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 8 struct stats 9 { 10 double n, mean, M2; 11 u64 max, min; 12 }; 13 14 enum 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 23 struct perf_stat { 24 struct stats res_stats[3]; 25 enum perf_stat_evsel_id id; 26 }; 27 28 enum aggr_mode { 29 AGGR_NONE, 30 AGGR_GLOBAL, 31 AGGR_SOCKET, 32 AGGR_CORE, 33 AGGR_THREAD, 34 }; 35 36 struct perf_counts_values { 37 union { 38 struct { 39 u64 val; 40 u64 ena; 41 u64 run; 42 }; 43 u64 values[3]; 44 }; 45 }; 46 47 struct perf_counts { 48 s8 scaled; 49 struct perf_counts_values aggr; 50 struct xyarray *values; 51 }; 52 53 static inline struct perf_counts_values* 54 perf_counts(struct perf_counts *counts, int cpu, int thread) 55 { 56 return xyarray__entry(counts->values, cpu, thread); 57 } 58 59 void update_stats(struct stats *stats, u64 val); 60 double avg_stats(struct stats *stats); 61 double stddev_stats(struct stats *stats); 62 double rel_stddev_stats(double stddev, double avg); 63 64 static inline void init_stats(struct stats *stats) 65 { 66 stats->n = 0.0; 67 stats->mean = 0.0; 68 stats->M2 = 0.0; 69 stats->min = (u64) -1; 70 stats->max = 0; 71 } 72 73 struct perf_evsel; 74 struct perf_evlist; 75 76 bool __perf_evsel_stat__is(struct perf_evsel *evsel, 77 enum perf_stat_evsel_id id); 78 79 #define perf_stat_evsel__is(evsel, id) \ 80 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id) 81 82 void perf_stat_evsel_id_init(struct perf_evsel *evsel); 83 84 extern struct stats walltime_nsecs_stats; 85 86 void perf_stat__reset_shadow_stats(void); 87 void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, 88 int cpu); 89 void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, 90 double avg, int cpu, enum aggr_mode aggr); 91 92 struct perf_counts *perf_counts__new(int ncpus, int nthreads); 93 void perf_counts__delete(struct perf_counts *counts); 94 95 void perf_evsel__reset_counts(struct perf_evsel *evsel); 96 int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus, int nthreads); 97 void perf_evsel__free_counts(struct perf_evsel *evsel); 98 99 void perf_evsel__reset_stat_priv(struct perf_evsel *evsel); 100 int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel); 101 void perf_evsel__free_stat_priv(struct perf_evsel *evsel); 102 103 int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel, 104 int ncpus, int nthreads); 105 void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel); 106 107 int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw); 108 109 int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); 110 void perf_evlist__free_stats(struct perf_evlist *evlist); 111 void perf_evlist__reset_stats(struct perf_evlist *evlist); 112 #endif 113