File: stat.h

package info (click to toggle)
linux 3.16.7-ckt9-2
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 740,624 kB
  • ctags: 2,385,278
  • sloc: ansic: 12,217,941; asm: 277,354; perl: 53,978; xml: 47,771; makefile: 30,485; sh: 8,063; python: 6,597; cpp: 5,127; yacc: 4,254; lex: 2,215; awk: 741; pascal: 231; lisp: 218; sed: 30
file content (25 lines) | stat: -rw-r--r-- 476 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
#ifndef __PERF_STATS_H
#define __PERF_STATS_H

#include <linux/types.h>

struct stats
{
	double n, mean, M2;
	u64 max, min;
};

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;
}
#endif