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
);
87 struct event_format
*event_format__new(const char *sys
, const char *name
);
89 void perf_evsel__init(struct perf_evsel
*evsel
,
90 struct perf_event_attr
*attr
, int idx
);
91 void perf_evsel__exit(struct perf_evsel
*evsel
);
92 void perf_evsel__delete(struct perf_evsel
*evsel
);
94 void perf_evsel__config(struct perf_evsel
*evsel
,
95 struct perf_record_opts
*opts
,
96 struct perf_evsel
*first
);
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
);
228 #endif /* __PERF_EVSEL_H */