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From: Glauber Costa <glommer@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	kvm@vger.kernel.org, avi@redhat.com, zamsden@redhat.com,
	riel@redhat.com
Subject: Re: [RFC 4/7] change kernel accounting to include steal time
Date: Thu, 26 Aug 2010 18:40:36 -0300	[thread overview]
Message-ID: <20100826214036.GH2985@mothafucka.localdomain> (raw)
In-Reply-To: <4C76D947.4030105@codemonkey.ws>

On Thu, Aug 26, 2010 at 04:14:47PM -0500, Anthony Liguori wrote:
> On 08/26/2010 03:28 PM, Glauber Costa wrote:
> >
> >>+   if (delta>  1000UL)
> >>+               touch_softlockup_watchdog();
> >>+
> >>
> >>This will break authentic soft lockup detection whenever qemu processing
> >>takes more than 1s.
> >This should be 10s. 1000UL is a typo.
> 
> I was wondering that when I first saw the patch..  10s is the
> default detection time but it's actually run time configurable so
> hard coding 10s is not correct.

Indeed, you are right.

Thanks

  reply	other threads:[~2010-08-26 21:40 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-25 21:43 [RFC 0/7] KVM steal time implementation Glauber Costa
2010-08-25 21:43 ` [RFC 1/7] Implement getnsboottime kernel API Glauber Costa
2010-08-25 21:43   ` [RFC 2/7] change headers preparing for steal time Glauber Costa
2010-08-25 21:43     ` [RFC 3/7] measure time out of guest Glauber Costa
2010-08-25 21:43       ` [RFC 4/7] change kernel accounting to include steal time Glauber Costa
2010-08-25 21:43         ` [RFC 5/7] kvm steal time implementation Glauber Costa
2010-08-25 21:43           ` [RFC 6/7] touch softlockup watchdog Glauber Costa
2010-08-25 21:43             ` [RFC 7/7] tell guest about steal time feature Glauber Costa
2010-08-26 22:13           ` [RFC 5/7] kvm steal time implementation Rik van Riel
2010-08-26 22:35             ` Glauber Costa
2010-08-26 17:23         ` [RFC 4/7] change kernel accounting to include steal time Marcelo Tosatti
2010-08-26 20:28           ` Glauber Costa
2010-08-26 20:47             ` Marcelo Tosatti
2010-08-26 21:05               ` Rik van Riel
2010-08-26 21:13               ` Glauber Costa
2010-08-26 21:14             ` Anthony Liguori
2010-08-26 21:40               ` Glauber Costa [this message]
2010-08-26 23:12                 ` Marcelo Tosatti
2010-08-27  0:33                   ` Glauber Costa
2010-08-27 15:25                     ` Marcelo Tosatti
2010-08-26 21:19         ` Rik van Riel
2010-08-26 21:39           ` Glauber Costa
2010-08-29  9:59         ` Avi Kivity
2010-08-29 15:13           ` Rik van Riel
2010-08-29 15:25             ` Avi Kivity
2010-08-29 15:42               ` Rik van Riel
2010-08-29 15:47                 ` Avi Kivity
2010-08-30 12:42           ` Glauber Costa
2010-08-30 13:15             ` Avi Kivity
2010-08-26 20:54       ` [RFC 3/7] measure time out of guest Zachary Amsden
2010-08-26 21:14         ` Glauber Costa
2010-08-29  9:53       ` Avi Kivity
2010-08-26 20:44     ` [RFC 2/7] change headers preparing for steal time Zachary Amsden
2010-08-26 21:04       ` Rik van Riel
2010-08-26 21:17         ` Glauber Costa
2010-08-26 22:11           ` Rik van Riel
2010-08-29  9:51     ` Avi Kivity
2010-08-30 12:44       ` Glauber Costa
2010-08-30 13:10         ` Avi Kivity
2010-08-26 19:46   ` [RFC 1/7] Implement getnsboottime kernel API Rik van Riel

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