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__TOPDOWN_RETIRING,
32 PERF_STAT_EVSEL_ID__TOPDOWN_BAD_SPEC,
33 PERF_STAT_EVSEL_ID__TOPDOWN_FE_BOUND,
34 PERF_STAT_EVSEL_ID__TOPDOWN_BE_BOUND,
35 PERF_STAT_EVSEL_ID__SMI_NUM,
36 PERF_STAT_EVSEL_ID__APERF,
37 PERF_STAT_EVSEL_ID__MAX,
38 };
39
40 struct perf_stat_evsel {
41 struct stats res_stats[3];
42 enum perf_stat_evsel_id id;
43 u64 *group_data;
44 };
45
46 enum aggr_mode {
47 AGGR_NONE,
48 AGGR_GLOBAL,
49 AGGR_SOCKET,
50 AGGR_DIE,
51 AGGR_CORE,
52 AGGR_THREAD,
53 AGGR_UNSET,
54 AGGR_NODE,
55 };
56
57 enum {
58 CTX_BIT_USER = 1 << 0,
59 CTX_BIT_KERNEL = 1 << 1,
60 CTX_BIT_HV = 1 << 2,
61 CTX_BIT_HOST = 1 << 3,
62 CTX_BIT_IDLE = 1 << 4,
63 CTX_BIT_MAX = 1 << 5,
64 };
65
66 #define NUM_CTX CTX_BIT_MAX
67
68 enum stat_type {
69 STAT_NONE = 0,
70 STAT_NSECS,
71 STAT_CYCLES,
72 STAT_STALLED_CYCLES_FRONT,
73 STAT_STALLED_CYCLES_BACK,
74 STAT_BRANCHES,
75 STAT_CACHEREFS,
76 STAT_L1_DCACHE,
77 STAT_L1_ICACHE,
78 STAT_LL_CACHE,
79 STAT_ITLB_CACHE,
80 STAT_DTLB_CACHE,
81 STAT_CYCLES_IN_TX,
82 STAT_TRANSACTION,
83 STAT_ELISION,
84 STAT_TOPDOWN_TOTAL_SLOTS,
85 STAT_TOPDOWN_SLOTS_ISSUED,
86 STAT_TOPDOWN_SLOTS_RETIRED,
87 STAT_TOPDOWN_FETCH_BUBBLES,
88 STAT_TOPDOWN_RECOVERY_BUBBLES,
89 STAT_TOPDOWN_RETIRING,
90 STAT_TOPDOWN_BAD_SPEC,
91 STAT_TOPDOWN_FE_BOUND,
92 STAT_TOPDOWN_BE_BOUND,
93 STAT_SMI_NUM,
94 STAT_APERF,
95 STAT_MAX
96 };
97
98 struct runtime_stat {
99 struct rblist value_list;
100 };
101
102 typedef int (*aggr_get_id_t)(struct perf_stat_config *config,
103 struct perf_cpu_map *m, int cpu);
104
105 struct perf_stat_config {
106 enum aggr_mode aggr_mode;
107 bool scale;
108 bool no_inherit;
109 bool identifier;
110 bool csv_output;
111 bool interval_clear;
112 bool metric_only;
113 bool null_run;
114 bool ru_display;
115 bool big_num;
116 bool no_merge;
117 bool walltime_run_table;
118 bool all_kernel;
119 bool all_user;
120 bool percore_show_thread;
121 bool summary;
122 bool metric_no_group;
123 bool metric_no_merge;
124 bool stop_read_counter;
125 FILE *output;
126 unsigned int interval;
127 unsigned int timeout;
128 int initial_delay;
129 unsigned int unit_width;
130 unsigned int metric_only_len;
131 int times;
132 int run_count;
133 int print_free_counters_hint;
134 int print_mixed_hw_group_error;
135 struct runtime_stat *stats;
136 int stats_num;
137 const char *csv_sep;
138 struct stats *walltime_nsecs_stats;
139 struct rusage ru_data;
140 struct perf_cpu_map *aggr_map;
141 aggr_get_id_t aggr_get_id;
142 struct perf_cpu_map *cpus_aggr_map;
143 u64 *walltime_run;
144 struct rblist metric_events;
145 int ctl_fd;
146 int ctl_fd_ack;
147 bool ctl_fd_close;
148 const char *cgroup_list;
149 };
150
151 void perf_stat__set_big_num(int set);
152
153 void update_stats(struct stats *stats, u64 val);
154 double avg_stats(struct stats *stats);
155 double stddev_stats(struct stats *stats);
156 double rel_stddev_stats(double stddev, double avg);
157
init_stats(struct stats * stats)158 static inline void init_stats(struct stats *stats)
159 {
160 stats->n = 0.0;
161 stats->mean = 0.0;
162 stats->M2 = 0.0;
163 stats->min = (u64) -1;
164 stats->max = 0;
165 }
166
167 struct evsel;
168 struct evlist;
169
170 struct perf_aggr_thread_value {
171 struct evsel *counter;
172 int id;
173 double uval;
174 u64 val;
175 u64 run;
176 u64 ena;
177 };
178
179 bool __perf_evsel_stat__is(struct evsel *evsel,
180 enum perf_stat_evsel_id id);
181
182 #define perf_stat_evsel__is(evsel, id) \
183 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
184
185 extern struct runtime_stat rt_stat;
186 extern struct stats walltime_nsecs_stats;
187
188 typedef void (*print_metric_t)(struct perf_stat_config *config,
189 void *ctx, const char *color, const char *unit,
190 const char *fmt, double val);
191 typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
192
193 void runtime_stat__init(struct runtime_stat *st);
194 void runtime_stat__exit(struct runtime_stat *st);
195 void perf_stat__init_shadow_stats(void);
196 void perf_stat__reset_shadow_stats(void);
197 void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
198 void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
199 int cpu, struct runtime_stat *st);
200 struct perf_stat_output_ctx {
201 void *ctx;
202 print_metric_t print_metric;
203 new_line_t new_line;
204 bool force_header;
205 };
206
207 void perf_stat__print_shadow_stats(struct perf_stat_config *config,
208 struct evsel *evsel,
209 double avg, int cpu,
210 struct perf_stat_output_ctx *out,
211 struct rblist *metric_events,
212 struct runtime_stat *st);
213 void perf_stat__collect_metric_expr(struct evlist *);
214
215 int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
216 void perf_evlist__free_stats(struct evlist *evlist);
217 void perf_evlist__reset_stats(struct evlist *evlist);
218 void perf_evlist__reset_prev_raw_counts(struct evlist *evlist);
219 void perf_evlist__copy_prev_raw_counts(struct evlist *evlist);
220 void perf_evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
221
222 int perf_stat_process_counter(struct perf_stat_config *config,
223 struct evsel *counter);
224 struct perf_tool;
225 union perf_event;
226 struct perf_session;
227 struct target;
228
229 int perf_event__process_stat_event(struct perf_session *session,
230 union perf_event *event);
231
232 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
233 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
234 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
235
236 int create_perf_stat_counter(struct evsel *evsel,
237 struct perf_stat_config *config,
238 struct target *target,
239 int cpu);
240 void
241 perf_evlist__print_counters(struct evlist *evlist,
242 struct perf_stat_config *config,
243 struct target *_target,
244 struct timespec *ts,
245 int argc, const char **argv);
246
247 struct metric_expr;
248 double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st);
249 #endif
250
