[GitHub/mt8127/android_kernel_alcatel_ttab.git] / tools / perf / util / evsel.h

#ifndef __PERF_EVSEL_H
#define __PERF_EVSEL_H 1

#include <linux/list.h>
#include <stdbool.h>
#include "../../../include/linux/perf_event.h"
#include "types.h"
#include "xyarray.h"
#include "cgroup.h"
#include "hist.h"
 
struct perf_counts_values {
	union {
		struct {
			u64 val;
			u64 ena;
			u64 run;
		};
		u64 values[3];
	};
};

struct perf_counts {
	s8		   	  scaled;
	struct perf_counts_values aggr;
	struct perf_counts_values cpu[];
};

struct perf_evsel;

/*
 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
 * more than one entry in the evlist.
 */
struct perf_sample_id {
	struct hlist_node 	node;
	u64		 	id;
	struct perf_evsel	*evsel;
};

/** struct perf_evsel - event selector
 *
 * @name - Can be set to retain the original event name passed by the user,
 *         so that when showing results in tools such as 'perf stat', we
 *         show the name used, not some alias.
 */
struct perf_evsel {
	struct list_head	node;
	struct perf_event_attr	attr;
	char			*filter;
	struct xyarray		*fd;
	struct xyarray		*sample_id;
	u64			*id;
	struct perf_counts	*counts;
	int			idx;
	int			ids;
	struct hists		hists;
	char			*name;
	union {
		void		*priv;
		off_t		id_offset;
	};
	struct cgroup_sel	*cgrp;
};

struct cpu_map;
struct thread_map;
struct perf_evlist;

struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
void perf_evsel__init(struct perf_evsel *evsel,
		      struct perf_event_attr *attr, int idx);
void perf_evsel__exit(struct perf_evsel *evsel);
void perf_evsel__delete(struct perf_evsel *evsel);

int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
void perf_evsel__free_fd(struct perf_evsel *evsel);
void perf_evsel__free_id(struct perf_evsel *evsel);
void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);

int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
			     struct cpu_map *cpus, bool group);
int perf_evsel__open_per_thread(struct perf_evsel *evsel,
				struct thread_map *threads, bool group);
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
		     struct thread_map *threads, bool group);

#define perf_evsel__match(evsel, t, c)		\
	(evsel->attr.type == PERF_TYPE_##t &&	\
	 evsel->attr.config == PERF_COUNT_##c)

int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
			      int cpu, int thread, bool scale);

/**
 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
 *
 * @evsel - event selector to read value
 * @cpu - CPU of interest
 * @thread - thread of interest
 */
static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
					  int cpu, int thread)
{
	return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
}

/**
 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
 *
 * @evsel - event selector to read value
 * @cpu - CPU of interest
 * @thread - thread of interest
 */
static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
						 int cpu, int thread)
{
	return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
}

int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
		       bool scale);

/**
 * perf_evsel__read - Read the aggregate results on all CPUs
 *
 * @evsel - event selector to read value
 * @ncpus - Number of cpus affected, from zero
 * @nthreads - Number of threads affected, from zero
 */
static inline int perf_evsel__read(struct perf_evsel *evsel,
				    int ncpus, int nthreads)
{
	return __perf_evsel__read(evsel, ncpus, nthreads, false);
}

/**
 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
 *
 * @evsel - event selector to read value
 * @ncpus - Number of cpus affected, from zero
 * @nthreads - Number of threads affected, from zero
 */
static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
					  int ncpus, int nthreads)
{
	return __perf_evsel__read(evsel, ncpus, nthreads, true);
}

