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 const char *perf_evsel__name(struct perf_evsel
*evsel
);
100 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
101 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
102 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
103 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
104 void perf_evsel__free_id(struct perf_evsel
*evsel
);
105 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
107 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
108 struct cpu_map
*cpus
, bool group
,
109 struct xyarray
*group_fds
);
110 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
111 struct thread_map
*threads
, bool group
,
112 struct xyarray
*group_fds
);
113 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
114 struct thread_map
*threads
, bool group
,
115 struct xyarray
*group_fds
);
116 void perf_evsel__close(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
118 #define perf_evsel__match(evsel, t, c) \
119 (evsel->attr.type == PERF_TYPE_##t && \
120 evsel->attr.config == PERF_COUNT_##c)
122 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
123 int cpu
, int thread
, bool scale
);
126 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
128 * @evsel - event selector to read value
129 * @cpu - CPU of interest
130 * @thread - thread of interest
132 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
135 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
139 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
141 * @evsel - event selector to read value
142 * @cpu - CPU of interest
143 * @thread - thread of interest
145 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
148 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
151 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
155 * perf_evsel__read - Read the aggregate results on all CPUs
157 * @evsel - event selector to read value
158 * @ncpus - Number of cpus affected, from zero
159 * @nthreads - Number of threads affected, from zero
161 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
162 int ncpus
, int nthreads
)
164 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
168 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
170 * @evsel - event selector to read value
171 * @ncpus - Number of cpus affected, from zero
172 * @nthreads - Number of threads affected, from zero
174 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
175 int ncpus
, int nthreads
)
177 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
180 int __perf_evsel__sample_size(u64 sample_type
);
182 static inline int perf_evsel__sample_size(struct perf_evsel
*evsel
)
184 return __perf_evsel__sample_size(evsel
->attr
.sample_type
);
187 void hists__init(struct hists
*hists
);
189 #endif /* __PERF_EVSEL_H */