[mirror_ubuntu-artful-kernel.git] / tools / perf / util / stat.h

#ifndef __PERF_STATS_H
#define __PERF_STATS_H

#include <linux/types.h>
#include <stdio.h>
#include "xyarray.h"

struct stats
{
	double n, mean, M2;
	u64 max, min;
};

enum perf_stat_evsel_id {
	PERF_STAT_EVSEL_ID__NONE = 0,
	PERF_STAT_EVSEL_ID__CYCLES_IN_TX,
	PERF_STAT_EVSEL_ID__TRANSACTION_START,
	PERF_STAT_EVSEL_ID__ELISION_START,
	PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP,
	PERF_STAT_EVSEL_ID__MAX,
};

struct perf_stat {
	struct stats		res_stats[3];
	enum perf_stat_evsel_id	id;
};

enum aggr_mode {
	AGGR_NONE,
	AGGR_GLOBAL,
	AGGR_SOCKET,
	AGGR_CORE,
	AGGR_THREAD,
};

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 xyarray		  *values;
};

struct perf_stat_config {
	enum aggr_mode	aggr_mode;
	bool		scale;
	FILE		*output;
	unsigned int	interval;
};

static inline struct perf_counts_values*
perf_counts(struct perf_counts *counts, int cpu, int thread)
{
	return xyarray__entry(counts->values, cpu, thread);
}

void update_stats(struct stats *stats, u64 val);
double avg_stats(struct stats *stats);
double stddev_stats(struct stats *stats);
double rel_stddev_stats(double stddev, double avg);

static inline void init_stats(struct stats *stats)
{
	stats->n    = 0.0;
	stats->mean = 0.0;
	stats->M2   = 0.0;
	stats->min  = (u64) -1;
	stats->max  = 0;
}

struct perf_evsel;
struct perf_evlist;

bool __perf_evsel_stat__is(struct perf_evsel *evsel,
			   enum perf_stat_evsel_id id);

#define perf_stat_evsel__is(evsel, id) \
	__perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)

void perf_stat_evsel_id_init(struct perf_evsel *evsel);

extern struct stats walltime_nsecs_stats;

void perf_stat__reset_shadow_stats(void);
void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count,
				    int cpu);
void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel,
				   double avg, int cpu, enum aggr_mode aggr);

struct perf_counts *perf_counts__new(int ncpus, int nthreads);
void perf_counts__delete(struct perf_counts *counts);

void perf_evsel__reset_counts(struct perf_evsel *evsel);
int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads);
void perf_evsel__free_counts(struct perf_evsel *evsel);

void perf_evsel__reset_stat_priv(struct perf_evsel *evsel);
int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel);
void perf_evsel__free_stat_priv(struct perf_evsel *evsel);

int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel,
				      int ncpus, int nthreads);
void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel);

int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw);

