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Re: [Xen-devel] File System Performance - 10x slower
| To: | Jan Kundrát <jan.kundrat@xxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] File System Performance - 10x slower |
| From: | Nauzad Sadry <nauzad@xxxxxxxxx> |
| Date: | Sat, 15 Jan 2005 15:24:12 -0800 |
| Cc: | Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, Steven Hand <Steven.Hand@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Sat, 15 Jan 2005 23:25:39 +0000 |
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| References: | <A95E2296287EAD4EB592B5DEEFCE0E9D1232D9@xxxxxxxxxxxxxxxxxxxxxxxxxxx> <aa7b01ec05011113513525faa8@xxxxxxxxxxxxxx> <41E4501B.2010200@xxxxxx> |
| Reply-to: | Nauzad Sadry <nauzad@xxxxxxxxx> |
| Sender: | xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx |
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 |
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