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;
60 struct event_format *tp_format;
65 struct cgroup_sel *cgrp;
71 unsigned int sample_size;
74 /* parse modifier helper */
76 struct perf_evsel *leader;
83 struct perf_record_opts;
85 struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
86 struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
88 struct event_format *event_format__new(const char *sys, const char *name);
90 void perf_evsel__init(struct perf_evsel *evsel,
91 struct perf_event_attr *attr, int idx);
92 void perf_evsel__exit(struct perf_evsel *evsel);
93 void perf_evsel__delete(struct perf_evsel *evsel);
95 void perf_evsel__config(struct perf_evsel *evsel,
96 struct perf_record_opts *opts);
98 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
100 #define PERF_EVSEL__MAX_ALIASES 8
102 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
103 [PERF_EVSEL__MAX_ALIASES];
104 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
105 [PERF_EVSEL__MAX_ALIASES];
106 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
107 [PERF_EVSEL__MAX_ALIASES];
108 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
109 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
110 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
111 char *bf, size_t size);
112 const char *perf_evsel__name(struct perf_evsel *evsel);
114 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
115 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
116 int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
117 void perf_evsel__free_fd(struct perf_evsel *evsel);
118 void perf_evsel__free_id(struct perf_evsel *evsel);
119 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
121 int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
124 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
125 struct cpu_map *cpus);
126 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
127 struct thread_map *threads);
128 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
129 struct thread_map *threads);
130 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
134 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
136 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
139 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
140 struct perf_sample *sample,
143 return perf_evsel__rawptr(evsel, sample, name);
148 struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
150 #define perf_evsel__match(evsel, t, c) \
151 (evsel->attr.type == PERF_TYPE_##t && \
152 evsel->attr.config == PERF_COUNT_##c)
154 static inline bool perf_evsel__match2(struct perf_evsel *e1,
155 struct perf_evsel *e2)
157 return (e1->attr.type == e2->attr.type) &&
158 (e1->attr.config == e2->attr.config);
161 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
162 int cpu, int thread, bool scale);
165 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
167 * @evsel - event selector to read value
168 * @cpu - CPU of interest
169 * @thread - thread of interest
171 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
174 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
178 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
180 * @evsel - event selector to read value
181 * @cpu - CPU of interest
182 * @thread - thread of interest
184 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
187 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
190 int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
194 * perf_evsel__read - Read the aggregate results on all CPUs
196 * @evsel - event selector to read value
197 * @ncpus - Number of cpus affected, from zero
198 * @nthreads - Number of threads affected, from zero
200 static inline int perf_evsel__read(struct perf_evsel *evsel,
201 int ncpus, int nthreads)
203 return __perf_evsel__read(evsel, ncpus, nthreads, false);
207 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
209 * @evsel - event selector to read value
210 * @ncpus - Number of cpus affected, from zero
211 * @nthreads - Number of threads affected, from zero
213 static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
214 int ncpus, int nthreads)
216 return __perf_evsel__read(evsel, ncpus, nthreads, true);
219 void hists__init(struct hists *hists);
221 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
222 struct perf_sample *sample);
224 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
226 return list_entry(evsel->node.next, struct perf_evsel, node);
229 static inline bool perf_evsel__is_group_member(const struct perf_evsel *evsel)
231 return evsel->leader != NULL;
233 #endif /* __PERF_EVSEL_H */