1#ifndef __PERF_STATS_H 2#define __PERF_STATS_H 3 4#include <linux/types.h> 5#include <stdio.h> 6#include "xyarray.h" 7 8struct stats 9{ 10 double n, mean, M2; 11 u64 max, min; 12}; 13 14enum perf_stat_evsel_id { 15 PERF_STAT_EVSEL_ID__NONE = 0, 16 PERF_STAT_EVSEL_ID__CYCLES_IN_TX, 17 PERF_STAT_EVSEL_ID__TRANSACTION_START, 18 PERF_STAT_EVSEL_ID__ELISION_START, 19 PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP, 20 PERF_STAT_EVSEL_ID__MAX, 21}; 22 23struct perf_stat_evsel { 24 struct stats res_stats[3]; 25 enum perf_stat_evsel_id id; 26}; 27 28enum aggr_mode { 29 AGGR_NONE, 30 AGGR_GLOBAL, 31 AGGR_SOCKET, 32 AGGR_CORE, 33 AGGR_THREAD, 34 AGGR_UNSET, 35}; 36 37struct perf_stat_config { 38 enum aggr_mode aggr_mode; 39 bool scale; 40 FILE *output; 41 unsigned int interval; 42}; 43 44void update_stats(struct stats *stats, u64 val); 45double avg_stats(struct stats *stats); 46double stddev_stats(struct stats *stats); 47double rel_stddev_stats(double stddev, double avg); 48 49static inline void init_stats(struct stats *stats) 50{ 51 stats->n = 0.0; 52 stats->mean = 0.0; 53 stats->M2 = 0.0; 54 stats->min = (u64) -1; 55 stats->max = 0; 56} 57 58struct perf_evsel; 59struct perf_evlist; 60 61bool __perf_evsel_stat__is(struct perf_evsel *evsel, 62 enum perf_stat_evsel_id id); 63 64#define perf_stat_evsel__is(evsel, id) \ 65 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id) 66 67void perf_stat_evsel_id_init(struct perf_evsel *evsel); 68 69extern struct stats walltime_nsecs_stats; 70 71void perf_stat__reset_shadow_stats(void); 72void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, 73 int cpu); 74void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, 75 double avg, int cpu, enum aggr_mode aggr); 76 77void perf_evsel__reset_stat_priv(struct perf_evsel *evsel); 78int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel); 79void perf_evsel__free_stat_priv(struct perf_evsel *evsel); 80 81int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel, 82 int ncpus, int nthreads); 83void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel); 84 85int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw); 86 87int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); 88void perf_evlist__free_stats(struct perf_evlist *evlist); 89void perf_evlist__reset_stats(struct perf_evlist *evlist); 90 91int perf_stat_process_counter(struct perf_stat_config *config, 92 struct perf_evsel *counter); 93#endif 94