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v4.17
  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 "xyarray.h"
 
 
  8#include "rblist.h"
 
  9
 10struct stats
 11{
 
 
 
 12	double n, mean, M2;
 13	u64 max, min;
 14};
 15
 16enum perf_stat_evsel_id {
 17	PERF_STAT_EVSEL_ID__NONE = 0,
 18	PERF_STAT_EVSEL_ID__CYCLES_IN_TX,
 19	PERF_STAT_EVSEL_ID__TRANSACTION_START,
 20	PERF_STAT_EVSEL_ID__ELISION_START,
 21	PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP,
 22	PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS,
 23	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED,
 24	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED,
 25	PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES,
 26	PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES,
 27	PERF_STAT_EVSEL_ID__SMI_NUM,
 28	PERF_STAT_EVSEL_ID__APERF,
 29	PERF_STAT_EVSEL_ID__MAX,
 30};
 31
 
 32struct perf_stat_evsel {
 33	struct stats		 res_stats[3];
 34	enum perf_stat_evsel_id	 id;
 
 
 
 
 
 35	u64			*group_data;
 36};
 37
 38enum aggr_mode {
 39	AGGR_NONE,
 40	AGGR_GLOBAL,
 41	AGGR_SOCKET,
 
 
 42	AGGR_CORE,
 43	AGGR_THREAD,
 44	AGGR_UNSET,
 
 
 45};
 46
 47enum {
 48	CTX_BIT_USER	= 1 << 0,
 49	CTX_BIT_KERNEL	= 1 << 1,
 50	CTX_BIT_HV	= 1 << 2,
 51	CTX_BIT_HOST	= 1 << 3,
 52	CTX_BIT_IDLE	= 1 << 4,
 53	CTX_BIT_MAX	= 1 << 5,
 54};
 55
 56#define NUM_CTX CTX_BIT_MAX
 57
 58enum stat_type {
 59	STAT_NONE = 0,
 60	STAT_NSECS,
 61	STAT_CYCLES,
 62	STAT_STALLED_CYCLES_FRONT,
 63	STAT_STALLED_CYCLES_BACK,
 64	STAT_BRANCHES,
 65	STAT_CACHEREFS,
 66	STAT_L1_DCACHE,
 67	STAT_L1_ICACHE,
 68	STAT_LL_CACHE,
 69	STAT_ITLB_CACHE,
 70	STAT_DTLB_CACHE,
 71	STAT_CYCLES_IN_TX,
 72	STAT_TRANSACTION,
 73	STAT_ELISION,
 74	STAT_TOPDOWN_TOTAL_SLOTS,
 75	STAT_TOPDOWN_SLOTS_ISSUED,
 76	STAT_TOPDOWN_SLOTS_RETIRED,
 77	STAT_TOPDOWN_FETCH_BUBBLES,
 78	STAT_TOPDOWN_RECOVERY_BUBBLES,
 79	STAT_SMI_NUM,
 80	STAT_APERF,
 81	STAT_MAX
 82};
 83
 84struct runtime_stat {
 85	struct rblist value_list;
 86};
 87
 88struct perf_stat_config {
 89	enum aggr_mode	aggr_mode;
 90	bool		scale;
 91	FILE		*output;
 92	unsigned int	interval;
 93	unsigned int	timeout;
 94	int		times;
 95	struct runtime_stat *stats;
 96	int		stats_num;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 97};
 98
 
 
 
 99void update_stats(struct stats *stats, u64 val);
100double avg_stats(struct stats *stats);
101double stddev_stats(struct stats *stats);
102double rel_stddev_stats(double stddev, double avg);
103
104static inline void init_stats(struct stats *stats)
105{
106	stats->n    = 0.0;
107	stats->mean = 0.0;
108	stats->M2   = 0.0;
109	stats->min  = (u64) -1;
110	stats->max  = 0;
111}
112
113struct perf_evsel;
114struct perf_evlist;
115
116struct perf_aggr_thread_value {
117	struct perf_evsel *counter;
118	int id;
119	double uval;
120	u64 val;
121	u64 run;
122	u64 ena;
123};
124
125bool __perf_evsel_stat__is(struct perf_evsel *evsel,
126			   enum perf_stat_evsel_id id);
 
 
 
 
 
 
127
128#define perf_stat_evsel__is(evsel, id) \
129	__perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
130
131extern struct runtime_stat rt_stat;
132extern struct stats walltime_nsecs_stats;
 
133
134typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit,
 
135			       const char *fmt, double val);
136typedef void (*new_line_t )(void *ctx);
 
