From: Keir Fraser <keir@xensource.com>
To: "Han, Weidong" <weidong.han@intel.com>, xen-devel@lists.xensource.com
Subject: Re: [Patch] Buffer disk I/O requests
Date: Mon, 14 May 2007 13:24:22 +0100 [thread overview]
Message-ID: <C26E1386.EE10%keir@xensource.com> (raw)
In-Reply-To: <08DF4D958216244799FC84F3514D70F00AB948@pdsmsx415.ccr.corp.intel.com>
What sort of improvement does it achieve? It's a pretty hacky thing to have
to add... :-(
-- Keir
On 14/5/07 10:36, "Han, Weidong" <weidong.han@intel.com> wrote:
> Disk I/O of VM is slow compared to native, I/O port access consumes time
> significantly, which could be partly improved with buffered I/O.
> The attached patch partly improves the performance of disk I/O through
> buffering Disk I/O requests.
>
> Signed-off-by: Zhiteng Huang <zhiteng.huang@intel.com>
> Signed-off-by: Weidong Han <weidong.han@intel.com>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
next prev parent reply other threads:[~2007-05-14 12:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-14 9:36 [Patch] Buffer disk I/O requests Han, Weidong
2007-05-14 11:03 ` Han, Weidong
2007-05-14 12:24 ` Keir Fraser [this message]
2007-05-14 12:52 ` Han, Weidong
2007-05-14 13:02 ` Ian Pratt
2007-05-18 3:14 ` Han, Weidong
2007-05-18 9:37 ` Ian Pratt
2007-05-20 13:57 ` Han, Weidong
2007-05-20 17:14 ` Keir Fraser
2007-05-24 20:25 ` Anthony Liguori
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