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SubjectRe: [PATCH v4 0/5] vsock/virtio: optimizations to increase the throughput
On Mon, Jul 22, 2019 at 10:08:35AM +0100, Stefan Hajnoczi wrote:
> On Wed, Jul 17, 2019 at 01:30:25PM +0200, Stefano Garzarella wrote:
> > This series tries to increase the throughput of virtio-vsock with slight
> > changes.
> > While I was testing the v2 of this series I discovered an huge use of memory,
> > so I added patch 1 to mitigate this issue. I put it in this series in order
> > to better track the performance trends.
> >
> > v4:
> > - rebased all patches on current master (conflicts is Patch 4)
> > - Patch 1: added Stefan's R-b
> > - Patch 3: removed lock when buf_alloc is written [David];
> > moved this patch after "vsock/virtio: reduce credit update messages"
> > to make it clearer
> > - Patch 4: vhost_exceeds_weight() is recently introduced, so I've solved some
> > conflicts
>
> Stefano: Do you want to continue experimenting before we merge this
> patch series? The code looks functionally correct and the performance
> increases, so I'm happy for it to be merged.

I think we can merge this series.

I'll continue to do other experiments (e.g. removing TX workers, allocating
pages, etc.) but I think these changes are prerequisites for the other patches,
so we can merge them.

Thank you very much for the reviews!
Stefano

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