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Re: [Xen-devel] A clocksource question

To: Joanna Rutkowska <joanna@xxxxxxxxxxxxxxxxxxxxxx>
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Wed, 10 Mar 2010 17:06:39 -0800
Cc: Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Delivery-date: Wed, 10 Mar 2010 17:07:20 -0800
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On 03/10/2010 04:52 PM, Joanna Rutkowska wrote:

BTW, how does the clocksource=jiffies work on a pvops kernel in Dom0?

Not very well. clocksource=jiffies just sets up timer interrupts atapprox 100ms intervals and assumes that's 100ms. You get very low restimers and timekeeping.


    J

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