Merge tag 'pwm/for-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry...
[linux-2.6-microblaze.git] / tools / perf / util / stat.h
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         AGGR_NODE,
51 };
52
53 enum {
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
64 enum 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
90 struct runtime_stat {
91         struct rblist value_list;
92 };
93
94 typedef int (*aggr_get_id_t)(struct perf_stat_config *config,
95                              struct perf_cpu_map *m, int cpu);
96
97 struct 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
140 void perf_stat__set_big_num(int set);
141
142 void update_stats(struct stats *stats, u64 val);
143 double avg_stats(struct stats *stats);
144 double stddev_stats(struct stats *stats);
145 double rel_stddev_stats(double stddev, double avg);
146
147 static 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
156 struct evsel;
157 struct evlist;
158
159 struct 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
168 bool __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
174 extern struct runtime_stat rt_stat;
175 extern struct stats walltime_nsecs_stats;
176
177 typedef void (*print_metric_t)(struct perf_stat_config *config,
178                                void *ctx, const char *color, const char *unit,
179                                const char *fmt, double val);
180 typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
181
182 void runtime_stat__init(struct runtime_stat *st);
183 void runtime_stat__exit(struct runtime_stat *st);
184 void perf_stat__init_shadow_stats(void);
185 void perf_stat__reset_shadow_stats(void);
186 void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
187 void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
188                                     int cpu, struct runtime_stat *st);
189 struct 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
196 void 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);
202 void perf_stat__collect_metric_expr(struct evlist *);
203
204 int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
205 void perf_evlist__free_stats(struct evlist *evlist);
206 void perf_evlist__reset_stats(struct evlist *evlist);
207 void perf_evlist__reset_prev_raw_counts(struct evlist *evlist);
208 void perf_evlist__copy_prev_raw_counts(struct evlist *evlist);
209 void perf_evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
210
211 int perf_stat_process_counter(struct perf_stat_config *config,
212                               struct evsel *counter);
213 struct perf_tool;
214 union perf_event;
215 struct perf_session;
216 struct target;
217
218 int perf_event__process_stat_event(struct perf_session *session,
219                                    union perf_event *event);
220
221 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
222 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
223 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
224
225 int create_perf_stat_counter(struct evsel *evsel,
226                              struct perf_stat_config *config,
227                              struct target *target,
228                              int cpu);
229 void
230 perf_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
236 struct metric_expr;
237 double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st);
238 #endif