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 "counts.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 /* hold aggregated event info */ 22 struct perf_stat_aggr { 23 /* aggregated values */ 24 struct perf_counts_values counts; 25 /* number of entries (CPUs) aggregated */ 26 int nr; 27 /* whether any entry has failed to read/process event */ 28 bool failed; 29 /* to mark this data is processed already */ 30 bool used; 31 }; 32 33 /* per-evsel event stats */ 34 struct perf_stat_evsel { 35 /* used for repeated runs */ 36 struct stats res_stats; 37 /* number of allocated 'aggr' */ 38 int nr_aggr; 39 /* aggregated event values */ 40 struct perf_stat_aggr *aggr; 41 /* used for group read */ 42 u64 *group_data; 43 }; 44 45 enum aggr_mode { 46 AGGR_NONE, 47 AGGR_GLOBAL, 48 AGGR_SOCKET, 49 AGGR_DIE, 50 AGGR_CLUSTER, 51 AGGR_CACHE, 52 AGGR_CORE, 53 AGGR_THREAD, 54 AGGR_UNSET, 55 AGGR_NODE, 56 AGGR_MAX 57 }; 58 59 typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu cpu); 60 61 struct perf_stat_config { 62 enum aggr_mode aggr_mode; 63 u32 aggr_level; 64 bool scale; 65 bool no_inherit; 66 bool identifier; 67 bool csv_output; 68 bool json_output; 69 bool interval_clear; 70 bool metric_only; 71 bool null_run; 72 bool hide_zero; 73 bool ru_display; 74 bool big_num; 75 bool hybrid_merge; 76 bool walltime_run_table; 77 bool all_kernel; 78 bool all_user; 79 bool percore_show_thread; 80 bool summary; 81 bool no_csv_summary; 82 bool metric_no_group; 83 bool metric_no_merge; 84 bool metric_no_threshold; 85 bool hardware_aware_grouping; 86 bool stop_read_counter; 87 bool iostat_run; 88 char *user_requested_cpu_list; 89 bool system_wide; 90 FILE *output; 91 unsigned int interval; 92 unsigned int timeout; 93 unsigned int unit_width; 94 unsigned int metric_only_len; 95 int times; 96 int run_count; 97 int print_free_counters_hint; 98 const char *csv_sep; 99 struct stats *walltime_nsecs_stats; 100 struct rusage ru_data; 101 struct cpu_aggr_map *aggr_map; 102 aggr_get_id_t aggr_get_id; 103 struct cpu_aggr_map *cpus_aggr_map; 104 u64 *walltime_run; 105 int ctl_fd; 106 int ctl_fd_ack; 107 bool ctl_fd_close; 108 const char *cgroup_list; 109 unsigned int topdown_level; 110 }; 111 112 extern struct perf_stat_config stat_config; 113 114 void perf_stat__set_big_num(int set); 115 116 void update_stats(struct stats *stats, u64 val); 117 double avg_stats(struct stats *stats); 118 double stddev_stats(struct stats *stats); 119 double rel_stddev_stats(double stddev, double avg); 120 121 static inline void init_stats(struct stats *stats) 122 { 123 stats->n = 0.0; 124 stats->mean = 0.0; 125 stats->M2 = 0.0; 126 stats->min = (u64) -1; 127 stats->max = 0; 128 } 129 130 struct evsel; 131 struct evlist; 132 133 enum metric_threshold_classify { 134 METRIC_THRESHOLD_UNKNOWN, 135 METRIC_THRESHOLD_BAD, 136 METRIC_THRESHOLD_NEARLY_BAD, 137 METRIC_THRESHOLD_LESS_GOOD, 138 METRIC_THRESHOLD_GOOD, 139 }; 140 const char *metric_threshold_classify__color(enum metric_threshold_classify thresh); 141 142 typedef void (*print_metric_t)(struct perf_stat_config *config, 143 void *ctx, 144 enum metric_threshold_classify thresh, 145 const char *fmt, 146 const char *unit, 147 double val); 148 typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx); 149 150 /* Used to print the display name of the Default metricgroup for now. */ 151 typedef void (*print_metricgroup_header_t)(struct perf_stat_config *config, 152 void *ctx, const char *metricgroup_name); 153 154 void perf_stat__reset_shadow_stats(void); 155 struct perf_stat_output_ctx { 156 void *ctx; 157 print_metric_t print_metric; 158 new_line_t new_line; 159 print_metricgroup_header_t print_metricgroup_header; 160 bool force_header; 161 }; 162 163 void perf_stat__print_shadow_stats(struct perf_stat_config *config, 164 struct evsel *evsel, 165 int aggr_idx, 166 struct perf_stat_output_ctx *out); 167 bool perf_stat__skip_metric_event(struct evsel *evsel); 168 void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config, 169 struct evsel *evsel, 170 int aggr_idx, 171 int *num, 172 void *from, 173 struct perf_stat_output_ctx *out); 174 175 int evlist__alloc_stats(struct perf_stat_config *config, 176 struct evlist *evlist, bool alloc_raw); 177 void evlist__free_stats(struct evlist *evlist); 178 void evlist__reset_stats(struct evlist *evlist); 179 void evlist__reset_prev_raw_counts(struct evlist *evlist); 180 void evlist__copy_prev_raw_counts(struct evlist *evlist); 181 void evlist__save_aggr_prev_raw_counts(struct evlist *evlist); 182 183 int evlist__alloc_aggr_stats(struct evlist *evlist, int nr_aggr); 184 void evlist__reset_aggr_stats(struct evlist *evlist); 185 void evlist__copy_res_stats(struct perf_stat_config *config, struct evlist *evlist); 186 187 int perf_stat_process_counter(struct perf_stat_config *config, 188 struct evsel *counter); 189 void perf_stat_merge_counters(struct perf_stat_config *config, struct evlist *evlist); 190 void perf_stat_process_percore(struct perf_stat_config *config, struct evlist *evlist); 191 192 struct perf_tool; 193 union perf_event; 194 struct perf_session; 195 struct target; 196 197 int perf_event__process_stat_event(const struct perf_tool *tool, 198 struct perf_session *session, 199 union perf_event *event); 200 201 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp); 202 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp); 203 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp); 204 205 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config, 206 struct target *_target, struct timespec *ts, int argc, const char **argv); 207 208 struct metric_expr; 209 double test_generic_metric(struct metric_expr *mexp, int aggr_idx); 210 #endif 211