event
412 */
413static inline bool evsel__is_group_leader(const struct evsel *evsel)
414{
415 return evsel->core.leader == &evsel->core;
416}
417
418/**
419 * evsel__is_group_event - Return whether given evsel is a group event
420 *
421 * @evsel - evsel selector to be tested
422 *
423 * Return %true iff event group view is enabled and @evsel is a actual group
424 * leader which has other members in the group
425 */
426static inline bool evsel__is_group_event(struct evsel *evsel)
427{
428 if (!symbol_conf.event_group)
429 return false;
430
431 return evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
432}
433
434bool evsel__is_function_event(struct evsel *evsel);
435
436static inline bool evsel__is_bpf_output(struct evsel *evsel)
437{
438 return evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
439}
440
441static inline bool evsel__is_clock(struct evsel *evsel)
442{
443 return evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
444 evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
445}
446
447bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize);
448int evsel__open_strerror(struct evsel *evsel, struct target *target,
449 int err, char *msg, size_t size);
450
451static inline int evsel__group_idx(struct evsel *evsel)
452{
453 return evsel->core.idx - evsel->core.leader->idx;
454}
455
456/* Iterates group WITHOUT the leader. */
457#define for_each_group_member(_evsel, _leader) \
458for ((_evsel) = list_entry((_leader)->core.node.next, struct evsel, core.node); \
459 (_evsel) && (_evsel)->core.leader == (&_leader->core); \
460 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
461
462/* Iterates group WITH the leader. */
463#define for_each_group_evsel(_evsel, _leader) \
464for ((_evsel) = _leader; \
465 (_evsel) && (_evsel)->core.leader == (&_leader->core); \
466 (_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
467
468static inline bool evsel__has_branch_callstack(const struct evsel *evsel)
469{
470 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
471}
472
473static inline bool evsel__has_branch_hw_idx(const struct evsel *evsel)
474{
475 return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX;
476}
477
478static inline bool evsel__has_callchain(const struct evsel *evsel)
479{
480 /*
481 * For reporting purposes, an evsel sample can have a recorded callchain
482 * or a callchain synthesized from AUX area data.
483 */
484 return evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN ||
485 evsel->synth_sample_type & PERF_SAMPLE_CALLCHAIN;
486}
487
488static inline bool evsel__has_br_stack(const struct evsel *evsel)
489{
490 /*
491 * For reporting purposes, an evsel sample can have a recorded branch
492 * stack or a branch stack synthesized from AUX area data.
493 */
494 return evsel->core.attr.sample_type & PERF_SAMPLE_BRANCH_STACK ||
495 evsel->synth_sample_type & PERF_SAMPLE_BRANCH_STACK;
496}
497
498static inline bool evsel__is_dummy_event(struct evsel *evsel)
499{
500 return (evsel->core.attr.type == PERF_TYPE_SOFTWARE) &&
501 (evsel->core.attr.config == PERF_COUNT_SW_DUMMY);
502}
503
504struct perf_env *evsel__env(struct evsel *evsel);
505
506int evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
507
508void evsel__zero_per_pkg(struct evsel *evsel);
509bool evsel__is_hybrid(const struct evsel *evsel);
510struct evsel *evsel__leader(struct evsel *evsel);
511bool evsel__has_leader(struct evsel *evsel, struct evsel *leader);
512bool evsel__is_leader(struct evsel *evsel);
513void evsel__set_leader(struct evsel *evsel, struct evsel *leader);
514int evsel__source_count(const struct evsel *evsel);
515void evsel__remove_from_group(struct evsel *evsel, struct evsel *leader);
516
517bool arch_evsel__must_be_in_group(const struct evsel *evsel);
518
519/*
520 * Macro to swap the bit-field postition and size.
521 * Used when,
522 * - dont need to swap the entire u64 &&
523 * - when u64 has variable bit-field sizes &&
524 * - when presented in a host endian which is different
525 * than the source endian of the perf.data file
526 */
527#define bitfield_swap(src, pos, size) \
528 ((((src) >> (pos)) & ((1ull << (size)) - 1)) << (63 - ((pos) + (size) - 1)))
529
530u64 evsel__bitfield_swap_branch_flags(u64 value);
531#endif /* __PERF_EVSEL_H */