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
12 struct perf_cpu_map;
13 struct perf_stat_config;
14 struct timespec;
15
16 struct stats {
17 double n, mean, M2;
18 u64 max, min;
19 };
20
21 enum 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
45 struct perf_stat_evsel {
46 struct stats res_stats;
47 enum perf_stat_evsel_id id;
48 u64 *group_data;
49 };
50
51 enum 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 AGGR_MAX
61 };
62
63 enum {
64 CTX_BIT_USER = 1 << 0,
65 CTX_BIT_KERNEL = 1 << 1,
66 CTX_BIT_HV = 1 << 2,
67 CTX_BIT_HOST = 1 << 3,
68 CTX_BIT_IDLE = 1 << 4,
69 CTX_BIT_MAX = 1 << 5,
70 };
71
72 #define NUM_CTX CTX_BIT_MAX
73
74 enum stat_type {
75 STAT_NONE = 0,
76 STAT_NSECS,
77 STAT_CYCLES,
78 STAT_STALLED_CYCLES_FRONT,
79 STAT_STALLED_CYCLES_BACK,
80 STAT_BRANCHES,
81 STAT_CACHEREFS,
82 STAT_L1_DCACHE,
83 STAT_L1_ICACHE,
84 STAT_LL_CACHE,
85 STAT_ITLB_CACHE,
86 STAT_DTLB_CACHE,
87 STAT_CYCLES_IN_TX,
88 STAT_TRANSACTION,
89 STAT_ELISION,
90 STAT_TOPDOWN_TOTAL_SLOTS,
91 STAT_TOPDOWN_SLOTS_ISSUED,
92 STAT_TOPDOWN_SLOTS_RETIRED,
93 STAT_TOPDOWN_FETCH_BUBBLES,
94 STAT_TOPDOWN_RECOVERY_BUBBLES,
95 STAT_TOPDOWN_RETIRING,
96 STAT_TOPDOWN_BAD_SPEC,
97 STAT_TOPDOWN_FE_BOUND,
98 STAT_TOPDOWN_BE_BOUND,
99 STAT_TOPDOWN_HEAVY_OPS,
100 STAT_TOPDOWN_BR_MISPREDICT,
101 STAT_TOPDOWN_FETCH_LAT,
102 STAT_TOPDOWN_MEM_BOUND,
103 STAT_SMI_NUM,
104 STAT_APERF,
105 STAT_MAX
106 };
107
108 struct runtime_stat {
109 struct rblist value_list;
110 };
111
112 struct rusage_stats {
113 struct stats ru_utime_usec_stat;
114 struct stats ru_stime_usec_stat;
115 };
116
117 typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu cpu);
118
119 struct perf_stat_config {
120 enum aggr_mode aggr_mode;
121 bool scale;
122 bool no_inherit;
123 bool identifier;
124 bool csv_output;
125 bool json_output;
126 bool interval_clear;
127 bool metric_only;
128 bool null_run;
129 bool ru_display;
130 bool big_num;
131 bool no_merge;
132 bool hybrid_merge;
133 bool walltime_run_table;
134 bool all_kernel;
135 bool all_user;
136 bool percore_show_thread;
137 bool summary;
138 bool no_csv_summary;
139 bool metric_no_group;
140 bool metric_no_merge;
141 bool stop_read_counter;
142 bool iostat_run;
143 char *user_requested_cpu_list;
144 bool system_wide;
145 FILE *output;
146 unsigned int interval;
147 unsigned int timeout;
148 int initial_delay;
149 unsigned int unit_width;
150 unsigned int metric_only_len;
151 int times;
152 int run_count;
153 int print_free_counters_hint;
154 int print_mixed_hw_group_error;
155 const char *csv_sep;
156 struct stats *walltime_nsecs_stats;
157 struct rusage ru_data;
158 struct rusage_stats *ru_stats;
159 struct cpu_aggr_map *aggr_map;
160 aggr_get_id_t aggr_get_id;
161 struct cpu_aggr_map *cpus_aggr_map;
162 u64 *walltime_run;
163 struct rblist metric_events;
164 int ctl_fd;
165 int ctl_fd_ack;
166 bool ctl_fd_close;
167 const char *cgroup_list;
168 unsigned int topdown_level;
169 };
170
171 void perf_stat__set_big_num(int set);
172 void perf_stat__set_no_csv_summary(int set);
173
174 void update_stats(struct stats *stats, u64 val);
175 double avg_stats(struct stats *stats);
176 double stddev_stats(struct stats *stats);
177 double rel_stddev_stats(double stddev, double avg);
178
init_stats(struct stats * stats)179 static inline void init_stats(struct stats *stats)
180 {
181 stats->n = 0.0;
182 stats->mean = 0.0;
183 stats->M2 = 0.0;
184 stats->min = (u64) -1;
185 stats->max = 0;
186 }
187
