WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Xen

xen-devel

[Top] [All Lists]

RE: [Xen-devel] Add multi-page shared ring support toxen-blkfront/back

To: James Harper <james.harper@xxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Add multi-page shared ring support toxen-blkfront/back
From: Daniel Stodden <daniel.stodden@xxxxxxxxxx>
Date: 2010年1月12日 13:22:45 -0800
Cc: Paul Durrant <Paul.Durrant@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: 2010年1月12日 13:23:14 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <AEC6C66638C05B468B556EA548C1A77D018989BA@trantor >
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <1263318297-18527-1-git-send-email-paul.durrant@xxxxxxxxxx> <4B4CB6AE.70005@xxxxxxxxxx> <AEC6C66638C05B468B556EA548C1A77D018989BA@trantor >
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
On Tue, 2010年01月12日 at 15:58 -0500, James Harper wrote:
> I received the 1/2 and 2/2 emails containing the patches.
>
> Is there any measurable performance increase with this update? I assume
> it means that you can have more read/write operations on the ring at
> once? What would be useful to me is larger read/write operations...
Interesting. Why? Asking because ring space is spent on segments, not
request headers. Do you see a notable difference somewhere, compared to
a bunch of (virtually) consecutive request ranges? Or rather a
convenience thing for the gpl PV drivers?
Cheers,
Daniel
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date: Re: [Xen-devel] Fw: bigphysarea patch on xen capable linux , Keir Fraser
Next by Date: Re: [Xen-devel] XCP Java language bindings , David Erickson
Previous by Thread: RE: [Xen-devel] Add multi-page shared ring support toxen-blkfront/back , James Harper
Next by Thread: RE: [Xen-devel] Add multi-page shared ring support toxen-blkfront/back , James Harper
Indexes: [Date] [Thread] [Top] [All Lists]

Copyright ©, Citrix Systems Inc. All rights reserved. Legal and Privacy
Citrix This site is hosted by Citrix

AltStyle によって変換されたページ (->オリジナル) /