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