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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "Xu, Dongxiao" <dongxiao.xu@intel.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PV-ops][PATCH 0/2] VNIF: Using smart polling instead of	event notification.
Date: Wed, 30 Sep 2009 16:41:59 -0700	[thread overview]
Message-ID: <4AC3ECC7.1090007@goop.org> (raw)
In-Reply-To: <EADF0A36011179459010BDF5142A457501CEB99EA5@pdsmsx502.ccr.corp.intel.com>

On 09/30/09 11:17, Xu, Dongxiao wrote:
> Resend the patch and CC Jeremy.
>
> One of the VNIF driver's scalability issues is the high event
> channel frequency. It's highly related to physical NIC's interrupt
> frequency in dom0, which could be 20K HZ in some situation. The
> high frequency event channel notification makes the guest and dom0
> CPU utilization at a high value, especially in multi-VM cases. 
> The following two patches uses smart polling mechanism to 
> replace event notification to reduce the CPU Utilization. 
>
> Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
>   

I'm having difficulty applying these because they're in quoted-printable
MIME format.  Could you resend them as attachments?

Thanks,
    J

  reply	other threads:[~2009-09-30 23:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-30 18:17 [PV-ops][PATCH 0/2] VNIF: Using smart polling instead of event notification Xu, Dongxiao
2009-09-30 23:41 ` Jeremy Fitzhardinge [this message]
  -- strict thread matches above, loose matches on Subject: below --
2009-10-01  0:11 Xu, Dongxiao
2009-10-01  0:21 ` Jeremy Fitzhardinge
2009-09-30  7:21 Xu, Dongxiao
2009-09-30  7:54 ` Keir Fraser
2009-09-30 17:33   ` Xu, Dongxiao

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