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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4C19DF80.6060909@redhat.com \
--to=avi@redhat.com \
--cc=dave@linux.vnet.ibm.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.