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
11 struct perf_cpu_map;
12 struct perf_stat_config;
13 struct timespec;
14
15 struct stats {
16 double n, mean, M2;
17 u64 max, min;
18 };
19
20 enum 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
36 struct perf_stat_evsel {
37 struct stats res_stats[3];
38 enum perf_stat_evsel_id id;
39 u64 *group_data;
40 };
41
42 enum aggr_mode {
43 AGGR_NONE,
44 AGGR_GLOBAL,
45 AGGR_SOCKET,
46 AGGR_DIE,
47 AGGR_CORE,
48 AGGR_THREAD,
49 AGGR_UNSET,
50 };
51
52 enum {
53 CTX_BIT_USER = 1 << 0,
54 CTX_BIT_KERNEL = 1 << 1,
55 CTX_BIT_HV = 1 << 2,
56 CTX_BIT_HOST = 1 << 3,
57 CTX_BIT_IDLE = 1 << 4,
58 CTX_BIT_MAX = 1 << 5,
59 };
60
61 #define NUM_CTX CTX_BIT_MAX
62
63 enum stat_type {
64 STAT_NONE = 0,
65 STAT_NSECS,
66 STAT_CYCLES,
67 STAT_STALLED_CYCLES_FRONT,
68 STAT_STALLED_CYCLES_BACK,
69 STAT_BRANCHES,
70 STAT_CACHEREFS,
71 STAT_L1_DCACHE,
72 STAT_L1_ICACHE,
73 STAT_LL_CACHE,
74 STAT_ITLB_CACHE,
75 STAT_DTLB_CACHE,
76 STAT_CYCLES_IN_TX,
77 STAT_TRANSACTION,
78 STAT_ELISION,
79 STAT_TOPDOWN_TOTAL_SLOTS,
80 STAT_TOPDOWN_SLOTS_ISSUED,
81 STAT_TOPDOWN_SLOTS_RETIRED,
82 STAT_TOPDOWN_FETCH_BUBBLES,
83 STAT_TOPDOWN_RECOVERY_BUBBLES,
84 STAT_SMI_NUM,
85 STAT_APERF,
86 STAT_MAX
87 };
88
89 struct runtime_stat {
90 struct rblist value_list;
91 };
92
93 typedef int (*aggr_get_id_t)(struct perf_stat_config *config,
94 struct perf_cpu_map *m, int cpu);
95
96 struct perf_stat_config {
97 enum aggr_mode aggr_mode;
98 bool scale;
99 bool no_inherit;
100 bool identifier;
101 bool csv_output;
102 bool interval_clear;
103 bool metric_only;
104 bool null_run;
105 bool ru_display;
106 bool big_num;
107 bool no_merge;
108 bool walltime_run_table;
109 FILE *output;
110 unsigned int interval;
111 unsigned int timeout;
112 unsigned int initial_delay;
113 unsigned int unit_width;
114 unsigned int metric_only_len;
115 int times;
116 int run_count;
117 int print_free_counters_hint;
118 int print_mixed_hw_group_error;
119 struct runtime_stat *stats;
120 int stats_num;
121 const char *csv_sep;
122 struct stats *walltime_nsecs_stats;
123 struct rusage ru_data;
124 struct perf_cpu_map *aggr_map;
125 aggr_get_id_t aggr_get_id;
126 struct perf_cpu_map *cpus_aggr_map;
127 u64 *walltime_run;
128 struct rblist metric_events;
129 };
130
131 void update_stats(struct stats *stats, u64 val);
132 double avg_stats(struct stats *stats);
133 double stddev_stats(struct stats *stats);
134 double rel_stddev_stats(double stddev, double avg);
135
init_stats(struct stats * stats)136 static inline void init_stats(struct stats *stats)
137 {
138 stats->n = 0.0;
139 stats->mean = 0.0;
140 stats->M2 = 0.0;
141 stats->min = (u64) -1;
142 stats->max = 0;
143 }
144
145 struct evsel;
146 struct evlist;
147
148 struct perf_aggr_thread_value {
149 struct evsel *counter;
150 int id;
151 double uval;
152 u64 val;
153 u64 run;
154 u64 ena;
155 };
156
157 bool __perf_evsel_stat__is(struct evsel *evsel,
158 enum perf_stat_evsel_id id);
159
160 #define perf_stat_evsel__is(evsel, id) \
161 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
162
163 extern struct runtime_stat rt_stat;
164 extern struct stats walltime_nsecs_stats;
165
166 typedef void (*print_metric_t)(struct perf_stat_config *config,
167 void *ctx, const char *color, const char *unit,
168 const char *fmt, double val);
169 typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
170
171 void runtime_stat__init(struct runtime_stat *st);
172 void runtime_stat__exit(struct runtime_stat *st);
173 void perf_stat__init_shadow_stats(void);
174 void perf_stat__reset_shadow_stats(void);
175 void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
176 void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
177 int cpu, struct runtime_stat *st);
178 struct perf_stat_output_ctx {
179 void *ctx;
180 print_metric_t print_metric;
181 new_line_t new_line;
182 bool force_header;
183 };
184
185 void perf_stat__print_shadow_stats(struct perf_stat_config *config,
186 struct evsel *evsel,
187 double avg, int cpu,
188 struct perf_stat_output_ctx *out,
189 struct rblist *metric_events,
190 struct runtime_stat *st);
191 void perf_stat__collect_metric_expr(struct evlist *);
192
193 int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
194 void perf_evlist__free_stats(struct evlist *evlist);
195 void perf_evlist__reset_stats(struct evlist *evlist);
196 void perf_evlist__reset_prev_raw_counts(struct evlist *evlist);
197
198 int perf_stat_process_counter(struct perf_stat_config *config,
199 struct evsel *counter);
200 struct perf_tool;
201 union perf_event;
202 struct perf_session;
203 struct target;
204
205 int perf_event__process_stat_event(struct perf_session *session,
206 union perf_event *event);
207
208 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
209 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
210 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
211
212 int create_perf_stat_counter(struct evsel *evsel,
213 struct perf_stat_config *config,
214 struct target *target);
215 void
216 perf_evlist__print_counters(struct evlist *evlist,
217 struct perf_stat_config *config,
218 struct target *_target,
219 struct timespec *ts,
220 int argc, const char **argv);
221 #endif
222
