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 "xyarray.h" 8 9 struct stats 10 { 11 double n, mean, M2; 12 u64 max, min; 13 }; 14 15 enum perf_stat_evsel_id { 16 PERF_STAT_EVSEL_ID__NONE = 0, 17 PERF_STAT_EVSEL_ID__CYCLES_IN_TX, 18 PERF_STAT_EVSEL_ID__TRANSACTION_START, 19 PERF_STAT_EVSEL_ID__ELISION_START, 20 PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP, 21 PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS, 22 PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED, 23 PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED, 24 PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES, 25 PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES, 26 PERF_STAT_EVSEL_ID__SMI_NUM, 27 PERF_STAT_EVSEL_ID__APERF, 28 PERF_STAT_EVSEL_ID__MAX, 29 }; 30 31 struct perf_stat_evsel { 32 struct stats res_stats[3]; 33 enum perf_stat_evsel_id id; 34 u64 *group_data; 35 }; 36 37 enum aggr_mode { 38 AGGR_NONE, 39 AGGR_GLOBAL, 40 AGGR_SOCKET, 41 AGGR_CORE, 42 AGGR_THREAD, 43 AGGR_UNSET, 44 }; 45 46 struct perf_stat_config { 47 enum aggr_mode aggr_mode; 48 bool scale; 49 FILE *output; 50 unsigned int interval; 51 }; 52 53 void update_stats(struct stats *stats, u64 val); 54 double avg_stats(struct stats *stats); 55 double stddev_stats(struct stats *stats); 56 double rel_stddev_stats(double stddev, double avg); 57 58 static inline void init_stats(struct stats *stats) 59 { 60 stats->n = 0.0; 61 stats->mean = 0.0; 62 stats->M2 = 0.0; 63 stats->min = (u64) -1; 64 stats->max = 0; 65 } 66 67 struct perf_evsel; 68 struct perf_evlist; 69 70 bool __perf_evsel_stat__is(struct perf_evsel *evsel, 71 enum perf_stat_evsel_id id); 72 73 #define perf_stat_evsel__is(evsel, id) \ 74 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id) 75 76 void perf_stat_evsel_id_init(struct perf_evsel *evsel); 77 78 extern struct stats walltime_nsecs_stats; 79 80 typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit, 81 const char *fmt, double val); 82 typedef void (*new_line_t )(void *ctx); 83 84 void perf_stat__init_shadow_stats(void); 85 void perf_stat__reset_shadow_stats(void); 86 void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count, 87 int cpu); 88 struct perf_stat_output_ctx { 89 void *ctx; 90 print_metric_t print_metric; 91 new_line_t new_line; 92 bool force_header; 93 }; 94 95 struct rblist; 96 void perf_stat__print_shadow_stats(struct perf_evsel *evsel, 97 double avg, int cpu, 98 struct perf_stat_output_ctx *out, 99 struct rblist *metric_events); 100 void perf_stat__collect_metric_expr(struct perf_evlist *); 101 102 int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); 103 void perf_evlist__free_stats(struct perf_evlist *evlist); 104 void perf_evlist__reset_stats(struct perf_evlist *evlist); 105 106 int perf_stat_process_counter(struct perf_stat_config *config, 107 struct perf_evsel *counter); 108 struct perf_tool; 109 union perf_event; 110 struct perf_session; 111 int perf_event__process_stat_event(struct perf_tool *tool, 112 union perf_event *event, 113 struct perf_session *session); 114 115 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp); 116 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp); 117 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp); 118 #endif 119