2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
6 #include "../../../include/linux/perf_event.h"
12 struct perf_counts_values {
25 struct perf_counts_values aggr;
26 struct perf_counts_values cpu[];
32 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
33 * more than one entry in the evlist.
35 struct perf_sample_id {
36 struct hlist_node node;
38 struct perf_evsel *evsel;
41 /** struct perf_evsel - event selector
43 * @name - Can be set to retain the original event name passed by the user,
44 * so that when showing results in tools such as 'perf stat', we
45 * show the name used, not some alias.
48 struct list_head node;
49 struct perf_event_attr attr;
52 struct xyarray *sample_id;
54 struct perf_counts *counts;
59 struct event_format *tp_format;
64 struct cgroup_sel *cgrp;
70 unsigned int sample_size;
73 /* parse modifier helper */
75 struct perf_evsel *leader;
82 struct perf_record_opts;
84 struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
85 struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
86 void perf_evsel__init(struct perf_evsel *evsel,
87 struct perf_event_attr *attr, int idx);
88 void perf_evsel__exit(struct perf_evsel *evsel);
89 void perf_evsel__delete(struct perf_evsel *evsel);
91 void perf_evsel__config(struct perf_evsel *evsel,
92 struct perf_record_opts *opts,
93 struct perf_evsel *first);
95 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
97 #define PERF_EVSEL__MAX_ALIASES 8
99 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
100 [PERF_EVSEL__MAX_ALIASES];
101 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
102 [PERF_EVSEL__MAX_ALIASES];
103 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
104 [PERF_EVSEL__MAX_ALIASES];
105 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
106 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
107 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
108 char *bf, size_t size);
109 const char *perf_evsel__name(struct perf_evsel *evsel);
111 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
112 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
113 int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
114 void perf_evsel__free_fd(struct perf_evsel *evsel);
115 void perf_evsel__free_id(struct perf_evsel *evsel);
116 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
118 int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
121 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
122 struct cpu_map *cpus);
123 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
124 struct thread_map *threads);
125 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
126 struct thread_map *threads);
127 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
131 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
133 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
136 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
137 struct perf_sample *sample,
140 return perf_evsel__rawptr(evsel, sample, name);
145 struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
147 #define perf_evsel__match(evsel, t, c) \
148 (evsel->attr.type == PERF_TYPE_##t && \
149 evsel->attr.config == PERF_COUNT_##c)
151 static inline bool perf_evsel__match2(struct perf_evsel *e1,
152 struct perf_evsel *e2)
154 return (e1->attr.type == e2->attr.type) &&
155 (e1->attr.config == e2->attr.config);
158 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
159 int cpu, int thread, bool scale);
162 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
164 * @evsel - event selector to read value
165 * @cpu - CPU of interest
166 * @thread - thread of interest
168 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
171 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
175 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
177 * @evsel - event selector to read value
178 * @cpu - CPU of interest
179 * @thread - thread of interest
181 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
184 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
187 int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
191 * perf_evsel__read - Read the aggregate results on all CPUs
193 * @evsel - event selector to read value
194 * @ncpus - Number of cpus affected, from zero
195 * @nthreads - Number of threads affected, from zero
197 static inline int perf_evsel__read(struct perf_evsel *evsel,
198 int ncpus, int nthreads)
200 return __perf_evsel__read(evsel, ncpus, nthreads, false);
204 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
206 * @evsel - event selector to read value
207 * @ncpus - Number of cpus affected, from zero
208 * @nthreads - Number of threads affected, from zero
210 static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
211 int ncpus, int nthreads)
213 return __perf_evsel__read(evsel, ncpus, nthreads, true);
216 void hists__init(struct hists *hists);
218 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
219 struct perf_sample *sample);
221 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
223 return list_entry(evsel->node.next, struct perf_evsel, node);
225 #endif /* __PERF_EVSEL_H */