linux-kernel - Re: [RFC][PATCH] srcu: Implement call

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Message-Id: <20120202004249.adb9954c45225383510b6994@gmail.com>
Date:	Thu, 2 Feb 2012 00:42:49 +0900
From:	Takuya Yoshikawa <takuya.yoshikawa@...il.com>
To:	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	Avi Kivity <avi@...hat.com>,
	Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>,
	Peter Zijlstra <peterz@...radead.org>,
	paulmck@...ux.vnet.ibm.com, Oleg Nesterov <oleg@...hat.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>
Subject: Re: [RFC][PATCH] srcu: Implement call_srcu()

On Wed, 1 Feb 2012 11:43:47 -0200
Marcelo Tosatti <mtosatti@...hat.com> wrote:

> > > I can show you some performance numbers, this weekend, if you like.
> > 
> > That'll be great, numbers are better than speculation.
> 
>   get dirty log:    5634134 ns for     262144 dirty pages
> 
> 5ms (for the entire operation).
> 

I have mixed my personal patch series and Avi's comments, and ...

I am now getting really good improvements for every number of dirty pages.
(might be a dream, so checking now ... will soon report)

	Takuya
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