1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __PERF_STATS_H 3 #define __PERF_STATS_H 4 5 #include <linux/types.h> 6 #include <stdio.h> 7 #include "xyarray.h" 8 #include "rblist.h" 9 10 struct stats { 11 double n, mean, M2; 12 u64 max, min; 13 }; 14 15 enum perf_stat_evsel_id { 16 PERF_STAT_EVSEL_ID__NONE = 0, 17 PERF_STAT_EVSEL_ID__CYCLES_IN_TX, 18 PERF_STAT_EVSEL_ID__TRANSACTION_START, 19 PERF_STAT_EVSEL_ID__ELISION_START, 20 PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP, 21 PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS, 22 PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED, 23 PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED, 24 PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES, 25 PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES, 26 PERF_STAT_EVSEL_ID__SMI_NUM, 27 PERF_STAT_EVSEL_ID__APERF, 28 PERF_STAT_EVSEL_ID__MAX, 29 }; 30 31 struct perf_stat_evsel { 32 struct stats res_stats[3]; 33 enum perf_stat_evsel_id id; 34 u64 *group_data; 35 }; 36 37 enum aggr_mode { 38 AGGR_NONE, 39 AGGR_GLOBAL, 40 AGGR_SOCKET, 41 AGGR_CORE, 42 AGGR_THREAD, 43 AGGR_UNSET, 44 }; 45 46 enum { 47 CTX_BIT_USER = 1 << 0, 48 CTX_BIT_KERNEL = 1 << 1, 49 CTX_BIT_HV = 1 << 2, 50 CTX_BIT_HOST = 1 << 3, 51 CTX_BIT_IDLE = 1 << 4, 52 CTX_BIT_MAX = 1 << 5, 53 }; 54 55 #define NUM_CTX CTX_BIT_MAX 56 57 enum stat_type { 58 STAT_NONE = 0, 59 STAT_NSECS, 60 STAT_CYCLES, 61 STAT_STALLED_CYCLES_FRONT, 62 STAT_STALLED_CYCLES_BACK, 63 STAT_BRANCHES, 64 STAT_CACHEREFS, 65 STAT_L1_DCACHE, 66 STAT_L1_ICACHE, 67 STAT_LL_CACHE, 68 STAT_ITLB_CACHE, 69 STAT_DTLB_CACHE, 70 STAT_CYCLES_IN_TX, 71 STAT_TRANSACTION, 72 STAT_ELISION, 73 STAT_TOPDOWN_TOTAL_SLOTS, 74 STAT_TOPDOWN_SLOTS_ISSUED, 75 STAT_TOPDOWN_SLOTS_RETIRED, 76 STAT_TOPDOWN_FETCH_BUBBLES, 77 STAT_TOPDOWN_RECOVERY_BUBBLES, 78 STAT_SMI_NUM, 79 STAT_APERF, 80 STAT_MAX 81 }; 82 83 struct runtime_stat { 84 struct rblist value_list; 85 }; 86 87 struct perf_stat_config { 88 enum aggr_mode aggr_mode; 89 bool scale; 90 FILE *output; 91 unsigned int interval; 92 unsigned int timeout; 93 int times; 94 struct runtime_stat *stats; 95 int stats_num; 96 }; 97 98 void update_stats(struct stats *stats, u64 val); 99 double avg_stats(struct stats *stats); 100 double stddev_stats(struct stats *stats); 101 double rel_stddev_stats(double stddev, double avg); 102 103 static inline void init_stats(struct stats *stats) 104 { 105 stats->n = 0.0; 106 stats->mean = 0.0; 107 stats->M2 = 0.0; 108 stats->min = (u64) -1; 109 stats->max = 0; 110 } 111 112 struct perf_evsel; 113 struct perf_evlist; 114 115 struct perf_aggr_thread_value { 116 struct perf_evsel *counter; 117 int id; 118 double uval; 119 u64 val; 120 u64 run; 121 u64 ena; 122 }; 123 124 bool __perf_evsel_stat__is(struct perf_evsel *evsel, 125 enum perf_stat_evsel_id id); 126 127 #define perf_stat_evsel__is(evsel, id) \ 128 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id) 129 130 extern struct runtime_stat rt_stat; 131 extern struct stats walltime_nsecs_stats; 132 133 typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit, 134 const char *fmt, double val); 135 typedef void (*new_line_t )(void *ctx); 136 137 void runtime_stat__init(struct runtime_stat *st); 138 void runtime_stat__exit(struct runtime_stat *st); 139 void perf_stat__init_shadow_stats(void); 140 void perf_stat__reset_shadow_stats(void); 141 void perf_stat__reset_shadow_per_stat(struct runtime_stat *st); 142 void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count, 143 int cpu, struct runtime_stat *st); 144 struct perf_stat_output_ctx { 145 void *ctx; 146 print_metric_t print_metric; 147 new_line_t new_line; 148 bool force_header; 149 }; 150 151 void perf_stat__print_shadow_stats(struct perf_evsel *evsel, 152 double avg, int cpu, 153 struct perf_stat_output_ctx *out, 154 struct rblist *metric_events, 155 struct runtime_stat *st); 156 void perf_stat__collect_metric_expr(struct perf_evlist *); 157 158 int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); 159 void perf_evlist__free_stats(struct perf_evlist *evlist); 160 void perf_evlist__reset_stats(struct perf_evlist *evlist); 161 162 int perf_stat_process_counter(struct perf_stat_config *config, 163 struct perf_evsel *counter); 164 struct perf_tool; 165 union perf_event; 166 struct perf_session; 167 int perf_event__process_stat_event(struct perf_tool *tool, 168 union perf_event *event, 169 struct perf_session *session); 170 171 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp); 172 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp); 173 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp); 174 #endif 175