#endif /* __PERF_EVSEL_H */
Commit	Line	Data
69aad6f1 ACM	1	#ifndef __PERF_EVSEL_H
	2	#define __PERF_EVSEL_H 1
	3
	4	#include <linux/list.h>
c52b12ed	5	#include <stdbool.h>
d030260a	6	#include "../../../include/linux/perf_event.h"
69aad6f1 ACM	7	#include "types.h"
69aad6f1 ACM	8	#include "xyarray.h"
023695d9	9	#include "cgroup.h"
e248de33	10	#include "hist.h"
c52b12ed ACM	11
	12	struct perf_counts_values {
	13	union {
	14	struct {
	15	u64 val;
	16	u64 ena;
	17	u64 run;
	18	};
	19	u64 values[3];
	20	};
	21	};
	22
	23	struct perf_counts {
	24	s8 scaled;
	25	struct perf_counts_values aggr;
	26	struct perf_counts_values cpu[];
	27	};
69aad6f1	28
70db7533 ACM	29	struct perf_evsel;
	30
	31	/*
	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.
	34	*/
	35	struct perf_sample_id {
	36	struct hlist_node node;
	37	u64 id;
	38	struct perf_evsel *evsel;
	39	};
	40
f0c55bcf SE	41	/** struct perf_evsel - event selector
	42	*
	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.
	46	*/
69aad6f1 ACM	47	struct perf_evsel {
	48	struct list_head node;
	49	struct perf_event_attr attr;
	50	char *filter;
	51	struct xyarray *fd;
a91e5431 ACM	52	struct xyarray *sample_id;
a91e5431 ACM	53	u64 *id;
c52b12ed	54	struct perf_counts *counts;
69aad6f1	55	int idx;
a91e5431	56	int ids;
e248de33	57	struct hists hists;
f0c55bcf	58	char *name;
a91e5431 ACM	59	union {
	60	void *priv;
	61	off_t id_offset;
	62	};
023695d9	63	struct cgroup_sel *cgrp;
69aad6f1 ACM	64	};
69aad6f1 ACM	65
86bd5e86 ACM	66	struct cpu_map;
86bd5e86 ACM	67	struct thread_map;
70082dd9	68	struct perf_evlist;
86bd5e86	69
23a2f3ab	70	struct perf_evsel perf_evsel__new(struct perf_event_attr attr, int idx);
ef1d1af2 ACM	71	void perf_evsel__init(struct perf_evsel *evsel,
	72	struct perf_event_attr *attr, int idx);
	73	void perf_evsel__exit(struct perf_evsel *evsel);
69aad6f1 ACM	74	void perf_evsel__delete(struct perf_evsel *evsel);
	75
	76	int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
70db7533	77	int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
c52b12ed	78	int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
69aad6f1	79	void perf_evsel__free_fd(struct perf_evsel *evsel);
70db7533	80	void perf_evsel__free_id(struct perf_evsel *evsel);
c52b12ed	81	void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
69aad6f1	82
f08199d3	83	int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
5d2cd909	84	struct cpu_map *cpus, bool group);
f08199d3	85	int perf_evsel__open_per_thread(struct perf_evsel *evsel,
5d2cd909	86	struct thread_map *threads, bool group);
f08199d3	87	int perf_evsel__open(struct perf_evsel evsel, struct cpu_map cpus,
5d2cd909	88	struct thread_map *threads, bool group);
48290609	89
daec78a0 ACM	90	#define perf_evsel__match(evsel, t, c) \
	91	(evsel->attr.type == PERF_TYPE_##t && \
	92	evsel->attr.config == PERF_COUNT_##c)
	93
c52b12ed ACM	94	int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
	95	int cpu, int thread, bool scale);
	96
	97	/**
	98	* perf_evsel__read_on_cpu - Read out the results on a CPU and thread
	99	*
	100	* @evsel - event selector to read value
	101	* @cpu - CPU of interest
	102	* @thread - thread of interest
	103	*/
	104	static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
	105	int cpu, int thread)
	106	{
	107	return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
	108	}
	109
	110	/**
	111	* perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
	112	*
	113	* @evsel - event selector to read value
	114	* @cpu - CPU of interest
	115	* @thread - thread of interest
	116	*/
	117	static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
	118	int cpu, int thread)
	119	{
	120	return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
	121	}
	122
	123	int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
	124	bool scale);
	125
	126	/**
	127	* perf_evsel__read - Read the aggregate results on all CPUs
	128	*
	129	* @evsel - event selector to read value
	130	* @ncpus - Number of cpus affected, from zero
	131	* @nthreads - Number of threads affected, from zero
	132	*/
	133	static inline int perf_evsel__read(struct perf_evsel *evsel,
	134	int ncpus, int nthreads)
	135	{
	136	return __perf_evsel__read(evsel, ncpus, nthreads, false);
	137	}
	138
	139	/**
	140	* perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
	141	*
	142	* @evsel - event selector to read value
	143	* @ncpus - Number of cpus affected, from zero
	144	* @nthreads - Number of threads affected, from zero
	145	*/
	146	static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
	147	int ncpus, int nthreads)
	148	{
	149	return __perf_evsel__read(evsel, ncpus, nthreads, true);
	150	}
	151
69aad6f1	152	#endif /* __PERF_EVSEL_H */