Linux Audio

Check our new training course

Loading...
v6.2
  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef __PERF_STATS_H
  3#define __PERF_STATS_H
  4
  5#include <linux/types.h>
  6#include <stdio.h>
  7#include <sys/types.h>
  8#include <sys/resource.h>
  9#include "cpumap.h"
 10#include "rblist.h"
 11#include "counts.h"
 12
 13struct perf_cpu_map;
 14struct perf_stat_config;
 15struct timespec;
 16
 17struct stats {
 18	double n, mean, M2;
 19	u64 max, min;
 20};
 21
 22enum perf_stat_evsel_id {
 23	PERF_STAT_EVSEL_ID__NONE = 0,
 24	PERF_STAT_EVSEL_ID__CYCLES_IN_TX,
 25	PERF_STAT_EVSEL_ID__TRANSACTION_START,
 26	PERF_STAT_EVSEL_ID__ELISION_START,
 27	PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP,
 28	PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS,
 29	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED,
 30	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED,
 31	PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES,
 32	PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES,
 33	PERF_STAT_EVSEL_ID__TOPDOWN_RETIRING,
 34	PERF_STAT_EVSEL_ID__TOPDOWN_BAD_SPEC,
 35	PERF_STAT_EVSEL_ID__TOPDOWN_FE_BOUND,
 36	PERF_STAT_EVSEL_ID__TOPDOWN_BE_BOUND,
 37	PERF_STAT_EVSEL_ID__TOPDOWN_HEAVY_OPS,
 38	PERF_STAT_EVSEL_ID__TOPDOWN_BR_MISPREDICT,
 39	PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_LAT,
 40	PERF_STAT_EVSEL_ID__TOPDOWN_MEM_BOUND,
 41	PERF_STAT_EVSEL_ID__SMI_NUM,
 42	PERF_STAT_EVSEL_ID__APERF,
 43	PERF_STAT_EVSEL_ID__MAX,
 44};
 45
 46/* hold aggregated event info */
 47struct perf_stat_aggr {
 48	/* aggregated values */
 49	struct perf_counts_values	counts;
 50	/* number of entries (CPUs) aggregated */
 51	int				nr;
 52	/* whether any entry has failed to read/process event */
 53	bool				failed;
 54	/* to mark this data is processed already */
 55	bool				used;
 56};
 57
 58/* per-evsel event stats */
 59struct perf_stat_evsel {
 60	/* used for repeated runs */
 61	struct stats		 res_stats;
 62	/* evsel id for quick check */
 63	enum perf_stat_evsel_id	 id;
 64	/* number of allocated 'aggr' */
 65	int			 nr_aggr;
 66	/* aggregated event values */
 67	struct perf_stat_aggr	*aggr;
 68	/* used for group read */
 69	u64			*group_data;
 70};
 71
 72enum aggr_mode {
 73	AGGR_NONE,
 74	AGGR_GLOBAL,
 75	AGGR_SOCKET,
 76	AGGR_DIE,
 77	AGGR_CORE,
 78	AGGR_THREAD,
 79	AGGR_UNSET,
 80	AGGR_NODE,
 81	AGGR_MAX
 82};
 83
 84enum {
 85	CTX_BIT_USER	= 1 << 0,
 86	CTX_BIT_KERNEL	= 1 << 1,
 87	CTX_BIT_HV	= 1 << 2,
 88	CTX_BIT_HOST	= 1 << 3,
 89	CTX_BIT_IDLE	= 1 << 4,
 90	CTX_BIT_MAX	= 1 << 5,
 91};
 92
 93#define NUM_CTX CTX_BIT_MAX
 94
 95enum stat_type {
 96	STAT_NONE = 0,
 97	STAT_NSECS,
 98	STAT_CYCLES,
 99	STAT_STALLED_CYCLES_FRONT,
100	STAT_STALLED_CYCLES_BACK,
101	STAT_BRANCHES,
102	STAT_CACHEREFS,
103	STAT_L1_DCACHE,
104	STAT_L1_ICACHE,
105	STAT_LL_CACHE,
106	STAT_ITLB_CACHE,
107	STAT_DTLB_CACHE,
108	STAT_CYCLES_IN_TX,
109	STAT_TRANSACTION,
110	STAT_ELISION,
111	STAT_TOPDOWN_TOTAL_SLOTS,
112	STAT_TOPDOWN_SLOTS_ISSUED,
113	STAT_TOPDOWN_SLOTS_RETIRED,
114	STAT_TOPDOWN_FETCH_BUBBLES,
115	STAT_TOPDOWN_RECOVERY_BUBBLES,
116	STAT_TOPDOWN_RETIRING,
117	STAT_TOPDOWN_BAD_SPEC,
118	STAT_TOPDOWN_FE_BOUND,
119	STAT_TOPDOWN_BE_BOUND,
120	STAT_TOPDOWN_HEAVY_OPS,
121	STAT_TOPDOWN_BR_MISPREDICT,
122	STAT_TOPDOWN_FETCH_LAT,
123	STAT_TOPDOWN_MEM_BOUND,
124	STAT_SMI_NUM,
125	STAT_APERF,
126	STAT_MAX
127};
128
129struct runtime_stat {
130	struct rblist value_list;
131};
132
133struct rusage_stats {
134	struct stats ru_utime_usec_stat;
135	struct stats ru_stime_usec_stat;
136};
137
138typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu cpu);
139
140struct perf_stat_config {
141	enum aggr_mode		 aggr_mode;
142	bool			 scale;
143	bool			 no_inherit;
144	bool			 identifier;
145	bool			 csv_output;
146	bool			 json_output;
147	bool			 interval_clear;
148	bool			 metric_only;
149	bool			 null_run;
150	bool			 ru_display;
151	bool			 big_num;
152	bool			 no_merge;
153	bool			 hybrid_merge;
154	bool			 walltime_run_table;
155	bool			 all_kernel;
156	bool			 all_user;
157	bool			 percore_show_thread;
158	bool			 summary;
159	bool			 no_csv_summary;
160	bool			 metric_no_group;
161	bool			 metric_no_merge;
162	bool			 stop_read_counter;
163	bool			 iostat_run;
164	char			 *user_requested_cpu_list;
165	bool			 system_wide;
166	FILE			*output;
167	unsigned int		 interval;
168	unsigned int		 timeout;
169	int			 initial_delay;
170	unsigned int		 unit_width;
171	unsigned int		 metric_only_len;
172	int			 times;
173	int			 run_count;
174	int			 print_free_counters_hint;
175	int			 print_mixed_hw_group_error;
 
