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Message-ID: <1333359773.25602.24.camel@zakaz.uk.xensource.com>
Subject: Re: [Xen-devel] [PATCH RFC V6 0/11] Paravirtualized ticketlocks
From: Ian Campbell <Ian.Campbell@citrix.com>
To: Thomas Gleixner <tglx@linutronix.de>
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Date: Mon, 2 Apr 2012 10:42:53 +0100
In-Reply-To: <alpine.LFD.2.02.1203302333560.2542@ionos>
References: <20120321102041.473.61069.sendpatchset@codeblue.in.ibm.com>
	 <4F7616F5.4070000@zytor.com> <alpine.LFD.2.02.1203302333560.2542@ionos>
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On Fri, 2012-03-30 at 23:07 +0100, Thomas Gleixner wrote:
> So if we need to fiddle with the scheduler and frankly that's the only
> way to get a real gain (the numbers, which are achieved by this
> patches, are not that impressive) then the question arises whether we
> should turn the whole thing around.

It probably doesn't materially effect your core point (which seems valid
to me) but it's worth pointing out that the numbers presented in this
thread are AFAICT mostly focused on ensuring that that the impact of
this infrastructure is acceptable on native rather than showing the
benefits for virtualized workloads.

Ian.