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
init_stats(struct stats * stats)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
