[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__TOPDOWN_TOTAL_SLOTS,
	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED,
	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED,
	PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES,
	PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES,
	PERF_STAT_EVSEL_ID__MAX,
};

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

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

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

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;

typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit,
			       const char *fmt, double val);
typedef void (*new_line_t )(void *ctx);

void perf_stat__init_shadow_stats(void);
void perf_stat__reset_shadow_stats(void);
void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count,
				    int cpu);
struct perf_stat_output_ctx {
	void *ctx;
	print_metric_t print_metric;
	new_line_t new_line;
};

void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
				   double avg, int cpu,
				   struct perf_stat_output_ctx *out);

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);

int perf_stat_process_counter(struct perf_stat_config *config,
			      struct perf_evsel *counter);
struct perf_tool;
union perf_event;
struct perf_session;
int perf_event__process_stat_event(struct perf_tool *tool,
				   union perf_event *event,
				   struct perf_session *session);

size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
#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,
239bd47f AK	20	PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS,
	21	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED,
	22	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED,
	23	PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES,
	24	PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES,
e2f56da1 JO	25	PERF_STAT_EVSEL_ID__MAX,
	26	};
	27
581cc8a2	28	struct perf_stat_evsel {
e2f56da1 JO	29	struct stats res_stats[3];
	30	enum perf_stat_evsel_id id;
	31	};
	32
f87027b9 JO	33	enum aggr_mode {
	34	AGGR_NONE,
	35	AGGR_GLOBAL,
	36	AGGR_SOCKET,
	37	AGGR_CORE,
32b8af82	38	AGGR_THREAD,
208df99e	39	AGGR_UNSET,
f87027b9 JO	40	};
f87027b9 JO	41
421a50f3 JO	42	struct perf_stat_config {
421a50f3 JO	43	enum aggr_mode aggr_mode;
711a572e	44	bool scale;
5821522e	45	FILE *output;
ec0d3d1f	46	unsigned int interval;
421a50f3 JO	47	};
421a50f3 JO	48
0007ecea XG	49	void update_stats(struct stats *stats, u64 val);
	50	double avg_stats(struct stats *stats);
	51	double stddev_stats(struct stats *stats);
	52	double rel_stddev_stats(double stddev, double avg);
	53
ffe4f3c0 DA	54	static inline void init_stats(struct stats *stats)
	55	{
	56	stats->n = 0.0;
	57	stats->mean = 0.0;
	58	stats->M2 = 0.0;
	59	stats->min = (u64) -1;
	60	stats->max = 0;
	61	}
e2f56da1 JO	62
e2f56da1 JO	63	struct perf_evsel;
24e34f68 JO	64	struct perf_evlist;
24e34f68 JO	65
e2f56da1 JO	66	bool __perf_evsel_stat__is(struct perf_evsel *evsel,
	67	enum perf_stat_evsel_id id);
	68
	69	#define perf_stat_evsel__is(evsel, id) \
	70	__perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
	71
	72	void perf_stat_evsel_id_init(struct perf_evsel *evsel);
	73
f87027b9 JO	74	extern struct stats walltime_nsecs_stats;
f87027b9 JO	75
140aeadc AK	76	typedef void (print_metric_t)(void ctx, const char color, const char unit,
	77	const char *fmt, double val);
	78	typedef void (new_line_t )(void ctx);
	79
fb4605ba	80	void perf_stat__init_shadow_stats(void);
f87027b9 JO	81	void perf_stat__reset_shadow_stats(void);
	82	void perf_stat__update_shadow_stats(struct perf_evsel counter, u64 count,
	83	int cpu);
140aeadc AK	84	struct perf_stat_output_ctx {
	85	void *ctx;
	86	print_metric_t print_metric;
	87	new_line_t new_line;
	88	};
	89
	90	void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
	91	double avg, int cpu,
	92	struct perf_stat_output_ctx *out);
f87027b9	93
24e34f68 JO	94	int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
	95	void perf_evlist__free_stats(struct perf_evlist *evlist);
	96	void perf_evlist__reset_stats(struct perf_evlist *evlist);
f80010eb JO	97
	98	int perf_stat_process_counter(struct perf_stat_config *config,
	99	struct perf_evsel *counter);
0ea0e355 JO	100	struct perf_tool;
	101	union perf_event;
	102	struct perf_session;
	103	int perf_event__process_stat_event(struct perf_tool *tool,
	104	union perf_event *event,
	105	struct perf_session *session);
e08a4564 JO	106
	107	size_t perf_event__fprintf_stat(union perf_event event, FILE fp);
	108	size_t perf_event__fprintf_stat_round(union perf_event event, FILE fp);
	109	size_t perf_event__fprintf_stat_config(union perf_event event, FILE fp);
0007ecea	110	#endif