Release 4.18 tools/perf/util/stat.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_STATS_H
#define __PERF_STATS_H
#include <linux/types.h>
#include <stdio.h>
#include "xyarray.h"
#include "rblist.h"
struct stats {
double n, mean, M2;
u64 max, min;
};
enum perf_stat_evsel_id {
PERF_STAT_EVSEL_ID__NONE = 0,
PERF_STAT_EVSEL_ID__CYCLES_IN_TX,
PERF_STAT_EVSEL_ID__TRANSACTION_START,
PERF_STAT_EVSEL_ID__ELISION_START,
PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP,
PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS,
PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED,
PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED,
PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES,
PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES,
PERF_STAT_EVSEL_ID__SMI_NUM,
PERF_STAT_EVSEL_ID__APERF,
PERF_STAT_EVSEL_ID__MAX,
};
struct perf_stat_evsel {
struct stats res_stats[3];
enum perf_stat_evsel_id id;
u64 *group_data;
};
enum aggr_mode {
AGGR_NONE,
AGGR_GLOBAL,
AGGR_SOCKET,
AGGR_CORE,
AGGR_THREAD,
AGGR_UNSET,
};
enum {
CTX_BIT_USER = 1 << 0,
CTX_BIT_KERNEL = 1 << 1,
CTX_BIT_HV = 1 << 2,
CTX_BIT_HOST = 1 << 3,
CTX_BIT_IDLE = 1 << 4,
CTX_BIT_MAX = 1 << 5,
};
#define NUM_CTX CTX_BIT_MAX
enum stat_type {
STAT_NONE = 0,
STAT_NSECS,
STAT_CYCLES,
STAT_STALLED_CYCLES_FRONT,
STAT_STALLED_CYCLES_BACK,
STAT_BRANCHES,
STAT_CACHEREFS,
STAT_L1_DCACHE,
STAT_L1_ICACHE,
STAT_LL_CACHE,
STAT_ITLB_CACHE,
STAT_DTLB_CACHE,
STAT_CYCLES_IN_TX,
STAT_TRANSACTION,
STAT_ELISION,
STAT_TOPDOWN_TOTAL_SLOTS,
STAT_TOPDOWN_SLOTS_ISSUED,
STAT_TOPDOWN_SLOTS_RETIRED,
STAT_TOPDOWN_FETCH_BUBBLES,
STAT_TOPDOWN_RECOVERY_BUBBLES,
STAT_SMI_NUM,
STAT_APERF,
STAT_MAX
};
struct runtime_stat {
struct rblist value_list;
};
struct perf_stat_config {
enum aggr_mode aggr_mode;
bool scale;
FILE *output;
unsigned int interval;
unsigned int timeout;
int times;
struct runtime_stat *stats;
int stats_num;
};
void update_stats(struct stats *stats, u64 val);
double avg_stats(struct stats *stats);
double stddev_stats(struct stats *stats);
double rel_stddev_stats(double stddev, double avg);
static inline void init_stats(struct stats *stats)
{
stats->n = 0.0;
stats->mean = 0.0;
stats->M2 = 0.0;
stats->min = (u64) -1;
stats->max = 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Ahern | 46 | 100.00% | 1 | 100.00% |
| Total | 46 | 100.00% | 1 | 100.00% |
struct perf_evsel;
struct perf_evlist;
struct perf_aggr_thread_value {
struct perf_evsel *counter;
int id;
double uval;
u64 val;
u64 run;
u64 ena;
};
bool __perf_evsel_stat__is(struct perf_evsel *evsel,
enum perf_stat_evsel_id id);
#define perf_stat_evsel__is(evsel, id) \
__perf_evsel_stat__is(evsel, PERF_STAT_EVSEL_ID__ ## id)
extern struct runtime_stat rt_stat;
extern struct stats walltime_nsecs_stats;
typedef void (*print_metric_t)(void *ctx, const char *color, const char *unit,
const char *fmt, double val);
typedef void (*new_line_t )(void *ctx);
void runtime_stat__init(struct runtime_stat *st);
void runtime_stat__exit(struct runtime_stat *st);
void perf_stat__init_shadow_stats(void);
void perf_stat__reset_shadow_stats(void);
void perf_stat__reset_shadow_per_stat(struct runtime_stat *st);
void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 count,
int cpu, struct runtime_stat *st);
struct perf_stat_output_ctx {
void *ctx;
print_metric_t print_metric;
new_line_t new_line;
bool force_header;
};
void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
double avg, int cpu,
struct perf_stat_output_ctx *out,
struct rblist *metric_events,
struct runtime_stat *st);
void perf_stat__collect_metric_expr(struct perf_evlist *);
int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
void perf_evlist__free_stats(struct perf_evlist *evlist);
void perf_evlist__reset_stats(struct perf_evlist *evlist);
int perf_stat_process_counter(struct perf_stat_config *config,
struct perf_evsel *counter);
struct perf_tool;
union perf_event;
struct perf_session;
int perf_event__process_stat_event(struct perf_tool *tool,
union perf_event *event,
struct perf_session *session);
size_t perf_event__fprintf_stat(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_stat_round(union perf_event *event, FILE *fp);
size_t perf_event__fprintf_stat_config(union perf_event *event, FILE *fp);
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jiri Olsa | 262 | 39.52% | 17 | 47.22% |
| Jin Yao | 182 | 27.45% | 7 | 19.44% |
| Andi Kleen | 93 | 14.03% | 5 | 13.89% |
| Xiao Guangrong | 62 | 9.35% | 1 | 2.78% |
| David Ahern | 51 | 7.69% | 1 | 2.78% |
| yuzhoujian | 7 | 1.06% | 2 | 5.56% |
| Kan Liang | 4 | 0.60% | 1 | 2.78% |
| Greg Kroah-Hartman | 1 | 0.15% | 1 | 2.78% |
| Borislav Petkov | 1 | 0.15% | 1 | 2.78% |
| Total | 663 | 100.00% | 36 | 100.00% |
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