 
 
 
137
138void runtime_stat__init(struct runtime_stat *st);
139void runtime_stat__exit(struct runtime_stat *st);
140void perf_stat__init_shadow_stats(void);
141void perf_stat__reset_shadow_stats(void);
142void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
143void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count,
144				    int cpu, struct runtime_stat *st);
145struct perf_stat_output_ctx {
146	void *ctx;
147	print_metric_t print_metric;
148	new_line_t new_line;
 
149	bool force_header;
150};
151
152void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
153				   double avg, int cpu,
 
154				   struct perf_stat_output_ctx *out,
155				   struct rblist *metric_events,
156				   struct runtime_stat *st);
157void perf_stat__collect_metric_expr(struct perf_evlist *);
158
159int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
160void perf_evlist__free_stats(struct perf_evlist *evlist);
161void perf_evlist__reset_stats(struct perf_evlist *evlist);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
162
163int perf_stat_process_counter(struct perf_stat_config *config,
164			      struct perf_evsel *counter);
 
 
 
165struct perf_tool;
166union perf_event;
167struct perf_session;
168int perf_event__process_stat_event(struct perf_tool *tool,
169				   union perf_event *event,
170				   struct perf_session *session);
 
171
172size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
173size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
174size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
 
 
 
 
 
 
 
 
 
 
175#endif
v6.8
  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
 22/* hold aggregated event info */
 23struct perf_stat_aggr {
 24	/* aggregated values */
 25	struct perf_counts_values	counts;
 26	/* number of entries (CPUs) aggregated */
 27	int				nr;
 28	/* whether any entry has failed to read/process event */
 29	bool				failed;
 30	/* to mark this data is processed already */
 31	bool				used;
 
 
 
 
 32};
 33
 34/* per-evsel event stats */
 35struct perf_stat_evsel {
 36	/* used for repeated runs */
 37	struct stats		 res_stats;
 38	/* number of allocated 'aggr' */
 39	int			 nr_aggr;
 40	/* aggregated event values */
 41	struct perf_stat_aggr	*aggr;
 42	/* used for group read */
 43	u64			*group_data;
 44};
 45
 46enum aggr_mode {
 47	AGGR_NONE,
 48	AGGR_GLOBAL,
 49	AGGR_SOCKET,
 50	AGGR_DIE,
 51	AGGR_CACHE,
 52	AGGR_CORE,
 53	AGGR_THREAD,
 54	AGGR_UNSET,
 55	AGGR_NODE,
 56	AGGR_MAX
 57};
 58
 59struct rusage_stats {
 60	struct stats ru_utime_usec_stat;
 61	struct stats ru_stime_usec_stat;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 62};
 63
 64typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu cpu);
 
 
 65
 66struct perf_stat_config {
 67	enum aggr_mode		 aggr_mode;
 68	u32			 aggr_level;
 69	bool			 scale;
 70	bool			 no_inherit;
 71	bool			 identifier;
 72	bool			 csv_output;
 73	bool			 json_output;
 74	bool			 interval_clear;
 75	bool			 metric_only;
 76	bool			 null_run;
 77	bool			 ru_display;
 78	bool			 big_num;
 79	bool			 hybrid_merge;
 80	bool			 walltime_run_table;
 81	bool			 all_kernel;
 82	bool			 all_user;
 83	bool			 percore_show_thread;
 84	bool			 summary;
 85	bool			 no_csv_summary;
 86	bool			 metric_no_group;
 87	bool			 metric_no_merge;
 88	bool			 metric_no_threshold;
 89	bool			 stop_read_counter;
 90	bool			 iostat_run;
 91	char			 *user_requested_cpu_list;
 92	bool			 system_wide;
 93	FILE			*output;
 94	unsigned int		 interval;
 95	unsigned int		 timeout;
 96	unsigned int		 unit_width;
 97	unsigned int		 metric_only_len;
 98	int			 times;
 99	int			 run_count;
100	int			 print_free_counters_hint;
101	int			 print_mixed_hw_group_error;
102	const char		*csv_sep;
103	struct stats		*walltime_nsecs_stats;
104	struct rusage		 ru_data;
105	struct rusage_stats		 *ru_stats;
106	struct cpu_aggr_map	*aggr_map;
107	aggr_get_id_t		 aggr_get_id;
108	struct cpu_aggr_map	*cpus_aggr_map;
109	u64			*walltime_run;
110	struct rblist		 metric_events;
111	int			 ctl_fd;
112	int			 ctl_fd_ack;
113	bool			 ctl_fd_close;
114	const char		*cgroup_list;
115	unsigned int		topdown_level;
116};
117
118void perf_stat__set_big_num(int set);
119void perf_stat__set_no_csv_summary(int set);
120
121void update_stats(struct stats *stats, u64 val);
122double avg_stats(struct stats *stats);
123double stddev_stats(struct stats *stats);
124double rel_stddev_stats(double stddev, double avg);
125
126static inline void init_stats(struct stats *stats)
127{
128	stats->n    = 0.0;
129	stats->mean = 0.0;
130	stats->M2   = 0.0;
131	stats->min  = (u64) -1;
132	stats->max  = 0;
133}
134
135static inline void init_rusage_stats(struct rusage_stats *ru_stats) {
136	init_stats(&ru_stats->ru_utime_usec_stat);
137	init_stats(&ru_stats->ru_stime_usec_stat);
138}
 
