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From: Juan Quintela <quintela@redhat.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org,
	anthony@codemonkey.ws, mst@redhat.com, chrisw@redhat.com,
	jes.sorensen@redhat.com
Subject: Re: [PATCH v2 0/4] virtio-net: More configurability and bh handling for tx
Date: Fri, 03 Sep 2010 15:11:20 +0200	[thread overview]
Message-ID: <m362ynnf9j.fsf@trasno.org> (raw)
In-Reply-To: <20100902150041.11862.65901.stgit@s20.home> (Alex Williamson's message of "Thu, 02 Sep 2010 09:00:42 -0600")

Alex Williamson <alex.williamson@redhat.com> wrote:
> Incorporated feedback.  txburst= and txtimer= are now "x-" prefixed
> developer options.  I added a tx= option, because I do want there to
> be a supported way to switch between TX strategies.  This also drops
> the magic value of txtimer= 1 or 0 (setting default timeout or switching
> modes).  I also dropped the trickiness around only enabling the bottom
> half for the iothread since Anthony indicates we don't care about
> performance for the non-iothread case.
>
> New performance data against both qemu.git and qemu-kvm.git:
>
> https://spreadsheets.google.com/pub?key=0AoEm50Bac2U7dGdlREhrWUpPVEdMcTJaX0RjSEgtc3c&hl=en&single=true&gid=0&output=html
>
> This shows the base performance versus patched with new default for
> various packet sizes and netperf test loads.  The guest is a 2-way
> SMP, connected directly to the host via a tap (no bridge).  Thanks,
>
> Alex

Acked-by: Juan Quintela <quintela@redhat.com>

(whole series)

Thanks very much for the cleanups,  I think it is clearer nicer now.

Later, Juan.

      parent reply	other threads:[~2010-09-03 13:13 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-02 15:00 [PATCH v2 0/4] virtio-net: More configurability and bh handling for tx Alex Williamson
2010-09-02 15:00 ` [PATCH v2 1/4] virtio-net: Make tx_timer timeout configurable Alex Williamson
2010-09-02 15:00 ` [PATCH v2 2/4] virtio-net: Limit number of packets sent per TX flush Alex Williamson
2010-09-02 15:01 ` [PATCH v2 3/4] virtio-net: Rename tx_timer_active to tx_waiting Alex Williamson
2010-09-02 15:01 ` [PATCH v2 4/4] virtio-net: Introduce a new bottom half packet TX Alex Williamson
2010-09-02 15:35 ` [PATCH v2 0/4] virtio-net: More configurability and bh handling for tx Michael S. Tsirkin
2010-09-03 13:11 ` Juan Quintela [this message]

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