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/time.h>
   9 #include <sys/resource.h>
  10 #include <sys/wait.h>
  11 #include "xyarray.h"
  12 #include "rblist.h"
  13 #include "perf.h"
  14 #include "event.h"
  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__SMI_NUM,
  33         PERF_STAT_EVSEL_ID__APERF,
  34         PERF_STAT_EVSEL_ID__MAX,
  35 };
  36
  37 struct perf_stat_evsel {
  38         struct stats             res_stats[3];
  39         enum perf_stat_evsel_id  id;
  40         u64                     *group_data;
  41 };
  42
  43 enum aggr_mode {
  44         AGGR_NONE,
  45         AGGR_GLOBAL,
  46         AGGR_SOCKET,
  47         AGGR_DIE,
  48         AGGR_CORE,
  49         AGGR_THREAD,
  50         AGGR_UNSET,
  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 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         FILE                    *output;
 111         unsigned int             interval;
 112         unsigned int             timeout;
 113         unsigned int             initial_delay;
 114         unsigned int             unit_width;
 115         unsigned int             metric_only_len;
 116         int                      times;
 117         int                      run_count;
 118         int                      print_free_counters_hint;
 119         int                      print_mixed_hw_group_error;
 120         struct runtime_stat     *stats;
 121         int                      stats_num;
 122         const char              *csv_sep;
 123         struct stats            *walltime_nsecs_stats;
 124         struct rusage            ru_data;
 125         struct cpu_map          *aggr_map;
 126         aggr_get_id_t            aggr_get_id;
 127         struct cpu_map          *cpus_aggr_map;
 128         u64                     *walltime_run;
 129         struct rblist            metric_events;
 130 };
 131
 132 void update_stats(struct stats *stats, u64 val);
 133 double avg_stats(struct stats *stats);
 134 double stddev_stats(struct stats *stats);
 135 double rel_stddev_stats(double stddev, double avg);
 136
 137 static inline void init_stats(struct stats *stats)
 138 {
 139         stats->n    = 0.0;
 140         stats->mean = 0.0;
 141         stats->M2   = 0.0;
 142         stats->min  = (u64) -1;
 143         stats->max  = 0;
 144 }
 145
 146 struct perf_evsel;
 147 struct perf_evlist;
 148
 149 struct perf_aggr_thread_value {
 150         struct perf_evsel *counter;
 151         int id;
 152         double uval;
 153         u64 val;
 154         u64 run;
 155         u64 ena;
 156 };
 157
 158 bool __perf_evsel_stat__is(struct perf_evsel *evsel,
 159                            enum perf_stat_evsel_id id);
 160
 161 #define perf_stat_evsel__is(evsel, id) \
 162         __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
 163
 164 extern struct runtime_stat rt_stat;
 165 extern struct stats walltime_nsecs_stats;
 166
 167 typedef void (*print_metric_t)(struct perf_stat_config *config,
 168                                void *ctx, const char *color, const char *unit,
 169                                const char *fmt, double val);
 170 typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
 171
 172 void runtime_stat__init(struct runtime_stat *st);
 173 void runtime_stat__exit(struct runtime_stat *st);
 174 void perf_stat__init_shadow_stats(void);
 175 void perf_stat__reset_shadow_stats(void);
 176 void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
 177 void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count,
 178                                     int cpu, struct runtime_stat *st);
 179 struct perf_stat_output_ctx {
 180         void *ctx;
 181         print_metric_t print_metric;
 182         new_line_t new_line;
 183         bool force_header;
 184 };
 185
 186 void perf_stat__print_shadow_stats(struct perf_stat_config *config,
 187                                    struct perf_evsel *evsel,
 188                                    double avg, int cpu,
 189                                    struct perf_stat_output_ctx *out,
 190                                    struct rblist *metric_events,
 191                                    struct runtime_stat *st);
 192 void perf_stat__collect_metric_expr(struct perf_evlist *);
 193
 194 int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
 195 void perf_evlist__free_stats(struct perf_evlist *evlist);
 196 void perf_evlist__reset_stats(struct perf_evlist *evlist);
 197
 198 int perf_stat_process_counter(struct perf_stat_config *config,
 199                               struct perf_evsel *counter);
 200 struct perf_tool;
 201 union perf_event;
 202 struct perf_session;
 203 int perf_event__process_stat_event(struct perf_session *session,
 204                                    union perf_event *event);
 205
 206 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
 207 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
 208 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
 209
 210 int create_perf_stat_counter(struct perf_evsel *evsel,
 211                              struct perf_stat_config *config,
 212                              struct target *target);
 213 int perf_stat_synthesize_config(struct perf_stat_config *config,
 214                                 struct perf_tool *tool,
 215                                 struct perf_evlist *evlist,
 216                                 perf_event__handler_t process,
 217                                 bool attrs);
 218 void
 219 perf_evlist__print_counters(struct perf_evlist *evlist,
 220                             struct perf_stat_config *config,
 221                             struct target *_target,
 222                             struct timespec *ts,
 223                             int argc, const char **argv);
 224 #endif