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