int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
void perf_evlist__free_stats(struct perf_evlist *evlist);
void perf_evlist__reset_stats(struct perf_evlist *evlist);
#endif
Commit	Line	Data
0007ecea XG	1	#ifndef __PERF_STATS_H
	2	#define __PERF_STATS_H
	3
d944c4ee	4	#include <linux/types.h>
f87027b9	5	#include <stdio.h>
a8e02324	6	#include "xyarray.h"
0007ecea XG	7
	8	struct stats
	9	{
	10	double n, mean, M2;
ffe4f3c0	11	u64 max, min;
0007ecea XG	12	};
0007ecea XG	13
e2f56da1 JO	14	enum perf_stat_evsel_id {
e2f56da1 JO	15	PERF_STAT_EVSEL_ID__NONE = 0,
4c358d5c JO	16	PERF_STAT_EVSEL_ID__CYCLES_IN_TX,
	17	PERF_STAT_EVSEL_ID__TRANSACTION_START,
	18	PERF_STAT_EVSEL_ID__ELISION_START,
	19	PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP,
e2f56da1 JO	20	PERF_STAT_EVSEL_ID__MAX,
	21	};
	22
	23	struct perf_stat {
	24	struct stats res_stats[3];
	25	enum perf_stat_evsel_id id;
	26	};
	27
f87027b9 JO	28	enum aggr_mode {
	29	AGGR_NONE,
	30	AGGR_GLOBAL,
	31	AGGR_SOCKET,
	32	AGGR_CORE,
32b8af82	33	AGGR_THREAD,
f87027b9 JO	34	};
f87027b9 JO	35
1ac77e1c JO	36	struct perf_counts_values {
	37	union {
	38	struct {
	39	u64 val;
	40	u64 ena;
	41	u64 run;
	42	};
	43	u64 values[3];
	44	};
	45	};
	46
	47	struct perf_counts {
	48	s8 scaled;
	49	struct perf_counts_values aggr;
57b28915	50	struct xyarray *values;
1ac77e1c JO	51	};
1ac77e1c JO	52
421a50f3 JO	53	struct perf_stat_config {
421a50f3 JO	54	enum aggr_mode aggr_mode;
711a572e	55	bool scale;
5821522e	56	FILE *output;
ec0d3d1f	57	unsigned int interval;
421a50f3 JO	58	};
421a50f3 JO	59
1ac77e1c	60	static inline struct perf_counts_values*
a6fa0038	61	perf_counts(struct perf_counts *counts, int cpu, int thread)
1ac77e1c	62	{
57b28915	63	return xyarray__entry(counts->values, cpu, thread);
1ac77e1c JO	64	}
1ac77e1c JO	65
0007ecea XG	66	void update_stats(struct stats *stats, u64 val);
	67	double avg_stats(struct stats *stats);
	68	double stddev_stats(struct stats *stats);
	69	double rel_stddev_stats(double stddev, double avg);
	70
ffe4f3c0 DA	71	static inline void init_stats(struct stats *stats)
	72	{
	73	stats->n = 0.0;
	74	stats->mean = 0.0;
	75	stats->M2 = 0.0;
	76	stats->min = (u64) -1;
	77	stats->max = 0;
	78	}
e2f56da1 JO	79
e2f56da1 JO	80	struct perf_evsel;
24e34f68 JO	81	struct perf_evlist;
24e34f68 JO	82
e2f56da1 JO	83	bool __perf_evsel_stat__is(struct perf_evsel *evsel,
	84	enum perf_stat_evsel_id id);
	85
	86	#define perf_stat_evsel__is(evsel, id) \
	87	__perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
	88
	89	void perf_stat_evsel_id_init(struct perf_evsel *evsel);
	90
f87027b9 JO	91	extern struct stats walltime_nsecs_stats;
	92
	93	void perf_stat__reset_shadow_stats(void);
	94	void perf_stat__update_shadow_stats(struct perf_evsel counter, u64 count,
	95	int cpu);
	96	void perf_stat__print_shadow_stats(FILE out, struct perf_evsel evsel,
	97	double avg, int cpu, enum aggr_mode aggr);
	98
a6fa0038	99	struct perf_counts *perf_counts__new(int ncpus, int nthreads);
9df38e82 JO	100	void perf_counts__delete(struct perf_counts *counts);
9df38e82 JO	101
a8e02324	102	void perf_evsel__reset_counts(struct perf_evsel *evsel);
a6fa0038	103	int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads);
a9a3a4d9	104	void perf_evsel__free_counts(struct perf_evsel *evsel);
9689edfa JO	105
	106	void perf_evsel__reset_stat_priv(struct perf_evsel *evsel);
	107	int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel);
	108	void perf_evsel__free_stat_priv(struct perf_evsel *evsel);
a939512d JO	109
	110	int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel,
	111	int ncpus, int nthreads);
	112	void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel);
24e34f68	113
a7d0a102 JO	114	int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw);
a7d0a102 JO	115
24e34f68 JO	116	int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
	117	void perf_evlist__free_stats(struct perf_evlist *evlist);
	118	void perf_evlist__reset_stats(struct perf_evlist *evlist);
0007ecea	119	#endif