Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(236)

Unified Diff: src/platform/vboot_reference/tests/timer_utils.c

Issue 596079: SHA* digest function speed test. (Closed)
Patch Set: Add explicit type cast. Created 10 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/platform/vboot_reference/tests/timer_utils.h ('k') | no next file » | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
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;
+}
« no previous file with comments | « src/platform/vboot_reference/tests/timer_utils.h ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698