Index: src/platform/vboot_reference/tests/timer_utils.c |
diff --git a/src/platform/vboot_reference/tests/timer_utils.c b/src/platform/vboot_reference/tests/timer_utils.c |
new file mode 100644 |
index 0000000000000000000000000000000000000000..015f6db390eb9c650fa78d104e6631588ba1eb6e |
--- /dev/null |
+++ b/src/platform/vboot_reference/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; |
+} |