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Re: [Qemu-devel] coroutine pool memory usage


From: Paolo Bonzini
Subject: Re: [Qemu-devel] coroutine pool memory usage
Date: Thu, 27 Aug 2015 11:23:57 -0400 (EDT)

> i was debugging increased memory footprint of qemu over the past time and
> found that the coroutine pool heap usage can grow up to 70MB by just booting
> an Ubuntu Live CD. And those 70MB are never freed.
>
> Is this expected? Wouldn't it make sense to asynchronically throw some
> coroutines (or at least their stack) away if there is no I/O?

Yes, perhaps that can be added.  But is it RSS that increases, or is it just
wasted address space?

Paolo



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