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 { 12 double n, mean, M2; 13 u64 max, min; 14 }; 15 16 enum perf_stat_evsel_id { 17 PERF_STAT_EVSEL_ID__NONE = 0, 18 PERF_STAT_EVSEL_ID__CYCLES_IN_TX, 19 PERF_STAT_EVSEL_ID__TRANSACTION_START, 20 PERF_STAT_EVSEL_ID__ELISION_START, 21 PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP, 22 PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS, 23 PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED, 24 PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED, 25 PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES, 26 PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES, 27 PERF_STAT_EVSEL_ID__SMI_NUM, 28 PERF_STAT_EVSEL_ID__APERF, 29 PERF_STAT_EVSEL_ID__MAX, 30 }; 31 32 struct perf_stat_evsel { 33 struct stats res_stats[3]; 34 enum perf_stat_evsel_id id; 35 u64 *group_data; 36 }; 37 38 enum aggr_mode { 39 AGGR_NONE, 40 AGGR_GLOBAL, 41 AGGR_SOCKET, 42 AGGR_CORE, 43 AGGR_THREAD, 44 AGGR_UNSET, 45 }; 46 47 enum { 48 CTX_BIT_USER = 1 << 0, 49 CTX_BIT_KERNEL = 1 << 1, 50 CTX_BIT_HV = 1 << 2, 51 CTX_BIT_HOST = 1 << 3, 52 CTX_BIT_IDLE = 1 << 4, 53 CTX_BIT_MAX = 1 << 5, 54 }; 55 56 #define NUM_CTX CTX_BIT_MAX 57 58 enum stat_type { 59 STAT_NONE = 0, 60 STAT_NSECS, 61 STAT_CYCLES, 62 STAT_STALLED_CYCLES_FRONT, 63 STAT_STALLED_CYCLES_BACK, 64 STAT_BRANCHES, 65 STAT_CACHEREFS, 66 STAT_L1_DCACHE, 67 STAT_L1_ICACHE, 68 STAT_LL_CACHE, 69 STAT_ITLB_CACHE, 70 STAT_DTLB_CACHE, 71 STAT_CYCLES_IN_TX, 72 STAT_TRANSACTION, 73 STAT_ELISION, 74 STAT_TOPDOWN_TOTAL_SLOTS, 75 STAT_TOPDOWN_SLOTS_ISSUED, 76 STAT_TOPDOWN_SLOTS_RETIRED, 77 STAT_TOPDOWN_FETCH_BUBBLES, 78 STAT_TOPDOWN_RECOVERY_BUBBLES, 79 STAT_SMI_NUM, 80 STAT_APERF, 81 STAT_MAX 82 }; 83 84 struct runtime_stat { 85 struct rblist value_list; 86 }; 87 88 struct perf_stat_config { 89 enum aggr_mode aggr_mode; 90 bool scale; 91 FILE *output; 92 unsigned int interval; 93 unsigned int timeout; 94 int times; 95 struct runtime_stat *stats; 96 int stats_num; 97 }; 98 99 void update_stats(struct stats *stats, u64 val); 100 double avg_stats(struct stats *stats); 101 double stddev_stats(struct stats *stats); 102 double rel_stddev_stats(double stddev, double avg); 103 104 static inline void init_stats(struct stats *stats) 105 { 106 stats->n = 0.0; 107 stats->mean = 0.0; 108 stats->M2 = 0.0; 109 stats->min = (u64) -1; 110 stats->max = 0; 111 } 112 113 struct perf_evsel; 114 struct perf_evlist; 115 116 struct perf_aggr_thread_value { 117 struct perf_evsel *counter; 118 int id; 119 double uval; 120 u64 val; 121 u64 run; 122 u64 ena; 123 }; 124 125 bool __perf_evsel_stat__is(struct perf_evsel *evsel, 126 enum perf_stat_evsel_id id); 127 128 #define perf_stat_evsel__is(evsel, id) \ 129 __perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id) 130 131 extern struct runtime_stat rt_stat; 132 extern struct stats walltime_nsecs_stats; 133 134 typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit, 135 const char *fmt, double val); 136 typedef void (*new_line_t )(void *ctx); 137 138 void runtime_stat__init(struct runtime_stat *st); 139 void runtime_stat__exit(struct runtime_stat *st); 140 void perf_stat__init_shadow_stats(void); 141 void perf_stat__reset_shadow_stats(void); 142 void perf_stat__reset_shadow_per_stat(struct runtime_stat *st); 143 void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count, 144 int cpu, struct runtime_stat *st); 145 struct perf_stat_output_ctx { 146 void *ctx; 147 print_metric_t print_metric; 148 new_line_t new_line; 149 bool force_header; 150 }; 151 152 void perf_stat__print_shadow_stats(struct perf_evsel *evsel, 153 double avg, int cpu, 154 struct perf_stat_output_ctx *out, 155 struct rblist *metric_events, 156 struct runtime_stat *st); 157 void perf_stat__collect_metric_expr(struct perf_evlist *); 158 159 int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); 160 void perf_evlist__free_stats(struct perf_evlist *evlist); 161 void perf_evlist__reset_stats(struct perf_evlist *evlist); 162 163 int perf_stat_process_counter(struct perf_stat_config *config, 164 struct perf_evsel *counter); 165 struct perf_tool; 166 union perf_event; 167 struct perf_session; 168 int perf_event__process_stat_event(struct perf_tool *tool, 169 union perf_event *event, 170 struct perf_session *session); 171 172 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp); 173 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp); 174 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp); 175 #endif 176