From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Karl Rister <kmr@us.ibm.com>
Subject: Re: [RFC][PATCH 9/9] make kvm mmu shrinker more aggressive
Date: Wed, 21 Jul 2010 22:36:27 -0700 [thread overview]
Message-ID: <1279776987.9785.2030.camel@nimitz> (raw)
In-Reply-To: <4C47CABC.1080801@redhat.com>
On Thu, 2010-07-22 at 07:36 +0300, Avi Kivity wrote:
> On 06/22/2010 07:32 PM, Dave Hansen wrote:
> > On Sun, 2010-06-20 at 11:11 +0300, Avi Kivity wrote:
> >>> That changes a few things. I bet all the contention we were seeing was
> >>> just from nr_to_scan=0 calls and not from actual shrink operations.
> >>> Perhaps we should just stop this set after patch 4.
> >>>
> >> At the very least, we should re-measure things.
> >>
> > Sure. I'll go back to the folks that found this in the first place and
> > see how these patches affect the contention we were seeing.
>
> Dave, how did those tests go?
Still waiting on the folks that found this in the first place to
reproduce it and see if the patches help. I'll go nudge them some more.
-- Dave
next prev parent reply other threads:[~2010-07-22 5:36 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-15 13:55 [RFC][PATCH 0/9] rework KVM mmu_shrink() code Dave Hansen
2010-06-15 13:55 ` [RFC][PATCH 1/9] abstract kvm x86 mmu->n_free_mmu_pages Dave Hansen
2010-06-16 8:40 ` Avi Kivity
2010-06-15 13:55 ` [RFC][PATCH 2/9] rename x86 kvm->arch.n_alloc_mmu_pages Dave Hansen
2010-06-15 13:55 ` [RFC][PATCH 3/9] replace x86 kvm n_free_mmu_pages with n_used_mmu_pages Dave Hansen
2010-06-16 14:25 ` Marcelo Tosatti
2010-06-16 15:42 ` Dave Hansen
2010-06-15 13:55 ` [RFC][PATCH 4/9] create aggregate kvm_total_used_mmu_pages value Dave Hansen
2010-06-16 8:48 ` Avi Kivity
2010-06-16 15:06 ` Dave Hansen
2010-06-17 8:43 ` Avi Kivity
2010-06-16 16:55 ` Dave Hansen
2010-06-17 8:23 ` Avi Kivity
2010-06-15 13:55 ` [RFC][PATCH 5/9] break out some mmu_skrink() code Dave Hansen
2010-06-15 13:55 ` [RFC][PATCH 6/9] remove kvm_freed variable Dave Hansen
2010-06-15 13:55 ` [RFC][PATCH 7/9] make kvm_get_kvm() more robust Dave Hansen
2010-06-15 13:55 ` [RFC][PATCH 8/9] reduce kvm_lock hold times in mmu_skrink() Dave Hansen
2010-06-16 8:54 ` Avi Kivity
2010-06-15 13:55 ` [RFC][PATCH 9/9] make kvm mmu shrinker more aggressive Dave Hansen
2010-06-16 9:24 ` Avi Kivity
2010-06-16 15:25 ` Dave Hansen
2010-06-17 8:37 ` Avi Kivity
2010-06-18 15:49 ` Dave Hansen
2010-06-20 8:11 ` Avi Kivity
2010-06-22 16:32 ` Dave Hansen
2010-07-22 4:36 ` Avi Kivity
2010-07-22 5:36 ` Dave Hansen [this message]
2010-07-22 5:42 ` Avi Kivity
2010-06-16 8:38 ` [RFC][PATCH 0/9] rework KVM mmu_shrink() code Avi Kivity
2010-06-16 15:03 ` Dave Hansen
2010-06-17 8:40 ` Avi Kivity
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