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
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