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Re: (progress on hpet accuracy) and Re: [Xen-devel] [PATCH] Add a timer

To: Dave Winchell <dwinchell@xxxxxxxxxxxxxxx>, "dan.magenheimer@xxxxxxxxxx" <dan.magenheimer@xxxxxxxxxx>
Subject: Re: (progress on hpet accuracy) and Re: [Xen-devel] [PATCH] Add a timer mode that disables pending missed ticks
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Wed, 05 Mar 2008 15:20:20 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Deepak Patel <deepak.patel@xxxxxxxxxx>
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On 5/3/08 15:06, "Dave Winchell" <dwinchell@xxxxxxxxxxxxxxx> wrote:

> As for the code structure, I tried layering on vpt.c and had trouble
> doing so. Therefore, I focused on a direct approach. I'll describe the
> approach
> shortly, after I run tests with other loads and guests.

Are you targeting only 64-bit Linux guests? 32-bit Linux cannot tolerate
missed ticks, and I want only one missed-tick algorithm in Xen: currently
that is vpt.c.

 -- Keir



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