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
;
63 struct cgroup_sel
*cgrp
;
74 struct perf_record_opts
;
76 struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
, int idx
);
77 void perf_evsel__init(struct perf_evsel
*evsel
,
78 struct perf_event_attr
*attr
, int idx
);
79 void perf_evsel__exit(struct perf_evsel
*evsel
);
80 void perf_evsel__delete(struct perf_evsel
*evsel
);
82 void perf_evsel__config(struct perf_evsel
*evsel
,
83 struct perf_record_opts
*opts
,
84 struct perf_evsel
*first
);
86 bool perf_evsel__is_cache_op_valid(u8 type
, u8 op
);
88 #define PERF_EVSEL__MAX_ALIASES 8
90 extern const char *perf_evsel__hw_cache
[PERF_COUNT_HW_CACHE_MAX
]
91 [PERF_EVSEL__MAX_ALIASES
];
92 extern const char *perf_evsel__hw_cache_op
[PERF_COUNT_HW_CACHE_OP_MAX
]
93 [PERF_EVSEL__MAX_ALIASES
];
94 const char *perf_evsel__hw_cache_result
[PERF_COUNT_HW_CACHE_RESULT_MAX
]
95 [PERF_EVSEL__MAX_ALIASES
];
96 int __perf_evsel__hw_cache_type_op_res_name(u8 type
, u8 op
, u8 result
,
97 char *bf
, size_t size
);
98 int __perf_evsel__hw_cache_name(u64 config
, char *bf
, size_t size
);
100 const char *__perf_evsel__hw_name(u64 config
);
101 const char *__perf_evsel__sw_name(u64 config
);
103 const char *perf_evsel__name(struct perf_evsel
*evsel
);
105 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
106 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
107 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
108 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
109 void perf_evsel__free_id(struct perf_evsel
*evsel
);
110 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
112 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
113 struct cpu_map
*cpus
, bool group
,
114 struct xyarray
*group_fds
);
115 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
116 struct thread_map
*threads
, bool group
,
117 struct xyarray
*group_fds
);
118 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
119 struct thread_map
*threads
, bool group
,
120 struct xyarray
*group_fds
);
121 void perf_evsel__close(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
123 #define perf_evsel__match(evsel, t, c) \
124 (evsel->attr.type == PERF_TYPE_##t && \
125 evsel->attr.config == PERF_COUNT_##c)
127 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
128 int cpu
, int thread
, bool scale
);
131 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
133 * @evsel - event selector to read value
134 * @cpu - CPU of interest
135 * @thread - thread of interest
137 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
140 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
144 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
146 * @evsel - event selector to read value
147 * @cpu - CPU of interest
148 * @thread - thread of interest
150 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
153 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
156 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
160 * perf_evsel__read - Read the aggregate results on all CPUs
162 * @evsel - event selector to read value
163 * @ncpus - Number of cpus affected, from zero
164 * @nthreads - Number of threads affected, from zero
166 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
167 int ncpus
, int nthreads
)
169 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
173 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
175 * @evsel - event selector to read value
176 * @ncpus - Number of cpus affected, from zero
177 * @nthreads - Number of threads affected, from zero
179 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
180 int ncpus
, int nthreads
)
182 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
185 int __perf_evsel__sample_size(u64 sample_type
);
187 static inline int perf_evsel__sample_size(struct perf_evsel
*evsel
)
189 return __perf_evsel__sample_size(evsel
->attr
.sample_type
);
192 void hists__init(struct hists
*hists
);
194 #endif /* __PERF_EVSEL_H */