gettime: even rounding, don't always round up

[fio.git] / gettime.c

diff --git a/gettime.c b/gettime.c
index df329f66d3d5735b3225411315303f87b039c796..3011d7440738c050fc5ae696720e97bf896926bd 100644 (file)
--- a/gettime.c
+++ b/gettime.c
@@ -16,8 +16,8 @@
 #ifdef ARCH_HAVE_CPU_CLOCK
 static unsigned long cycles_per_usec;
 static unsigned long inv_cycles_per_usec;
-int tsc_reliable = 0;
 #endif
+int tsc_reliable = 0;
 
 struct tv_valid {
        struct timeval last_tv;
@@ -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);