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_evsel { 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 AGGR_UNSET, 35 }; 36 37 struct perf_stat_config { 38 enum aggr_mode aggr_mode; 39 bool scale; 40 FILE *output; 41 unsigned int interval; 42 }; 43 44 void update_stats(struct stats *stats, u64 val); 45 double avg_stats(struct stats *stats); 46 double stddev_stats(struct stats *stats); 47 double rel_stddev_stats(double stddev, double avg); 48 49 static 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 58 struct perf_evsel; 59 struct perf_evlist; 60 61 bool __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 67 void perf_stat_evsel_id_init(struct perf_evsel *evsel); 68 69 extern struct stats walltime_nsecs_stats; 70 71 void perf_stat__reset_shadow_stats(void); 72 void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, 73 int cpu); 74 void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, 75 double avg, int cpu, enum aggr_mode aggr); 76 77 void perf_evsel__reset_stat_priv(struct perf_evsel *evsel); 78 int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel); 79 void perf_evsel__free_stat_priv(struct perf_evsel *evsel); 80 81 int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel, 82 int ncpus, int nthreads); 83 void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel); 84 85 int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw); 86 87 int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); 88 void perf_evlist__free_stats(struct perf_evlist *evlist); 89 void perf_evlist__reset_stats(struct perf_evlist *evlist); 90 91 int perf_stat_process_counter(struct perf_stat_config *config, 92 struct perf_evsel *counter); 93 struct perf_tool; 94 union perf_event; 95 struct perf_session; 96 int perf_event__process_stat_event(struct perf_tool *tool, 97 union perf_event *event, 98 struct perf_session *session); 99 100 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp); 101 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp); 102 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp); 103 #endif 104