Date: Thu, 08 Mar 2018 11:06:23 +0100 From: "Ronald Klop" <ronald-lists@klop.ws> To: freebsd-fs@freebsd.org, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: gstat more writes per seconds than there are seconds per write Message-ID: <op.zfjycxctkndu52@klop.ws>
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Hello,
I'm confused by this output.
w/s = 5, but ms/w is 1108; how can I put 5 writes in a second if the
average write takes more than a second?
Is my SD card super parallel? :-)
Sometimes the numbers are even higher.
dT: 1.010s w: 1.000s
L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name
17 5 0 0 0.0 5 420 1108 81.7 mmcsd0
0 0 0 0 0.0 0 0 0.0 0.0 da0
0 0 0 0 0.0 0 0 0.0 0.0 mmcsd0s1
17 5 0 0 0.0 5 420 1108 81.7 mmcsd0s2
0 0 0 0 0.0 0 0 0.0 0.0 msdosfs/MSDOSBOOT
17 5 0 0 0.0 5 420 1108 81.7 mmcsd0s2a
17 5 0 0 0.0 5 420 1108 81.7 ufs/rootfs
[root@rpi2 ~]# uname -a
dmesg | grep mmc
FreeBSD rpi2 11.1-RELEASE-p6 FreeBSD 11.1-RELEASE-p6 #0 r328567: Tue Jan
30 20:10:37 CET 2018
root@rpi2:/mnt/usbdisk/usr/obj/mnt/usbdisk/usr/src/sys/RPI2 arm
[root@rpi2 ~]# dmesg | grep mmc
mmc0: <MMC/SD bus> on sdhci_bcm0
mmc0: CMD8 failed, RESULT: 1
mmcsd0: 2GB <SD SMI 1.0 SN 1736A86C MFG 05/2007 by 27 SM> at mmc0
41.6MHz/4bit/65535-block
Regards,
Ronald.
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