From: Avi Kivity <avi@redhat.com>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [RFC][PATCH 0/9] rework KVM mmu_shrink() code
Date: Thu, 17 Jun 2010 11:40:32 +0300 [thread overview]
Message-ID: <4C19DF80.6060909@redhat.com> (raw)
In-Reply-To: <1276700596.6437.16867.camel@nimitz>
On 06/16/2010 06:03 PM, Dave Hansen wrote:
> On Wed, 2010-06-16 at 11:38 +0300, Avi Kivity wrote:
>
>> On 06/15/2010 04:55 PM, Dave Hansen wrote:
>>
>>> These seem to boot and run fine. I'm running about 40 VMs at
>>> once, while doing "echo 3> /proc/sys/vm/drop_caches", and
>>> killing/restarting VMs constantly.
>>>
>>>
>> Will drop_caches actually shrink the kvm caches too? If so we probably
>> need to add that to autotest since it's a really good stress test for
>> the mmu.
>>
> I'm completely sure.
Yes, easily seen from the code as well.
> I crashed my machines several times this way
> during testing.
>
Hopefully only with your patches applied?
I'll try to run autotest from time to time with drop_caches running in
the background. Looks like an excellent way to stress out the mmu.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2010-06-17 8:40 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
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 [this message]
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