On Mon, Jul 27, 2009 at 10:57:23PM +0800, Teo En Ming wrote:
> Dear Pasi,
>
> Any idea on what benchmark tools I can use to measure I/O performance of my
> virtual machines?
>
Well for simple streaming IO tests you can use dd, it supports multiple
block sizes, O_DIRECT etc.
If you need multithreaded/multiprocess tests, or filesystem IO tests, then
you need something more sophisticated.. bonnie++, ltp disktest, fio, iozone
etc. Google is your friend.
-- Pasi
> Thank you.
>
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering)
>
> Technical Support Engineer
>
> Information Technology Department
>
> Asiasoft Online Pte Ltd
>
> Tampines Central 1 #04-01 Tampines Plaza
>
> Singapore 529541
>
> Republic of Singapore
>
> Mobile Phone: +65-9648-9798
>
> MSN: teoenming@xxxxxxxxxxx
>
>
> -----Original Message-----
>
> From: Pasi Kärkkäinen <pasik@xxxxxx>
>
> To: Teo En Ming <enming.teo@xxxxxxxxxxxxxxx>
>
> Cc: Boris Derzhavets <bderzhavets@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
>
> Date: Mon, 27 Jul 2009 18:01:55 +0300
>
> Subject: Re: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's PVOPS
> Kernel
>
>
>
>
> On Mon, Jul 27, 2009 at 10:06:55PM +0800, Teo En Ming wrote:
>
> > Dear Boris,
>
> >
>
> > Based on your given information, I have managed to configure static IP
>
> > address inside OpenSolaris UNIX PV guest.
>
> >
>
> > These are the two crucial lines:
>
> >
>
> > echo 192.168.1.45 netmask 255.255.255.0 mtu 1492 > /etc/hostname.xnf0
>
> > echo 192.168.1.102 > /etc/defaultrouter
>
> >
>
> > Please see screenshot here:
>
> >
>
> >
> http://3.bp.blogspot.com/_zzjv8MCM2sk/Sm21uPKvVXI/AAAAAAAAAKU/NDQqKSld5v4/s1600-h/03.jpeg
>
> [http://3.bp.blogspot.com/_zzjv8MCM2sk/Sm21uPKvVXI/AAAAAAAAAKU/NDQqKSld5v4/s1600-h/03.jpeg]
>
> >
>
> > May I know whether there are any PV device drivers for me to install to
>
> > improve PV guests' performance? What are the recommended benchmark tools
> to
>
> > measure I/O performance of PV guests?
>
> >
>
>
>
> PV guest doesn't need any additional drivers. Like the name PV says, it's
>
> paravirtual, and uses the optimized drivers/interfaces out-of-the-box.
>
>
>
> -- Pasi
>
>
>
>
>
> _______________________________________________
>
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>
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>
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