On 09/21/2012 09:34 AM, Paolo Bonzini wrote: > Il 21/09/2012 16:08, Juan Quintela ha scritto: >> We call buffered_put_buffer with iothread held, and buffered_flush() does >> synchronous writes. We only want to do the synchronous writes outside. >>
> > This means that the buffer can grow to up to s->xfer_limit bytes. > Perhaps you want to make the granularity (currently fixed to 100ms) a > bit smaller, like 20-30 ms, if the bandwidth limit grows above say 100 > MB/sec? This can be done on top of this series however. Note that libvirt intentionally tries to raise the bandwidth as high as possible in cases where the user did not request a particular bandwidth. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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