 
176	const char		*csv_sep;
177	struct stats		*walltime_nsecs_stats;
178	struct rusage		 ru_data;
179	struct rusage_stats		 *ru_stats;
180	struct cpu_aggr_map	*aggr_map;
181	aggr_get_id_t		 aggr_get_id;
182	struct cpu_aggr_map	*cpus_aggr_map;
183	u64			*walltime_run;
184	struct rblist		 metric_events;
185	int			 ctl_fd;
186	int			 ctl_fd_ack;
187	bool			 ctl_fd_close;
188	const char		*cgroup_list;
189	unsigned int		topdown_level;
190};
191
192void perf_stat__set_big_num(int set);
193void perf_stat__set_no_csv_summary(int set);
194
195void update_stats(struct stats *stats, u64 val);
196double avg_stats(struct stats *stats);
197double stddev_stats(struct stats *stats);
198double rel_stddev_stats(double stddev, double avg);
199
200static inline void init_stats(struct stats *stats)
201{
202	stats->n    = 0.0;
203	stats->mean = 0.0;
204	stats->M2   = 0.0;
205	stats->min  = (u64) -1;
206	stats->max  = 0;
207}
208
209static inline void init_rusage_stats(struct rusage_stats *ru_stats) {
210	init_stats(&ru_stats->ru_utime_usec_stat);
211	init_stats(&ru_stats->ru_stime_usec_stat);
212}
213
214static inline void update_rusage_stats(struct rusage_stats *ru_stats, struct rusage* rusage) {
215	const u64 us_to_ns = 1000;
216	const u64 s_to_ns = 1000000000;
217	update_stats(&ru_stats->ru_utime_usec_stat,
218	             (rusage->ru_utime.tv_usec * us_to_ns + rusage->ru_utime.tv_sec * s_to_ns));
219	update_stats(&ru_stats->ru_stime_usec_stat,
220	             (rusage->ru_stime.tv_usec * us_to_ns + rusage->ru_stime.tv_sec * s_to_ns));
221}
222
223struct evsel;
224struct evlist;
225
226bool __perf_stat_evsel__is(struct evsel *evsel, enum perf_stat_evsel_id id);
 
