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 05625d1bcb202f577d357a8a05fe1b45687fd790..3011d7440738c050fc5ae696720e97bf896926bd 100644 (file)
--- 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);