init_rusage_stats(struct rusage_stats * ru_stats)188 static inline void init_rusage_stats(struct rusage_stats *ru_stats) {
189 init_stats(&ru_stats->ru_utime_usec_stat);
190 init_stats(&ru_stats->ru_stime_usec_stat);
191 }
192
update_rusage_stats(struct rusage_stats * ru_stats,struct rusage * rusage)193 static inline void update_rusage_stats(struct rusage_stats *ru_stats, struct rusage* rusage) {
194 const u64 us_to_ns = 1000;
195 const u64 s_to_ns = 1000000000;
196 update_stats(&ru_stats->ru_utime_usec_stat,
197 (rusage->ru_utime.tv_usec * us_to_ns + rusage->ru_utime.tv_sec * s_to_ns));
198 update_stats(&ru_stats->ru_stime_usec_stat,
199 (rusage->ru_stime.tv_usec * us_to_ns + rusage->ru_stime.tv_sec * s_to_ns));
200 }
201
202 struct evsel;
203 struct evlist;
204
205 struct perf_aggr_thread_value {
206 struct evsel *counter;
207 struct aggr_cpu_id id;
208 double uval;
209 u64 val;
210 u64 run;
211 u64 ena;
212 };
213
214 bool __perf_stat_evsel__is(struct evsel *evsel, enum perf_stat_evsel_id id);
215
216 #define perf_stat_evsel__is(evsel, id) \
217 __perf_stat_evsel__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
218
219 extern struct runtime_stat rt_stat;
220 extern struct stats walltime_nsecs_stats;
221 extern struct rusage_stats ru_stats;
222
223 typedef void (*print_metric_t)(struct perf_stat_config *config,
224 void *ctx, const char *color, const char *unit,
225 const char *fmt, double val);
226 typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
227
228 void runtime_stat__init(struct runtime_stat *st);
229 void runtime_stat__exit(struct runtime_stat *st);
230 void perf_stat__init_shadow_stats(void);
231 void perf_stat__reset_shadow_stats(void);
232 void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
233 void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
234 int map_idx, struct runtime_stat *st);
235 struct perf_stat_output_ctx {
236 void *ctx;
237 print_metric_t print_metric;
238 new_line_t new_line;
239 bool force_header;
240 };
241
242 void perf_stat__print_shadow_stats(struct perf_stat_config *config,
243 struct evsel *evsel,
244 double avg, int map_idx,
245 struct perf_stat_output_ctx *out,
246 struct rblist *metric_events,
247 struct runtime_stat *st);
248 void perf_stat__collect_metric_expr(struct evlist *);
249
250 int evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
251 void evlist__free_stats(struct evlist *evlist);
252 void evlist__reset_stats(struct evlist *evlist);
253 void evlist__reset_prev_raw_counts(struct evlist *evlist);
254 void evlist__copy_prev_raw_counts(struct evlist *evlist);
255 void evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
256
257 int perf_stat_process_counter(struct perf_stat_config *config,
258 struct evsel *counter);
259 struct perf_tool;
260 union perf_event;
261 struct perf_session;
262 struct target;
263
264 int perf_event__process_stat_event(struct perf_session *session,
265 union perf_event *event);
266
267 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
268 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
269 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
270
271 int create_perf_stat_counter(struct evsel *evsel,
272 struct perf_stat_config *config,
273 struct target *target,
274 int cpu_map_idx);
275 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
276 struct target *_target, struct timespec *ts, int argc, const char **argv);
277
278 struct metric_expr;
279 double test_generic_metric(struct metric_expr *mexp, int map_idx, struct runtime_stat *st);
280 #endif
281