17 lines
297 B
C
17 lines
297 B
C
#ifndef __PERF_STATS_H
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#define __PERF_STATS_H
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#include "types.h"
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struct stats
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{
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double n, mean, M2;
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};
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void update_stats(struct stats *stats, u64 val);
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double avg_stats(struct stats *stats);
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double stddev_stats(struct stats *stats);
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double rel_stddev_stats(double stddev, double avg);
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#endif
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