Re: [Qemu-block] coroutine pool memory usage

[Peter Lieven]

Am 27.08.2015 um 17:23 schrieb Paolo Bonzini:
> > 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?

Sorry, false alarm. I had a debugger running and in this case all memory
seems to be allocated. RSS is fine. I tracked the actual stack space that
is used to around 1400 Byte per coroutine. So no problem.

Peter