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1 /**
2  * @file op_alloc_counter.h
3  * hardware counter allocation
4  *
5  * You can have silliness here.
6  *
7  * @remark Copyright 2002 OProfile authors
8  * @remark Read the file COPYING
9  *
10  * @author John Levon
11  * @author Philippe Elie
12  */
13 
14 #ifndef OP_ALLOC_COUNTER_H
15 #define OP_ALLOC_COUNTER_H
16 
17 #include <stddef.h>
18 
19 #include "op_cpu_type.h"
20 
21 struct op_event;
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /**
28  * @param pev  array of selected event we want to bind to counter
29  * @param nr_events  size of pev array
30  * @param cpu_type  cpu type
31  *
32  * Try to calculate a binding between passed event in pev and counter number.
33  * The binding is returned in a size_t * where returned ptr[i] is the counter
34  * number bound to pev[i]
35  */
36 size_t * map_event_to_counter(struct op_event const * pev[], int nr_events,
37                               op_cpu cpu_type);
38 
39 #ifdef __cplusplus
40 }
41 #endif
42 
43 #endif /* !OP_ALLOC_COUNTER_H */
44