From: Ingo Molnar <mingo@elte.hu>
To: Asias He <asias.hejun@gmail.com>
Cc: Pekka Enberg <penberg@kernel.org>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Sasha Levin <levinsasha928@gmail.com>,
Prasad Joshi <prasadjoshi124@gmail.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH 2/2] kvm tools: Respect VRING_AVAIL_F_NO_INTERRUPT
Date: Sat, 7 May 2011 09:55:27 +0200 [thread overview]
Message-ID: <20110507075527.GA25065@elte.hu> (raw)
In-Reply-To: <1304735660-10844-2-git-send-email-asias.hejun@gmail.com>
* Asias He <asias.hejun@gmail.com> wrote:
> Do not inject IRQ when guest suppress it.
>
> This can reduce IRQ injection further and bumps
> host to guest bandwitdh to 6178.78 Mbps(cpu 63.96%).
Very nice!
Btw., do we have a firm resolution for the ping latency problem that the virtio
ring-buffer and net driver suffered from? If it's fixed, which commit fixed the
root cause?
Thanks,
Ingo
next prev parent reply other threads:[~2011-05-07 7:55 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-07 2:34 [PATCH 1/2] kvm tools: Respect ISR status in virtio header Asias He
2011-05-07 2:34 ` [PATCH 2/2] kvm tools: Respect VRING_AVAIL_F_NO_INTERRUPT Asias He
2011-05-07 7:55 ` Ingo Molnar [this message]
2011-05-07 9:03 ` Pekka Enberg
2011-05-07 11:25 ` Asias He
2011-05-07 9:30 ` [PATCH 1/2] kvm tools: Respect ISR status in virtio header Ingo Molnar
2011-05-07 10:34 ` Sasha Levin
2011-05-07 10:39 ` Pekka Enberg
2011-05-07 10:39 ` Asias He
2011-05-07 11:15 ` Asias He
2011-05-07 14:00 ` Ingo Molnar
2011-05-07 14:24 ` Asias He
2011-05-07 13:14 ` Anthony Liguori
2011-05-07 14:02 ` Ingo Molnar
2011-05-07 14:21 ` Anthony Liguori
2011-05-07 14:47 ` Ingo Molnar
2011-05-07 14:52 ` Pekka Enberg
2011-05-07 14:55 ` Ingo Molnar
2011-05-07 14:50 ` Pekka Enberg
2011-05-07 15:01 ` Anthony Liguori
2011-05-07 15:02 ` Pekka Enberg
2011-05-07 15:06 ` Ingo Molnar
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