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
;
72 /* parse modifier helper */
74 struct perf_evsel
*leader
;
81 struct perf_record_opts
;
83 struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
, int idx
);
84 void perf_evsel__init(struct perf_evsel
*evsel
,
85 struct perf_event_attr
*attr
, int idx
);
86 void perf_evsel__exit(struct perf_evsel
*evsel
);
87 void perf_evsel__delete(struct perf_evsel
*evsel
);
89 void perf_evsel__config(struct perf_evsel
*evsel
,
90 struct perf_record_opts
*opts
,
91 struct perf_evsel
*first
);
93 bool perf_evsel__is_cache_op_valid(u8 type
, u8 op
);
95 #define PERF_EVSEL__MAX_ALIASES 8
97 extern const char *perf_evsel__hw_cache
[PERF_COUNT_HW_CACHE_MAX
]
98 [PERF_EVSEL__MAX_ALIASES
];
99 extern const char *perf_evsel__hw_cache_op
[PERF_COUNT_HW_CACHE_OP_MAX
]
100 [PERF_EVSEL__MAX_ALIASES
];
101 extern const char *perf_evsel__hw_cache_result
[PERF_COUNT_HW_CACHE_RESULT_MAX
]
102 [PERF_EVSEL__MAX_ALIASES
];
103 extern const char *perf_evsel__hw_names
[PERF_COUNT_HW_MAX
];
104 extern const char *perf_evsel__sw_names
[PERF_COUNT_SW_MAX
];
105 int __perf_evsel__hw_cache_type_op_res_name(u8 type
, u8 op
, u8 result
,
106 char *bf
, size_t size
);
107 const char *perf_evsel__name(struct perf_evsel
*evsel
);
109 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
110 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
111 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
112 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
113 void perf_evsel__free_id(struct perf_evsel
*evsel
);
114 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
116 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
117 struct cpu_map
*cpus
);
118 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
119 struct thread_map
*threads
);
120 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
121 struct thread_map
*threads
);
122 void perf_evsel__close(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
126 char *perf_evsel__strval(struct perf_evsel
*evsel
, struct perf_sample
*sample
,
128 u64
perf_evsel__intval(struct perf_evsel
*evsel
, struct perf_sample
*sample
,
131 #define perf_evsel__match(evsel, t, c) \
132 (evsel->attr.type == PERF_TYPE_##t && \
133 evsel->attr.config == PERF_COUNT_##c)
135 static inline bool perf_evsel__match2(struct perf_evsel
*e1
,
136 struct perf_evsel
*e2
)
138 return (e1
->attr
.type
== e2
->attr
.type
) &&
139 (e1
->attr
.config
== e2
->attr
.config
);
142 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
143 int cpu
, int thread
, bool scale
);
146 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
148 * @evsel - event selector to read value
149 * @cpu - CPU of interest
150 * @thread - thread of interest
152 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
155 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
159 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
161 * @evsel - event selector to read value
162 * @cpu - CPU of interest
163 * @thread - thread of interest
165 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
168 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
171 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
175 * perf_evsel__read - Read the aggregate results on all CPUs
177 * @evsel - event selector to read value
178 * @ncpus - Number of cpus affected, from zero
179 * @nthreads - Number of threads affected, from zero
181 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
182 int ncpus
, int nthreads
)
184 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
188 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
190 * @evsel - event selector to read value
191 * @ncpus - Number of cpus affected, from zero
192 * @nthreads - Number of threads affected, from zero
194 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
195 int ncpus
, int nthreads
)
197 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
200 void hists__init(struct hists
*hists
);
202 int perf_evsel__parse_sample(struct perf_evsel
*evsel
, union perf_event
*event
,
203 struct perf_sample
*sample
, bool swapped
);
205 static inline struct perf_evsel
*perf_evsel__next(struct perf_evsel
*evsel
)
207 return list_entry(evsel
->node
.next
, struct perf_evsel
, node
);
209 #endif /* __PERF_EVSEL_H */