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
 12struct perf_cpu_map;
 13struct perf_stat_config;
 14struct timespec;
 15
 16struct stats {
 17	double n, mean, M2;
 18	u64 max, min;
 19};
 20
 21enum perf_stat_evsel_id {
 22	PERF_STAT_EVSEL_ID__NONE = 0,
 23	PERF_STAT_EVSEL_ID__CYCLES_IN_TX,
 24	PERF_STAT_EVSEL_ID__TRANSACTION_START,
 25	PERF_STAT_EVSEL_ID__ELISION_START,
 26	PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP,
 27	PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS,
 28	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED,
 29	PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED,
 30	PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES,
 31	PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES,
 32	PERF_STAT_EVSEL_ID__TOPDOWN_RETIRING,
 33	PERF_STAT_EVSEL_ID__TOPDOWN_BAD_SPEC,
 34	PERF_STAT_EVSEL_ID__TOPDOWN_FE_BOUND,
 35	PERF_STAT_EVSEL_ID__TOPDOWN_BE_BOUND,
 36	PERF_STAT_EVSEL_ID__TOPDOWN_HEAVY_OPS,
 37	PERF_STAT_EVSEL_ID__TOPDOWN_BR_MISPREDICT,
 38	PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_LAT,
 39	PERF_STAT_EVSEL_ID__TOPDOWN_MEM_BOUND,
 40	PERF_STAT_EVSEL_ID__SMI_NUM,
 41	PERF_STAT_EVSEL_ID__APERF,
 42	PERF_STAT_EVSEL_ID__MAX,
 43};
 44
 45struct perf_stat_evsel {
 46	struct stats		 res_stats[3];
 47	enum perf_stat_evsel_id	 id;
 48	u64			*group_data;
 49};
 50
 51enum aggr_mode {
 52	AGGR_NONE,
 53	AGGR_GLOBAL,
 54	AGGR_SOCKET,
 55	AGGR_DIE,
 56	AGGR_CORE,
 57	AGGR_THREAD,
 58	AGGR_UNSET,
 59	AGGR_NODE,
 60};
 61
 62enum {
 63	CTX_BIT_USER	= 1 << 0,
 64	CTX_BIT_KERNEL	= 1 << 1,
 65	CTX_BIT_HV	= 1 << 2,
 66	CTX_BIT_HOST	= 1 << 3,
 67	CTX_BIT_IDLE	= 1 << 4,
 68	CTX_BIT_MAX	= 1 << 5,
 69};
 70
 71#define NUM_CTX CTX_BIT_MAX
 72
 73enum stat_type {
 74	STAT_NONE = 0,
 75	STAT_NSECS,
 76	STAT_CYCLES,
 77	STAT_STALLED_CYCLES_FRONT,
 78	STAT_STALLED_CYCLES_BACK,
 79	STAT_BRANCHES,
 80	STAT_CACHEREFS,
 81	STAT_L1_DCACHE,
 82	STAT_L1_ICACHE,
 83	STAT_LL_CACHE,
 84	STAT_ITLB_CACHE,
 85	STAT_DTLB_CACHE,
 86	STAT_CYCLES_IN_TX,
 87	STAT_TRANSACTION,
 88	STAT_ELISION,
 89	STAT_TOPDOWN_TOTAL_SLOTS,
 90	STAT_TOPDOWN_SLOTS_ISSUED,
 91	STAT_TOPDOWN_SLOTS_RETIRED,
 92	STAT_TOPDOWN_FETCH_BUBBLES,
 93	STAT_TOPDOWN_RECOVERY_BUBBLES,
 94	STAT_TOPDOWN_RETIRING,
 95	STAT_TOPDOWN_BAD_SPEC,
 96	STAT_TOPDOWN_FE_BOUND,
 97	STAT_TOPDOWN_BE_BOUND,
 98	STAT_TOPDOWN_HEAVY_OPS,
 99	STAT_TOPDOWN_BR_MISPREDICT,
100	STAT_TOPDOWN_FETCH_LAT,
101	STAT_TOPDOWN_MEM_BOUND,
102	STAT_SMI_NUM,
103	STAT_APERF,
104	STAT_MAX
105};
106
107struct runtime_stat {
108	struct rblist value_list;
109};
110
111typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config,
112			     struct perf_cpu_map *m, int cpu);
113
114struct perf_stat_config {
115	enum aggr_mode		 aggr_mode;
116	bool			 scale;
117	bool			 no_inherit;
118	bool			 identifier;
119	bool			 csv_output;
120	bool			 interval_clear;
121	bool			 metric_only;
122	bool			 null_run;
123	bool			 ru_display;
124	bool			 big_num;
125	bool			 no_merge;
126	bool			 walltime_run_table;
127	bool			 all_kernel;
128	bool			 all_user;
129	bool			 percore_show_thread;
130	bool			 summary;
131	bool			 no_csv_summary;
132	bool			 metric_no_group;
133	bool			 metric_no_merge;
134	bool			 stop_read_counter;
135	bool			 quiet;
136	bool			 iostat_run;
137	FILE			*output;
138	unsigned int		 interval;
139	unsigned int		 timeout;
140	int			 initial_delay;
141	unsigned int		 unit_width;
142	unsigned int		 metric_only_len;
143	int			 times;
144	int			 run_count;
145	int			 print_free_counters_hint;
146	int			 print_mixed_hw_group_error;
147	struct runtime_stat	*stats;
148	int			 stats_num;
149	const char		*csv_sep;
