Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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/time.h>
9#include <sys/resource.h>
10#include <sys/wait.h>
11#include "xyarray.h"
12#include "rblist.h"
13#include "perf.h"
14#include "event.h"
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__SMI_NUM,
33 PERF_STAT_EVSEL_ID__APERF,
34 PERF_STAT_EVSEL_ID__MAX,
35};
36
37struct perf_stat_evsel {
38 struct stats res_stats[3];
39 enum perf_stat_evsel_id id;
40 u64 *group_data;
41};
42
43enum aggr_mode {
44 AGGR_NONE,
45 AGGR_GLOBAL,
46 AGGR_SOCKET,
47 AGGR_DIE,
48 AGGR_CORE,
49 AGGR_THREAD,
50 AGGR_UNSET,
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 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 FILE *output;
111 unsigned int interval;
112 unsigned int timeout;
113 unsigned int initial_delay;
114 unsigned int unit_width;
115 unsigned int metric_only_len;
116 int times;
117 int run_count;
118 int print_free_counters_hint;
119 int print_mixed_hw_group_error;
120 struct runtime_stat *stats;
121 int stats_num;
122 const char *csv_sep;
123 struct stats *walltime_nsecs_stats;
124 struct rusage ru_data;
125 struct cpu_map *aggr_map;
126 aggr_get_id_t aggr_get_id;
127 struct cpu_map *cpus_aggr_map;
128 u64 *walltime_run;
129 struct rblist metric_events;
130};
131
132void update_stats(struct stats *stats, u64 val);
133double avg_stats(struct stats *stats);
134double stddev_stats(struct stats *stats);
135double rel_stddev_stats(double stddev, double avg);
136
137static inline void init_stats(struct stats *stats)
138{
139 stats->n = 0.0;
140 stats->mean = 0.0;
141 stats->M2 = 0.0;
142 stats->min = (u64) -1;
143 stats->max = 0;
144}
145
146struct perf_evsel;
147struct perf_evlist;
148
149struct perf_aggr_thread_value {
150 struct perf_evsel *counter;
151 int id;
152 double uval;
153 u64 val;
154 u64 run;
155 u64 ena;
156};
157
158bool __perf_evsel_stat__is(struct perf_evsel *evsel,
159 enum perf_stat_evsel_id id);
160
161#define perf_stat_evsel__is(evsel, id) \
162 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
163
164extern struct runtime_stat rt_stat;
165extern struct stats walltime_nsecs_stats;
166
167typedef void (*print_metric_t)(struct perf_stat_config *config,
168 void *ctx, const char *color, const char *unit,
169 const char *fmt, double val);
170typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
171
172void runtime_stat__init(struct runtime_stat *st);
173void runtime_stat__exit(struct runtime_stat *st);
174void perf_stat__init_shadow_stats(void);
175void perf_stat__reset_shadow_stats(void);
176void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
177void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count,
178 int cpu, struct runtime_stat *st);
179struct perf_stat_output_ctx {
180 void *ctx;
181 print_metric_t print_metric;
182 new_line_t new_line;
183 bool force_header;
184};
185
186void perf_stat__print_shadow_stats(struct perf_stat_config *config,
187 struct perf_evsel *evsel,
188 double avg, int cpu,
189 struct perf_stat_output_ctx *out,
190 struct rblist *metric_events,
191 struct runtime_stat *st);
192void perf_stat__collect_metric_expr(struct perf_evlist *);
193
194int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
195void perf_evlist__free_stats(struct perf_evlist *evlist);
196void perf_evlist__reset_stats(struct perf_evlist *evlist);
197
198int perf_stat_process_counter(struct perf_stat_config *config,
199 struct perf_evsel *counter);
200struct perf_tool;
201union perf_event;
202struct perf_session;
203int perf_event__process_stat_event(struct perf_session *session,
204 union perf_event *event);
205
206size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
207size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
208size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
209
210int create_perf_stat_counter(struct perf_evsel *evsel,
211 struct perf_stat_config *config,
212 struct target *target);
213int perf_stat_synthesize_config(struct perf_stat_config *config,
214 struct perf_tool *tool,
215 struct perf_evlist *evlist,
216 perf_event__handler_t process,
217 bool attrs);
218void
219perf_evlist__print_counters(struct perf_evlist *evlist,
220 struct perf_stat_config *config,
221 struct target *_target,
222 struct timespec *ts,
223 int argc, const char **argv);
224#endif