Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef __PERF_STATS_H
2#define __PERF_STATS_H
3
4#include "types.h"
5
6struct stats
7{
8 double n, mean, M2;
9};
10
11void update_stats(struct stats *stats, u64 val);
12double avg_stats(struct stats *stats);
13double stddev_stats(struct stats *stats);
14double rel_stddev_stats(double stddev, double avg);
15
16#endif