 
 
 
 
 
 
 
 
 
227
228#define perf_stat_evsel__is(evsel, id) \
229	__perf_stat_evsel__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
230
231extern struct runtime_stat rt_stat;
232extern struct stats walltime_nsecs_stats;
233extern struct rusage_stats ru_stats;
234
235typedef void (*print_metric_t)(struct perf_stat_config *config,
236			       void *ctx, const char *color, const char *unit,
237			       const char *fmt, double val);
238typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
239
240void runtime_stat__init(struct runtime_stat *st);
241void runtime_stat__exit(struct runtime_stat *st);
242void perf_stat__init_shadow_stats(void);
243void perf_stat__reset_shadow_stats(void);
244void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
245void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
246				    int map_idx, struct runtime_stat *st);
247struct perf_stat_output_ctx {
248	void *ctx;
249	print_metric_t print_metric;
250	new_line_t new_line;
251	bool force_header;
252};
253
254void perf_stat__print_shadow_stats(struct perf_stat_config *config,
255				   struct evsel *evsel,
256				   double avg, int map_idx,
257				   struct perf_stat_output_ctx *out,
258				   struct rblist *metric_events,
259				   struct runtime_stat *st);
260void perf_stat__collect_metric_expr(struct evlist *);
261
262int evlist__alloc_stats(struct perf_stat_config *config,
263			struct evlist *evlist, bool alloc_raw);
264void evlist__free_stats(struct evlist *evlist);
265void evlist__reset_stats(struct evlist *evlist);
266void evlist__reset_prev_raw_counts(struct evlist *evlist);
267void evlist__copy_prev_raw_counts(struct evlist *evlist);
268void evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
269
270int evlist__alloc_aggr_stats(struct evlist *evlist, int nr_aggr);
271void evlist__reset_aggr_stats(struct evlist *evlist);
272
273int perf_stat_process_counter(struct perf_stat_config *config,
274			      struct evsel *counter);
275void perf_stat_merge_counters(struct perf_stat_config *config, struct evlist *evlist);
276void perf_stat_process_percore(struct perf_stat_config *config, struct evlist *evlist);
277void perf_stat_process_shadow_stats(struct perf_stat_config *config, struct evlist *evlist);
278
279struct perf_tool;
280union perf_event;
281struct perf_session;
282struct target;
283
284int perf_event__process_stat_event(struct perf_session *session,
285				   union perf_event *event);
286
287size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
288size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
289size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
290
291int create_perf_stat_counter(struct evsel *evsel,
292			     struct perf_stat_config *config,
293			     struct target *target,
294			     int cpu_map_idx);
295void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
296			    struct target *_target, struct timespec *ts, int argc, const char **argv);
 
 
 
 
297
298struct metric_expr;
299double test_generic_metric(struct metric_expr *mexp, int map_idx, struct runtime_stat *st);
300#endif
v5.9
  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef __PERF_STATS_H
  3#define __PERF_STATS_H
  4
  5#include <linux/types.h>
  6#include <stdio.h>
  7#include <sys/types.h>
  8#include <sys/resource.h>
 
  9#include "rblist.h"
 
