Linux kernel mirror (for testing)
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linux
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
111struct rusage_stats {
112 struct stats ru_utime_usec_stat;
113 struct stats ru_stime_usec_stat;
114};
115
116typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu cpu);
117
118struct perf_stat_config {
119 enum aggr_mode aggr_mode;
120 bool scale;
121 bool no_inherit;
122 bool identifier;
123 bool csv_output;
124 bool interval_clear;
125 bool metric_only;
126 bool null_run;
127 bool ru_display;
128 bool big_num;
129 bool no_merge;
130 bool hybrid_merge;
131 bool walltime_run_table;
132 bool all_kernel;
133 bool all_user;
134 bool percore_show_thread;
135 bool summary;
136 bool no_csv_summary;
137 bool metric_no_group;
138 bool metric_no_merge;
139 bool stop_read_counter;
140 bool quiet;
141 bool iostat_run;
142 FILE *output;
143 unsigned int interval;
144 unsigned int timeout;
145 int initial_delay;
146 unsigned int unit_width;
147 unsigned int metric_only_len;
148 int times;
149 int run_count;
150 int print_free_counters_hint;
151 int print_mixed_hw_group_error;
152 struct runtime_stat *stats;
153 int stats_num;
154 const char *csv_sep;
155 struct stats *walltime_nsecs_stats;
156 struct rusage ru_data;
157 struct rusage_stats *ru_stats;
158 struct cpu_aggr_map *aggr_map;
159 aggr_get_id_t aggr_get_id;
160 struct cpu_aggr_map *cpus_aggr_map;
161 u64 *walltime_run;
162 struct rblist metric_events;
163 int ctl_fd;
164 int ctl_fd_ack;
165 bool ctl_fd_close;
166 const char *cgroup_list;
167 unsigned int topdown_level;
168};
169
170void perf_stat__set_big_num(int set);
171void perf_stat__set_no_csv_summary(int set);
172
173void update_stats(struct stats *stats, u64 val);
174double avg_stats(struct stats *stats);
175double stddev_stats(struct stats *stats);
176double rel_stddev_stats(double stddev, double avg);
177
178static inline void init_stats(struct stats *stats)
179{
180 stats->n = 0.0;
181 stats->mean = 0.0;
182 stats->M2 = 0.0;
183 stats->min = (u64) -1;
184 stats->max = 0;
185}
186
187static inline void init_rusage_stats(struct rusage_stats *ru_stats) {
188 init_stats(&ru_stats->ru_utime_usec_stat);
189 init_stats(&ru_stats->ru_stime_usec_stat);
190}
191
192static inline void update_rusage_stats(struct rusage_stats *ru_stats, struct rusage* rusage) {
193 const u64 us_to_ns = 1000;
194 const u64 s_to_ns = 1000000000;
195 update_stats(&ru_stats->ru_utime_usec_stat,
196 (rusage->ru_utime.tv_usec * us_to_ns + rusage->ru_utime.tv_sec * s_to_ns));
197 update_stats(&ru_stats->ru_stime_usec_stat,
198 (rusage->ru_stime.tv_usec * us_to_ns + rusage->ru_stime.tv_sec * s_to_ns));
199}
200
201struct evsel;
202struct evlist;
203
204struct perf_aggr_thread_value {
205 struct evsel *counter;
206 struct aggr_cpu_id id;
207 double uval;
208 u64 val;
209 u64 run;
210 u64 ena;
211};
212
213bool __perf_stat_evsel__is(struct evsel *evsel, enum perf_stat_evsel_id id);
214
215#define perf_stat_evsel__is(evsel, id) \
216 __perf_stat_evsel__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
217
218extern struct runtime_stat rt_stat;
219extern struct stats walltime_nsecs_stats;
220extern struct rusage_stats ru_stats;
221
222typedef void (*print_metric_t)(struct perf_stat_config *config,
223 void *ctx, const char *color, const char *unit,
224 const char *fmt, double val);
225typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
226
227void runtime_stat__init(struct runtime_stat *st);
228void runtime_stat__exit(struct runtime_stat *st);
229void perf_stat__init_shadow_stats(void);
230void perf_stat__reset_shadow_stats(void);
231void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
232void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
233 int cpu_map_idx, struct runtime_stat *st);
234struct perf_stat_output_ctx {
235 void *ctx;
236 print_metric_t print_metric;
237 new_line_t new_line;
238 bool force_header;
239};
240
241void perf_stat__print_shadow_stats(struct perf_stat_config *config,
242 struct evsel *evsel,
243 double avg, int cpu,
244 struct perf_stat_output_ctx *out,
245 struct rblist *metric_events,
246 struct runtime_stat *st);
247void perf_stat__collect_metric_expr(struct evlist *);
248
249int evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
250void evlist__free_stats(struct evlist *evlist);
251void evlist__reset_stats(struct evlist *evlist);
252void evlist__reset_prev_raw_counts(struct evlist *evlist);
253void evlist__copy_prev_raw_counts(struct evlist *evlist);
254void evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
255
256int perf_stat_process_counter(struct perf_stat_config *config,
257 struct evsel *counter);
258struct perf_tool;
259union perf_event;
260struct perf_session;
261struct target;
262
263int perf_event__process_stat_event(struct perf_session *session,
264 union perf_event *event);
265
266size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
267size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
268size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
269
270int create_perf_stat_counter(struct evsel *evsel,
271 struct perf_stat_config *config,
272 struct target *target,
273 int cpu_map_idx);
274void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
275 struct target *_target, struct timespec *ts, int argc, const char **argv);
276
277struct metric_expr;
278double test_generic_metric(struct metric_expr *mexp, int cpu_map_idx, struct runtime_stat *st);
279#endif