Re: [Xen-devel] File System Performance - 10x slower

[Nauzad Sadry <nauzad@xxxxxxxxx>]

Hello folks

On turning DMA on in XEN kernel I managed to achieve file i/o
performance comparable to baseline

Thanks for your help

Nauzad


On Tue, 11 Jan 2005 23:15:55 +0100, Jan Kundrát <jan.kundrat@xxxxxx> wrote:
> Nauzad Sadry wrote:
> > On using hdparm is found out that DMA is disabled by default in Xen
> > (it was enabled on baseline) & I probably need to rebulid the kernel
> > with this option turned on.
> >
> > If there are any other ways to turn on this option, please let me know
> 
> as Ian already said, you'll have to include your IDE chipset's driver
> into kernel. It is located under Device drivers->ATA/ATAPI/MFM/RLL support.
> 
> -jkt
> 
> --
> cd /local/pub && more beer > /dev/mouth
> 
>


-------------------------------------------------------
The SF.Net email is sponsored by: Beat the post-holiday blues
Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek.
It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/xen-devel