 
 
 
 
 
 
139
140static inline void update_rusage_stats(struct rusage_stats *ru_stats, struct rusage* rusage) {
141	const u64 us_to_ns = 1000;
142	const u64 s_to_ns = 1000000000;
143	update_stats(&ru_stats->ru_utime_usec_stat,
144	             (rusage->ru_utime.tv_usec * us_to_ns + rusage->ru_utime.tv_sec * s_to_ns));
145	update_stats(&ru_stats->ru_stime_usec_stat,
146	             (rusage->ru_stime.tv_usec * us_to_ns + rusage->ru_stime.tv_sec * s_to_ns));
147}
148
149struct evsel;
150struct evlist;
151
 
152extern struct stats walltime_nsecs_stats;
153extern struct rusage_stats ru_stats;
154
155typedef void (*print_metric_t)(struct perf_stat_config *config,
156			       void *ctx, const char *color, const char *unit,
157			       const char *fmt, double val);
158typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
159
160/* Used to print the display name of the Default metricgroup for now. */
161typedef void (*print_metricgroup_header_t)(struct perf_stat_config *config,
162					   void *ctx, const char *metricgroup_name);
163
 
 
 
164void perf_stat__reset_shadow_stats(void);
 
 
 
165struct perf_stat_output_ctx {
166	void *ctx;
167	print_metric_t print_metric;
168	new_line_t new_line;
169	print_metricgroup_header_t print_metricgroup_header;
170	bool force_header;
171};
172
173void perf_stat__print_shadow_stats(struct perf_stat_config *config,
174				   struct evsel *evsel,
175				   double avg, int aggr_idx,
176				   struct perf_stat_output_ctx *out,
177				   struct rblist *metric_events);
178bool perf_stat__skip_metric_event(struct evsel *evsel,
179				  struct rblist *metric_events,
180				  u64 ena, u64 run);
181void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config,
182						struct evsel *evsel,
183						int aggr_idx,
184						int *num,
185						void *from,
186						struct perf_stat_output_ctx *out,
187						struct rblist *metric_events);
188
189int evlist__alloc_stats(struct perf_stat_config *config,
190			struct evlist *evlist, bool alloc_raw);
191void evlist__free_stats(struct evlist *evlist);
192void evlist__reset_stats(struct evlist *evlist);
193void evlist__reset_prev_raw_counts(struct evlist *evlist);
194void evlist__copy_prev_raw_counts(struct evlist *evlist);
195void evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
196
197int evlist__alloc_aggr_stats(struct evlist *evlist, int nr_aggr);
198void evlist__reset_aggr_stats(struct evlist *evlist);
199void evlist__copy_res_stats(struct perf_stat_config *config, struct evlist *evlist);
200
201int perf_stat_process_counter(struct perf_stat_config *config,
202			      struct evsel *counter);
203void perf_stat_merge_counters(struct perf_stat_config *config, struct evlist *evlist);
204void perf_stat_process_percore(struct perf_stat_config *config, struct evlist *evlist);
205
206struct perf_tool;
207union perf_event;
208struct perf_session;
209struct target;
210
211int perf_event__process_stat_event(struct perf_session *session,
212				   union perf_event *event);
213
214size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
215size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
216size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
217
218int create_perf_stat_counter(struct evsel *evsel,
219			     struct perf_stat_config *config,
220			     struct target *target,
221			     int cpu_map_idx);
222void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
223			    struct target *_target, struct timespec *ts, int argc, const char **argv);
224
225struct metric_expr;
226double test_generic_metric(struct metric_expr *mexp, int aggr_idx);
227#endif