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 u64 *group_data; 34 }; 35 36 enum aggr_mode { 37 AGGR_NONE, 38 AGGR_GLOBAL, 39 AGGR_SOCKET, 40 AGGR_CORE, 41 AGGR_THREAD, 42 AGGR_UNSET, 43 }; 44 45 struct perf_stat_config { 46 enum aggr_mode aggr_mode; 47 bool scale; 48 FILE *output; 49 unsigned int interval; 50 }; 51 52 void update_stats(struct stats *stats, u64 val); 53 double avg_stats(struct stats *stats); 54 double stddev_stats(struct stats *stats); 55 double rel_stddev_stats(double stddev, double avg); 56 57 static inline void init_stats(struct stats *stats) 58 { 59 stats->n = 0.0; 60 stats->mean = 0.0; 61 stats->M2 = 0.0; 62 stats->min = (u64) -1; 63 stats->max = 0; 64 } 65 66 struct perf_evsel; 67 struct perf_evlist; 68 69 bool __perf_evsel_stat__is(struct perf_evsel *evsel, 70 enum perf_stat_evsel_id id); 71 72 #define perf_stat_evsel__is(evsel, id) \ 73 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id) 74 75 void perf_stat_evsel_id_init(struct perf_evsel *evsel); 76 77 extern struct stats walltime_nsecs_stats; 78 79 typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit, 80 const char *fmt, double val); 81 typedef void (*new_line_t )(void *ctx); 82 83 void perf_stat__init_shadow_stats(void); 84 void perf_stat__reset_shadow_stats(void); 85 void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, 86 int cpu); 87 struct perf_stat_output_ctx { 88 void *ctx; 89 print_metric_t print_metric; 90 new_line_t new_line; 91 bool force_header; 92 }; 93 94 void perf_stat__print_shadow_stats(struct perf_evsel *evsel, 95 double avg, int cpu, 96 struct perf_stat_output_ctx *out); 97 void perf_stat__collect_metric_expr(struct perf_evlist *); 98 99 int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); 100 void perf_evlist__free_stats(struct perf_evlist *evlist); 101 void perf_evlist__reset_stats(struct perf_evlist *evlist); 102 103 int perf_stat_process_counter(struct perf_stat_config *config, 104 struct perf_evsel *counter); 105 struct perf_tool; 106 union perf_event; 107 struct perf_session; 108 int perf_event__process_stat_event(struct perf_tool *tool, 109 union perf_event *event, 110 struct perf_session *session); 111 112 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp); 113 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp); 114 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp); 115 #endif 116