2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
7 #include <linux/perf_event.h>
13 struct perf_counts_values {
26 struct perf_counts_values aggr;
27 struct perf_counts_values cpu[];
33 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
34 * more than one entry in the evlist.
36 struct perf_sample_id {
37 struct hlist_node node;
39 struct perf_evsel *evsel;
42 /** struct perf_evsel - event selector
44 * @name - Can be set to retain the original event name passed by the user,
45 * so that when showing results in tools such as 'perf stat', we
46 * show the name used, not some alias.
49 struct list_head node;
50 struct perf_event_attr attr;
53 struct xyarray *sample_id;
55 struct perf_counts *counts;
56 struct perf_counts *prev_raw_counts;
61 struct event_format *tp_format;
66 struct cgroup_sel *cgrp;
72 unsigned int sample_size;
75 /* parse modifier helper */
77 struct perf_evsel *leader;
84 struct perf_record_opts;
86 struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
87 struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
89 struct event_format *event_format__new(const char *sys, const char *name);
91 void perf_evsel__init(struct perf_evsel *evsel,
92 struct perf_event_attr *attr, int idx);
93 void perf_evsel__exit(struct perf_evsel *evsel);
94 void perf_evsel__delete(struct perf_evsel *evsel);
96 void perf_evsel__config(struct perf_evsel *evsel,
97 struct perf_record_opts *opts);
99 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
101 #define PERF_EVSEL__MAX_ALIASES 8
103 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
104 [PERF_EVSEL__MAX_ALIASES];
105 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
106 [PERF_EVSEL__MAX_ALIASES];
107 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
108 [PERF_EVSEL__MAX_ALIASES];
109 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
110 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
111 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
112 char *bf, size_t size);
113 const char *perf_evsel__name(struct perf_evsel *evsel);
115 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
116 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
117 int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
118 void perf_evsel__free_fd(struct perf_evsel *evsel);
119 void perf_evsel__free_id(struct perf_evsel *evsel);
120 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
122 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
123 enum perf_event_sample_format bit);
124 void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
125 enum perf_event_sample_format bit);
127 #define perf_evsel__set_sample_bit(evsel, bit) \
128 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
130 #define perf_evsel__reset_sample_bit(evsel, bit) \
131 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
133 void perf_evsel__set_sample_id(struct perf_evsel *evsel);
135 int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
138 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
139 struct cpu_map *cpus);
140 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
141 struct thread_map *threads);
142 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
143 struct thread_map *threads);
144 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
148 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
150 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
153 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
154 struct perf_sample *sample,
157 return perf_evsel__rawptr(evsel, sample, name);
162 struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
164 #define perf_evsel__match(evsel, t, c) \
165 (evsel->attr.type == PERF_TYPE_##t && \
166 evsel->attr.config == PERF_COUNT_##c)
168 static inline bool perf_evsel__match2(struct perf_evsel *e1,
169 struct perf_evsel *e2)
171 return (e1->attr.type == e2->attr.type) &&
172 (e1->attr.config == e2->attr.config);
175 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
176 int cpu, int thread, bool scale);
179 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
181 * @evsel - event selector to read value
182 * @cpu - CPU of interest
183 * @thread - thread of interest
185 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
188 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
192 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
194 * @evsel - event selector to read value
195 * @cpu - CPU of interest
196 * @thread - thread of interest
198 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
201 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
204 int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
208 * perf_evsel__read - Read the aggregate results on all CPUs
210 * @evsel - event selector to read value
211 * @ncpus - Number of cpus affected, from zero
212 * @nthreads - Number of threads affected, from zero
214 static inline int perf_evsel__read(struct perf_evsel *evsel,
215 int ncpus, int nthreads)
217 return __perf_evsel__read(evsel, ncpus, nthreads, false);
221 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
223 * @evsel - event selector to read value
224 * @ncpus - Number of cpus affected, from zero
225 * @nthreads - Number of threads affected, from zero
227 static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
228 int ncpus, int nthreads)
230 return __perf_evsel__read(evsel, ncpus, nthreads, true);
233 void hists__init(struct hists *hists);
235 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
236 struct perf_sample *sample);
238 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
240 return list_entry(evsel->node.next, struct perf_evsel, node);
243 static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
245 return evsel->leader == evsel;
248 struct perf_attr_details {
253 int perf_evsel__fprintf(struct perf_evsel *evsel,
254 struct perf_attr_details *details, FILE *fp);
256 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
257 char *msg, size_t msgsize);
258 int perf_evsel__open_strerror(struct perf_evsel *evsel,
259 struct perf_target *target,
260 int err, char *msg, size_t size);
261 #endif /* __PERF_EVSEL_H */