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Re: [PATCH] raise tsc clocksource rating

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From: Ingo Molnar <mingo@...>
To: Zachary Amsden <zach@...>
Cc: Glauber de Oliveira Costa <gcosta@...>, <linux-kernel@...>, <tglx@...>, <rusty@...>, <jeremy@...>, <--cc@...>, <avi@...>, <kvm-devel@...>, Glauber de Oliveira Costa <glauber@...>, Dan Hecht <dhecht@...>, Garrett Smith <garrett@...>
Subject: Re: [PATCH] raise tsc clocksource rating
Date: Monday, October 29, 2007 - 7:02 pm

* Zachary Amsden <zach@vmware.com> wrote:


but if there's a perfect TSC available (there is such hardware) then the 
TSC _is_ the best clocksource. Paravirt now turns it off unconditionally 
in essence.

anyway, that's at most an optimization issue. No strong feelings here, 
and we can certainly delay this patch until this gets all sorted out.

	Ingo
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Messages in current thread:
[PATCH] raise tsc clocksource rating, Glauber de Oliveira Costa..., (Mon Oct 29, 7:10 pm)
Re: [PATCH] raise tsc clocksource rating, H. Peter Anvin, (Mon Oct 29, 8:17 pm)
Re: [PATCH] raise tsc clocksource rating, Zachary Amsden, (Mon Oct 29, 6:42 pm)
Re: [PATCH] raise tsc clocksource rating, Ingo Molnar, (Mon Oct 29, 6:48 pm)
Re: [PATCH] raise tsc clocksource rating, Zachary Amsden, (Mon Oct 29, 6:55 pm)
Re: [PATCH] raise tsc clocksource rating, Glauber de Oliveira Costa..., (Tue Oct 30, 7:59 am)
Re: [PATCH] raise tsc clocksource rating, Ingo Molnar, (Mon Oct 29, 7:02 pm)
Re: [PATCH] raise tsc clocksource rating, Dan Hecht, (Mon Oct 29, 7:24 pm)
Re: [PATCH] raise tsc clocksource rating, Ingo Molnar, (Tue Oct 30, 3:14 am)
Re: [kvm-devel] [PATCH] raise tsc clocksource rating, Avi Kivity, (Tue Oct 30, 12:24 am)
Re: [PATCH] raise tsc clocksource rating, Zachary Amsden, (Mon Oct 29, 7:13 pm)
Re: [PATCH] raise tsc clocksource rating, Glauber de Oliveira Costa..., (Tue Oct 30, 8:02 am)
Re: [PATCH] raise tsc clocksource rating, Zachary Amsden, (Tue Oct 30, 1:58 pm)
Re: [PATCH] raise tsc clocksource rating, Ingo Molnar, (Mon Oct 29, 7:17 pm)
Re: [PATCH] raise tsc clocksource rating, Jeremy Fitzhardinge, (Mon Oct 29, 6:52 pm)
Re: [PATCH] raise tsc clocksource rating, Ingo Molnar, (Mon Oct 29, 6:55 pm)
Re: [PATCH] raise tsc clocksource rating, Jeremy Fitzhardinge, (Mon Oct 29, 7:17 pm)
Re: [PATCH] raise tsc clocksource rating, Ingo Molnar, (Mon Oct 29, 7:21 pm)
Re: [PATCH] raise tsc clocksource rating, Jeremy Fitzhardinge, (Mon Oct 29, 7:33 pm)
Re: [PATCH] raise tsc clocksource rating, Jeremy Fitzhardinge, (Mon Oct 29, 6:45 pm)
Re: [PATCH] raise tsc clocksource rating, Thomas Gleixner, (Mon Oct 29, 6:17 pm)
Re: [PATCH] raise tsc clocksource rating, Rusty Russell, (Mon Oct 29, 10:39 pm)
Re: [PATCH] raise tsc clocksource rating, Ingo Molnar, (Tue Oct 30, 3:37 am)
Re: [PATCH] raise tsc clocksource rating, Glauber de Oliveira Costa..., (Tue Oct 30, 8:13 am)
Re: [PATCH] raise tsc clocksource rating, Rusty Russell, (Tue Oct 30, 6:52 am)
Re: [PATCH] raise tsc clocksource rating, john stultz, (Mon Oct 29, 9:26 pm)
Re: [PATCH] raise tsc clocksource rating, Ingo Molnar, (Mon Oct 29, 6:36 pm)