From: Steve Kemp <steve@bytemark.co.uk>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: kvm@vger.kernel.org
Subject: Re: How to diagnose memory leak in kvm-qemu-0.14.0?
Date: Fri, 20 May 2011 15:52:46 +0100 [thread overview]
Message-ID: <20110520145246.GN27422@bytemark.co.uk> (raw)
In-Reply-To: <BANLkTinZoJmP3uNw9L1-Be82Xy-A3gXeMg@mail.gmail.com>
On Fri May 20, 2011 at 15:32:34 +0100, Stefan Hajnoczi wrote:
> > virtio_blk_alloc_request 0.000 req=0x91e08f0 -> Allocation 1
> > virtio_blk_alloc_request 77.659 req=0x9215650 -> Allocation 2
>
> Are you sure this isn't the temporary one that is allocated but freed
> immediately once the virtqueue is empty:
Good catch. Adding traces above both the qemu_free() calls I can
see that the allocation & freeing of VirtIOBlockReq structures
is paired.
Looks like I'm going to have to bite the bullet and do real allocation
tracking.
Steve Kemp
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prev parent reply other threads:[~2011-05-20 14:52 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-18 16:44 How to diagnose memory leak in kvm-qemu-0.14.0? Steve Kemp
2011-05-19 8:40 ` Stefan Hajnoczi
2011-05-19 8:50 ` Stefan Hajnoczi
2011-05-19 11:00 ` Steve Kemp
2011-05-19 11:57 ` Steve Kemp
2011-05-20 11:01 ` Stefan Hajnoczi
2011-05-20 11:47 ` Steve Kemp
2011-05-20 13:16 ` Stefan Hajnoczi
2011-05-20 13:47 ` Steve Kemp
2011-05-20 14:32 ` Stefan Hajnoczi
2011-05-20 14:52 ` Steve Kemp [this message]
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