]> git.karo-electronics.de Git - karo-tx-linux.git/blob - tools/perf/util/stat.h
Merge tag 'arc-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
[karo-tx-linux.git] / tools / perf / util / stat.h
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 };
89
90 void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
91                                    double avg, int cpu,
92                                    struct perf_stat_output_ctx *out);
93
94 int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
95 void perf_evlist__free_stats(struct perf_evlist *evlist);
96 void perf_evlist__reset_stats(struct perf_evlist *evlist);
97
98 int perf_stat_process_counter(struct perf_stat_config *config,
99                               struct perf_evsel *counter);
100 struct perf_tool;
101 union perf_event;
102 struct perf_session;
103 int perf_event__process_stat_event(struct perf_tool *tool,
104                                    union perf_event *event,
105                                    struct perf_session *session);
106
107 size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
108 size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
109 size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
110 #endif