150	struct stats		*walltime_nsecs_stats;
151	struct rusage		 ru_data;
152	struct cpu_aggr_map	*aggr_map;
153	aggr_get_id_t		 aggr_get_id;
154	struct cpu_aggr_map	*cpus_aggr_map;
155	u64			*walltime_run;
156	struct rblist		 metric_events;
157	int			 ctl_fd;
158	int			 ctl_fd_ack;
159	bool			 ctl_fd_close;
160	const char		*cgroup_list;
161	unsigned int		topdown_level;
162};
163
164void perf_stat__set_big_num(int set);
165void perf_stat__set_no_csv_summary(int set);
166
167void update_stats(struct stats *stats, u64 val);
168double avg_stats(struct stats *stats);
169double stddev_stats(struct stats *stats);
170double rel_stddev_stats(double stddev, double avg);
171
172static inline void init_stats(struct stats *stats)
173{
174	stats->n    = 0.0;
175	stats->mean = 0.0;
176	stats->M2   = 0.0;
177	stats->min  = (u64) -1;
178	stats->max  = 0;
179}
180
181struct evsel;
182struct evlist;
183
184struct perf_aggr_thread_value {
185	struct evsel *counter;
186	struct aggr_cpu_id id;
187	double uval;
188	u64 val;
189	u64 run;
190	u64 ena;
191};
192
193bool __perf_stat_evsel__is(struct evsel *evsel, enum perf_stat_evsel_id id);
194
195#define perf_stat_evsel__is(evsel, id) \
196	__perf_stat_evsel__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
197
198extern struct runtime_stat rt_stat;
199extern struct stats walltime_nsecs_stats;
200
201typedef void (*print_metric_t)(struct perf_stat_config *config,
202			       void *ctx, const char *color, const char *unit,
203			       const char *fmt, double val);
204typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
205
206void runtime_stat__init(struct runtime_stat *st);
207void runtime_stat__exit(struct runtime_stat *st);
208void perf_stat__init_shadow_stats(void);
209void perf_stat__reset_shadow_stats(void);
210void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
211void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
212				    int cpu, struct runtime_stat *st);
213struct perf_stat_output_ctx {
214	void *ctx;
215	print_metric_t print_metric;
216	new_line_t new_line;
217	bool force_header;
218};
219
220void perf_stat__print_shadow_stats(struct perf_stat_config *config,
221				   struct evsel *evsel,
222				   double avg, int cpu,
223				   struct perf_stat_output_ctx *out,
224				   struct rblist *metric_events,
225				   struct runtime_stat *st);
226void perf_stat__collect_metric_expr(struct evlist *);
227
228int evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
229void evlist__free_stats(struct evlist *evlist);
230void evlist__reset_stats(struct evlist *evlist);
231void evlist__reset_prev_raw_counts(struct evlist *evlist);
232void evlist__copy_prev_raw_counts(struct evlist *evlist);
233void evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
234
235int perf_stat_process_counter(struct perf_stat_config *config,
236			      struct evsel *counter);
237struct perf_tool;
238union perf_event;
239struct perf_session;
240struct target;
241
242int perf_event__process_stat_event(struct perf_session *session,
243				   union perf_event *event);
244
245size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
246size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
247size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
248
249int create_perf_stat_counter(struct evsel *evsel,
250			     struct perf_stat_config *config,
251			     struct target *target,
252			     int cpu);
253void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
254			    struct target *_target, struct timespec *ts, int argc, const char **argv);
255
256struct metric_expr;
257double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st);
258#endif