1 files changed, 18 insertions, 0 deletions
diff --git a/src/testing/testing_other.go b/src/testing/testing_other.go
index 99a6276a4a..f91e3b4a2c 100644
--- a/src/testing/testing_other.go
+++ b/src/testing/testing_other.go
@@ -6,8 +6,26 @@
 
 package testing
 
+import "time"
+
 // isWindowsRetryable reports whether err is a Windows error code
 // that may be fixed by retrying a failed filesystem operation.
 func isWindowsRetryable(err error) bool {
 	return false
 }
+
+// highPrecisionTime represents a single point in time.
+// On all systems except Windows, using time.Time is fine.
+type highPrecisionTime struct {
+	now time.Time
+}
+
+// highPrecisionTimeNow returns high precision time for benchmarking.
+func highPrecisionTimeNow() highPrecisionTime {
+	return highPrecisionTime{now: time.Now()}
+}
+
+// highPrecisionTimeSince returns duration since b.
+func highPrecisionTimeSince(b highPrecisionTime) time.Duration {
+	return time.Since(b.now)
+}