From: Jens Axboe <axboe@fb.com>
Date: Sat, 21 Nov 2015 00:26:37 +0000 (-0700)
Subject: gettime: get rid of the (unecessary) 10x scaling factor
X-Git-Tag: fio-2.2.12~4
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=13aa415afc8d0a2ad0de2d6c17d6bca2d16f00c7;hp=99afcdb53dc388edcc1270fe2f76d8ce1a3f9f3c;ds=sidebyside

gettime: get rid of the (unecessary) 10x scaling factor

Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/gettime.c b/gettime.c
index 922768eb..b896b5bd 100644
--- a/gettime.c
+++ b/gettime.c
@@ -253,7 +253,7 @@ static unsigned long get_cycles_per_usec(void)
 	} while (1);
 
 	fio_clock_source = old_cs;
-	return ((c_e - c_s) * 10) / elapsed;
+	return (c_e - c_s) / elapsed;
 }
 
 #define NR_TIME_ITERS	50
@@ -299,16 +299,11 @@ static int calibrate_cpu_clock(void)
 	}
 
 	S /= (double) NR_TIME_ITERS;
-	mean /= 10.0;
 
 	for (i = 0; i < NR_TIME_ITERS; i++)
-		dprint(FD_TIME, "cycles[%d]=%llu\n", i,
-					(unsigned long long) cycles[i] / 10);
+		dprint(FD_TIME, "cycles[%d]=%llu\n", i, (unsigned long long) cycles[i]);
 
 	avg /= samples;
-	avg = (avg + 5) / 10;
-	minc /= 10;
-	maxc /= 10;
 	dprint(FD_TIME, "avg: %llu\n", (unsigned long long) avg);
 	dprint(FD_TIME, "min=%llu, max=%llu, mean=%f, S=%f\n",
 			(unsigned long long) minc,