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author | Gaurav Shah <gauravsh@google.com> | 2010-02-12 11:21:18 -0800 |
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committer | Gaurav Shah <gauravsh@google.com> | 2010-02-12 11:21:18 -0800 |
commit | cc1dd99ae75549ea58170cb13bcc8636625a46c6 (patch) | |
tree | 6387e491e9d50cbd007932443b3a4283052e189f /tests/timer_utils.c | |
parent | 6f555397b1b59404e7b4d78aed884acf26d5e50f (diff) | |
download | vboot-cc1dd99ae75549ea58170cb13bcc8636625a46c6.tar.gz |
SHA* digest function speed test.
BUG=1210
TEST=This is a test,
Review URL: http://codereview.chromium.org/596079
Diffstat (limited to 'tests/timer_utils.c')
-rw-r--r-- | tests/timer_utils.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/timer_utils.c b/tests/timer_utils.c new file mode 100644 index 00000000..015f6db3 --- /dev/null +++ b/tests/timer_utils.c @@ -0,0 +1,24 @@ +/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "timer_utils.h" + +void StartTimer(ClockTimerState* ct) { + clock_gettime(CLOCK_REALTIME, &ct->start_time); +} + +void StopTimer(ClockTimerState* ct) { + clock_gettime(CLOCK_REALTIME, &ct->end_time); +} + +uint32_t GetDurationMsecs(ClockTimerState* ct) { + uint64_t start = ((uint64_t) ct->start_time.tv_sec * 1000000000 + + (uint64_t) ct->start_time.tv_nsec); + uint64_t end = ((uint64_t) ct->end_time.tv_sec * 1000000000 + + (uint64_t) ct->end_time.tv_nsec); + uint64_t duration_msecs = (end - start) / 1000000U; /* Nanoseconds -> + * Milliseconds. */ + return (uint32_t) duration_msecs; +} |