 10
 11struct perf_cpu_map;
 12struct perf_stat_config;
 13struct timespec;
 14
 15struct stats {
 16	double n, mean, M2;
 17	u64 max, min;
 18};
 19
 20enum perf_stat_evsel_id {
 21	PERF_STAT_EVSEL_ID__NONE = 0,
 22	PERF_STAT_EVSEL_ID__CYCLES_IN_TX,
 23	PERF_STAT_EVSEL_ID__TRANSACTION_START,
 24	PERF_STAT_EVSEL_ID__ELISION_START,
 25	PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP,
 26	PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS,
 27	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED,
 28	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED,
 29	PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES,
 30	PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES,
 
 
 
 
 
 
 
 
 31	PERF_STAT_EVSEL_ID__SMI_NUM,
 32	PERF_STAT_EVSEL_ID__APERF,
 33	PERF_STAT_EVSEL_ID__MAX,
 34};
 35
 
 
 
 
 
 
 
 
 
 
 
 
 
 36struct perf_stat_evsel {
 37	struct stats		 res_stats[3];
 
 
 38	enum perf_stat_evsel_id	 id;
 
 
 
 
 
 39	u64			*group_data;
 40};
 41
 42enum aggr_mode {
 43	AGGR_NONE,
 44	AGGR_GLOBAL,
 45	AGGR_SOCKET,
 46	AGGR_DIE,
 47	AGGR_CORE,
 48	AGGR_THREAD,
 49	AGGR_UNSET,
 50	AGGR_NODE,
 
 51};
 52
 53enum {
 54	CTX_BIT_USER	= 1 << 0,
 55	CTX_BIT_KERNEL	= 1 << 1,
 56	CTX_BIT_HV	= 1 << 2,
 57	CTX_BIT_HOST	= 1 << 3,
 58	CTX_BIT_IDLE	= 1 << 4,
 59	CTX_BIT_MAX	= 1 << 5,
 60};
 61
 62#define NUM_CTX CTX_BIT_MAX
 63
 64enum stat_type {
 65	STAT_NONE = 0,
 66	STAT_NSECS,
 67	STAT_CYCLES,
 68	STAT_STALLED_CYCLES_FRONT,
 69	STAT_STALLED_CYCLES_BACK,
 70	STAT_BRANCHES,
 71	STAT_CACHEREFS,
 72	STAT_L1_DCACHE,
 73	STAT_L1_ICACHE,
 74	STAT_LL_CACHE,
 75	STAT_ITLB_CACHE,
 76	STAT_DTLB_CACHE,
 77	STAT_CYCLES_IN_TX,
 78	STAT_TRANSACTION,
 79	STAT_ELISION,
 80	STAT_TOPDOWN_TOTAL_SLOTS,
 81	STAT_TOPDOWN_SLOTS_ISSUED,
 82	STAT_TOPDOWN_SLOTS_RETIRED,
 83	STAT_TOPDOWN_FETCH_BUBBLES,
 84	STAT_TOPDOWN_RECOVERY_BUBBLES,
 
 
 
 
 
 
 
 
 85	STAT_SMI_NUM,
 86	STAT_APERF,
 87	STAT_MAX
 88};
 89
 90struct runtime_stat {
 91	struct rblist value_list;
 92};
 93
 94typedef int (*aggr_get_id_t)(struct perf_stat_config *config,
 95			     struct perf_cpu_map *m, int cpu);
 
 
 
 
 96
 97struct perf_stat_config {
 98	enum aggr_mode		 aggr_mode;
 99	bool			 scale;
100	bool			 no_inherit;
101	bool			 identifier;
102	bool			 csv_output;
 
103	bool			 interval_clear;
104	bool			 metric_only;
105	bool			 null_run;
106	bool			 ru_display;
107	bool			 big_num;
108	bool			 no_merge;
 
109	bool			 walltime_run_table;
110	bool			 all_kernel;
111	bool			 all_user;
112	bool			 percore_show_thread;
113	bool			 summary;
 
114	bool			 metric_no_group;
115	bool			 metric_no_merge;
116	bool			 stop_read_counter;
 
 
 
