linux/tools/perf/util/stat.h
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   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
  11struct perf_cpu_map;
  12struct perf_stat_config;
  13struct timespec;
  14
  15struct stats {
  16        double n, mean, M2;
  17        u64 max, min;
  18};
  19
  20enum 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
  40struct perf_stat_evsel {
  41        struct stats             res_stats[3];
  42        enum perf_stat_evsel_id  id;
  43        u64                     *group_data;
  44};
  45
  46enum 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
  57enum {
  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
  68enum 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
  98struct runtime_stat {
  99        struct rblist value_list;
 100};
 101
 102typedef int (*aggr_get_id_t)(struct perf_stat_config *config,
 103                             struct perf_cpu_map *m, int cpu);
 104
 105struct 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
 151void perf_stat__set_big_num(int set);
 152
 153void update_stats(struct stats *stats, u64 val);
 154double avg_stats(struct stats *stats);
 155double stddev_stats(struct stats *stats);
 156double rel_stddev_stats(double stddev, double avg);
 157
 158static 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
 167struct evsel;
 168struct evlist;
 169
 170struct 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
 179bool __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
 185extern struct runtime_stat rt_stat;
 186extern struct stats walltime_nsecs_stats;
 187
 188typedef void (*print_metric_t)(struct perf_stat_config *config,
 189                               void *ctx, const char *color, const char *unit,
 190                               const char *fmt, double val);
 191typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx);
 192
 193void runtime_stat__init(struct runtime_stat *st);
 194void runtime_stat__exit(struct runtime_stat *st);
 195void perf_stat__init_shadow_stats(void);
 196void perf_stat__reset_shadow_stats(void);
 197void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
 198void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
 199                                    int cpu, struct runtime_stat *st);
 200struct 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
 207void 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);
 213void perf_stat__collect_metric_expr(struct evlist *);
 214
 215int perf_evlist__alloc_stats(struct evlist *evlist, bool alloc_raw);
 216void perf_evlist__free_stats(struct evlist *evlist);
 217void perf_evlist__reset_stats(struct evlist *evlist);
 218void perf_evlist__reset_prev_raw_counts(struct evlist *evlist);
 219void perf_evlist__copy_prev_raw_counts(struct evlist *evlist);
 220void perf_evlist__save_aggr_prev_raw_counts(struct evlist *evlist);
 221
 222int perf_stat_process_counter(struct perf_stat_config *config,
 223                              struct evsel *counter);
 224struct perf_tool;
 225union perf_event;
 226struct perf_session;
 227struct target;
 228
 229int perf_event__process_stat_event(struct perf_session *session,
 230                                   union perf_event *event);
 231
 232size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
 233size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
 234size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
 235
 236int create_perf_stat_counter(struct evsel *evsel,
 237                             struct perf_stat_config *config,
 238                             struct target *target,
 239                             int cpu);
 240void
 241perf_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
 247struct metric_expr;
 248double test_generic_metric(struct metric_expr *mexp, int cpu, struct runtime_stat *st);
 249#endif
 250