From: Jens Axboe <axboe@kernel.dk>
Date: Tue, 1 Jan 2013 12:38:18 +0000 (+0100)
Subject: gettime: even rounding, don't always round up
X-Git-Tag: fio-2.0.13~11
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=b0ff22d7b23118b6c7dc56f2256ce6dde634422a;p=fio.git

gettime: even rounding, don't always round up

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/gettime.c b/gettime.c
index 05625d1b..3011d744 100644
--- a/gettime.c
+++ b/gettime.c
@@ -273,7 +273,7 @@ static void calibrate_cpu_clock(void)
 		dprint(FD_TIME, "cycles[%d]=%lu\n", i, cycles[i] / 10);
 
 	avg /= samples;
-	avg = (avg + 9) / 10;
+	avg = (avg + 5) / 10;
 	dprint(FD_TIME, "avg: %lu\n", avg);
 	dprint(FD_TIME, "mean=%f, S=%f\n", mean, S);