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