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/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 FILE *output;
117 unsigned int interval;
118 unsigned int timeout;
119 int initial_delay;
120 unsigned int unit_width;
121 unsigned int metric_only_len;
122 int times;
123 int run_count;
124 int print_free_counters_hint;
125 int print_mixed_hw_group_error;
126 struct runtime_stat *stats;
127 int stats_num;
128 const char *csv_sep;
129 struct stats *walltime_nsecs_stats;
130 struct rusage ru_data;
131 struct perf_cpu_map *aggr_map;
132 aggr_get_id_t aggr_get_id;
133 struct perf_cpu_map *cpus_aggr_map;
134 u64 *walltime_run;
135 struct rblist metric_events;
136 int ctl_fd;
137 int ctl_fd_ack;
138};
139
140void perf_stat__set_big_num(int set);
141
142void update_stats(struct stats *stats, u64 val);
143double avg_stats(struct stats *stats);
144double stddev_stats(struct stats *stats);
145double rel_stddev_stats(double stddev, double avg);
146
147static inline void init_stats(struct stats *stats)
148{
149 stats->n = 0.0;
150 stats->mean = 0.0;
151 stats->M2 = 0.0;
152 stats->min = (u64) -1;
153 stats->max = 0;
154}
155
156struct evsel;
157struct evlist;
158
159struct perf_aggr_thread_value {
160 struct evsel *counter;
161 int id;
162 double uval;
163 u64 val;
164 u64 run;
165 u64 ena;
166};
167
168bool __perf_evsel_stat__is(struct evsel *evsel,
169 enum perf_stat_evsel_id id);
170
171#define perf_stat_evsel__is(evsel, id) \
172 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
173
174extern struct runtime_stat rt_stat;
175extern struct stats walltime_nsecs_stats;
176
177typedef void (*print_metric_t)(struct perf_stat_config *config,
178 void *ctx, const char *color, const char *unit,
179 const char *fmt, double val);
180typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
181
182void runtime_stat__init(struct runtime_stat *st);
183void runtime_stat__exit(struct runtime_stat *st);
184void perf_stat__init_shadow_stats(void);
185void perf_stat__reset_shadow_stats(void);
186void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
187void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
188 int cpu, struct runtime_stat *st);
189struct perf_stat_output_ctx {
190 void *ctx;
191 print_metric_t print_metric;
192 new_line_t new_line;
193 bool force_header;
194};
195
196void perf_stat__print_shadow_stats(struct perf_stat_config *config,
197 struct evsel *evsel,
198 double avg, int cpu,
199 struct perf_stat_output_ctx *out,
200 struct rblist *metric_events,
201 struct runtime_stat *st);
202void perf_stat__collect_metric_expr(struct evlist *);
203
204int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
205void perf_evlist__free_stats(struct evlist *evlist);
206void perf_evlist__reset_stats(struct evlist *evlist);
207void perf_evlist__reset_prev_raw_counts(struct evlist *evlist);
208void perf_evlist__copy_prev_raw_counts(struct evlist *evlist);
209void perf_evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
210
211int perf_stat_process_counter(struct perf_stat_config *config,
212 struct evsel *counter);
213struct perf_tool;
214union perf_event;
215struct perf_session;
216struct target;
217
218int perf_event__process_stat_event(struct perf_session *session,
219 union perf_event *event);
220
221size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
222size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
223size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
224
225int create_perf_stat_counter(struct evsel *evsel,
226 struct perf_stat_config *config,
227 struct target *target,
228 int cpu);
229void
230perf_evlist__print_counters(struct evlist *evlist,
231 struct perf_stat_config *config,
232 struct target *_target,
233 struct timespec *ts,
234 int argc, const char **argv);
235
236struct metric_expr;
237double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st);
238#endif