4 #include <linux/types.h>
12 void update_stats(struct stats *stats, u64 val);
13 double avg_stats(struct stats *stats);
14 double stddev_stats(struct stats *stats);
15 double rel_stddev_stats(double stddev, double avg);
17 static inline void init_stats(struct stats *stats)
22 stats->min = (u64) -1;