summaryrefslogtreecommitdiff
path: root/tools/perf/util/stat.h
blob: f8778cffd9419b9e43350717fa038485b40a91c3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_STATS_H
#define __PERF_STATS_H

#include <linux/types.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/resource.h>
#include "rblist.h"

struct perf_cpu_map;
struct perf_stat_config;
struct timespec;

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__SMI_NUM,
	PERF_STAT_EVSEL_ID__APERF,
	PERF_STAT_EVSEL_ID__MAX,
};

struct perf_stat_evsel {
	struct stats		 res_stats[3];
	enum perf_stat_evsel_id	 id;
	u64			*group_data;
};

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

enum {
	CTX_BIT_USER	= 1 << 0,
	CTX_BIT_KERNEL	= 1 << 1,
	CTX_BIT_HV	= 1 << 2,
	CTX_BIT_HOST	= 1 << 3,
	CTX_BIT_IDLE	= 1 << 4,
	CTX_BIT_MAX	= 1 << 5,
};

#define NUM_CTX CTX_BIT_MAX

enum stat_type {
	STAT_NONE = 0,
	STAT_NSECS,
	STAT_CYCLES,
	STAT_STALLED_CYCLES_FRONT,
	STAT_STALLED_CYCLES_BACK,
	STAT_BRANCHES,
	STAT_CACHEREFS,
	STAT_L1_DCACHE,
	STAT_L1_ICACHE,
	STAT_LL_CACHE,
	STAT_ITLB_CACHE,
	STAT_DTLB_CACHE,
	STAT_CYCLES_IN_TX,
	STAT_TRANSACTION,
	STAT_ELISION,
	STAT_TOPDOWN_TOTAL_SLOTS,
	STAT_TOPDOWN_SLOTS_ISSUED,
	STAT_TOPDOWN_SLOTS_RETIRED,
	STAT_TOPDOWN_FETCH_BUBBLES,
	STAT_TOPDOWN_RECOVERY_BUBBLES,
	STAT_SMI_NUM,
	STAT_APERF,
	STAT_MAX
};

struct runtime_stat {
	struct rblist value_list;
};

typedef int (*aggr_get_id_t)(struct perf_stat_config *config,
			     struct perf_cpu_map *m, int cpu);

struct perf_stat_config {
	enum aggr_mode		 aggr_mode;
	bool			 scale;
	bool			 no_inherit;
	bool			 identifier;
	bool			 csv_output;
	bool			 interval_clear;
	bool			 metric_only;
	bool			 null_run;
	bool			 ru_display;
	bool			 big_num;
	bool			 no_merge;
	bool			 walltime_run_table;
	bool			 all_kernel;
	bool			 all_user;
	bool			 percore_show_thread;
	bool			 summary;
	bool			 metric_no_group;
	bool			 metric_no_merge;
	FILE			*output;
	unsigned int		 interval;
	unsigned int		 timeout;
	int			 initial_delay;
	unsigned int		 unit_width;
	unsigned int		 metric_only_len;
	int			 times;
	int			 run_count;
	int			 print_free_counters_hint;
	int			 print_mixed_hw_group_error;
	struct runtime_stat	*stats;
	int			 stats_num;
	const char		*csv_sep;
	struct stats		*walltime_nsecs_stats;
	struct rusage		 ru_data;
	struct perf_cpu_map		*aggr_map;
	aggr_get_id_t		 aggr_get_id;
	struct perf_cpu_map		*cpus_aggr_map;
	u64			*walltime_run;
	struct rblist		 metric_events;
	int			 ctl_fd;
	int			 ctl_fd_ack;
};

void perf_stat__set_big_num(int set);

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 evsel;
struct evlist;

struct perf_aggr_thread_value {
	struct evsel *counter;
	int id;
	double uval;
	u64 val;
	u64 run;
	u64 ena;
};

bool __perf_evsel_stat__is(struct 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)

extern struct runtime_stat rt_stat;
extern struct stats walltime_nsecs_stats;

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

void runtime_stat__init(struct runtime_stat *st);
void runtime_stat__exit(struct runtime_stat *st);
void perf_stat__init_shadow_stats(void);
void perf_stat__reset_shadow_stats(void);
void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
				    int cpu, struct runtime_stat *st);
struct perf_stat_output_ctx {
	void *ctx;
	print_metric_t print_metric;
	new_line_t new_line;
	bool force_header;
};

void perf_stat__print_shadow_stats(struct perf_stat_config *config,
				   struct evsel *evsel,
				   double avg, int cpu,
				   struct perf_stat_output_ctx *out,
				   struct rblist *metric_events,
				   struct runtime_stat *st);
void perf_stat__collect_metric_expr(struct evlist *);

int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
void perf_evlist__free_stats(struct evlist *evlist);
void perf_evlist__reset_stats(struct evlist *evlist);
void perf_evlist__reset_prev_raw_counts(struct evlist *evlist);
void perf_evlist__copy_prev_raw_counts(struct evlist *evlist);
void perf_evlist__save_aggr_prev_raw_counts(struct evlist *evlist);

int perf_stat_process_counter(struct perf_stat_config *config,
			      struct evsel *counter);
struct perf_tool;
union perf_event;
struct perf_session;
struct target;

int perf_event__process_stat_event(struct perf_session *session,
				   union perf_event *event);

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);

int create_perf_stat_counter(struct evsel *evsel,
			     struct perf_stat_config *config,
			     struct target *target,
			     int cpu);
void
perf_evlist__print_counters(struct evlist *evlist,
			    struct perf_stat_config *config,
			    struct target *_target,
			    struct timespec *ts,
			    int argc, const char **argv);

struct metric_expr;
double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st);
#endif