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38 lines
948 B
C
38 lines
948 B
C
/*
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* Copyright (C) 2017,2018 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup sys_benchmark
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* @{
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*
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* @file
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* @brief Utility functions for the benchmark module
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include "timex.h"
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#include "benchmark.h"
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void benchmark_print_time(uint32_t time, unsigned long runs, const char *name)
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{
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uint32_t full = (time / runs);
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uint32_t div = (uint32_t)(((uint64_t)(time - (full * runs))) * 1000 / runs);
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uint32_t per_sec = (uint32_t)(((uint64_t)US_PER_SEC * runs) / time);
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printf("%25s: %9" PRIu32 "us"
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" --- %2" PRIu32 ".%03" PRIu32 "us per call"
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" --- %9" PRIu32 " calls per sec\n",
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name, time, full, div, per_sec);
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}
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