117	FILE			*output;
118	unsigned int		 interval;
119	unsigned int		 timeout;
120	int			 initial_delay;
121	unsigned int		 unit_width;
122	unsigned int		 metric_only_len;
123	int			 times;
124	int			 run_count;
125	int			 print_free_counters_hint;
126	int			 print_mixed_hw_group_error;
127	struct runtime_stat	*stats;
128	int			 stats_num;
129	const char		*csv_sep;
130	struct stats		*walltime_nsecs_stats;
131	struct rusage		 ru_data;
132	struct perf_cpu_map		*aggr_map;
 
133	aggr_get_id_t		 aggr_get_id;
134	struct perf_cpu_map		*cpus_aggr_map;
135	u64			*walltime_run;
136	struct rblist		 metric_events;
137	int			 ctl_fd;
138	int			 ctl_fd_ack;
 
 
 
139};
140
141void perf_stat__set_big_num(int set);
 
142
143void update_stats(struct stats *stats, u64 val);
144double avg_stats(struct stats *stats);
145double stddev_stats(struct stats *stats);
146double rel_stddev_stats(double stddev, double avg);
147
148static inline void init_stats(struct stats *stats)
149{
150	stats->n    = 0.0;
151	stats->mean = 0.0;
152	stats->M2   = 0.0;
153	stats->min  = (u64) -1;
154	stats->max  = 0;
155}
156
 
 
 
 
 
 
 
 
 
 
 
 
 
 
157struct evsel;
158struct evlist;
159
160struct perf_aggr_thread_value {
161	struct evsel *counter;
162	int id;
163	double uval;
164	u64 val;
165	u64 run;
166	u64 ena;
167};
168
169bool __perf_evsel_stat__is(struct evsel *evsel,
170			   enum perf_stat_evsel_id id);
171
172#define perf_stat_evsel__is(evsel, id) \
173	__perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
174
175extern struct runtime_stat rt_stat;
176extern struct stats walltime_nsecs_stats;
 
177
178typedef void (*print_metric_t)(struct perf_stat_config *config,
179			       void *ctx, const char *color, const char *unit,
180			       const char *fmt, double val);
181typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
182
183void runtime_stat__init(struct runtime_stat *st);
184void runtime_stat__exit(struct runtime_stat *st);
185void perf_stat__init_shadow_stats(void);
186void perf_stat__reset_shadow_stats(void);
187void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
188void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
189				    int cpu, struct runtime_stat *st);
190struct perf_stat_output_ctx {
191	void *ctx;
192	print_metric_t print_metric;
193	new_line_t new_line;
194	bool force_header;
195};
196
197void perf_stat__print_shadow_stats(struct perf_stat_config *config,
198				   struct evsel *evsel,
199				   double avg, int cpu,
200				   struct perf_stat_output_ctx *out,
201				   struct rblist *metric_events,
202				   struct runtime_stat *st);
203void perf_stat__collect_metric_expr(struct evlist *);
204
205int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
206void perf_evlist__free_stats(struct evlist *evlist);
207void perf_evlist__reset_stats(struct evlist *evlist);
208void perf_evlist__reset_prev_raw_counts(struct evlist *evlist);
209void perf_evlist__copy_prev_raw_counts(struct evlist *evlist);
210void perf_evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
 
 
 
 
211
212int perf_stat_process_counter(struct perf_stat_config *config,
213			      struct evsel *counter);
 
 
 
 
214struct perf_tool;
215union perf_event;
216struct perf_session;
217struct target;
218
219int perf_event__process_stat_event(struct perf_session *session,
220				   union perf_event *event);
221
222size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
223size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
224size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
225
226int create_perf_stat_counter(struct evsel *evsel,
227			     struct perf_stat_config *config,
228			     struct target *target,
229			     int cpu);
230void
231perf_evlist__print_counters(struct evlist *evlist,
232			    struct perf_stat_config *config,
233			    struct target *_target,
234			    struct timespec *ts,
235			    int argc, const char **argv);
236
237struct metric_expr;
238double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st);
239#endif