Re: How to diagnose memory leak in kvm-qemu-0.14.0?

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On Thu May 19, 2011 at 09:40:41 +0100, Stefan Hajnoczi wrote:

> You are exercising both networking and storage.  Have you cut the test
> down to just wget vs cp/rm?

  Both seem to leak; but the cp/rm leaks more.  Which suggests to me
 that we're seeing a leak in the virtio block handling.

> Also why the sleep 10?

  Just to keep the machine responsive!

> If you are building qemu-kvm from source you might like to enable
> tracing to track memory allocations in qemu-kvm.  For full information
> see qemu-kvm/docs/tracing.txt.

  Thanks that was a good read, and your wee recipe was very useful.

  I'm now rebuilding with tracing of virtio stuff to see if anything
 leaps out at me.

> Feel free to contact me on #qemu (oftc) or #kvm (freenode) IRC if you
> want some pointers, my nick is stefanha.

  Thanks a lot.

Steve Kemp
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