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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

  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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