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From: Takuya Yoshikawa <takuya.yoshikawa@gmail.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Avi Kivity <avi@redhat.com>,
	Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>,
	Peter Zijlstra <peterz@infradead.org>,
	paulmck@linux.vnet.ibm.com, Oleg Nesterov <oleg@redhat.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	KVM list <kvm@vger.kernel.org>
Subject: Re: [RFC][PATCH] srcu: Implement call_srcu()
Date: Thu, 2 Feb 2012 00:42:49 +0900	[thread overview]
Message-ID: <20120202004249.adb9954c45225383510b6994@gmail.com> (raw)
In-Reply-To: <20120201134347.GA18998@amt.cnet>

On Wed, 1 Feb 2012 11:43:47 -0200
Marcelo Tosatti <mtosatti@redhat.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

  reply	other threads:[~2012-02-01 15:42 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-31 13:32 [RFC][PATCH] srcu: Implement call_srcu() Peter Zijlstra
2012-01-31 13:47 ` Avi Kivity
2012-01-31 13:50   ` Peter Zijlstra
2012-01-31 22:24     ` Paul E. McKenney
2012-02-01 10:22       ` Peter Zijlstra
2012-02-01 10:44         ` Avi Kivity
2012-02-01 10:49           ` Avi Kivity
2012-02-01 11:00             ` Takuya Yoshikawa
2012-02-01 11:01               ` Avi Kivity
2012-02-01 11:12                 ` Takuya Yoshikawa
2012-02-01 13:24                   ` Avi Kivity
2012-02-02  5:46                     ` [test result] dirty logging without srcu update -- " Takuya Yoshikawa
2012-02-02 10:10                       ` Avi Kivity
2012-02-02 10:21                         ` Takuya Yoshikawa
2012-02-02 10:21                           ` Avi Kivity
2012-02-02 10:40                             ` Takuya Yoshikawa
2012-02-02 11:02                               ` Avi Kivity
2012-02-02 14:44                                 ` Takuya Yoshikawa
2012-02-02 14:57                                   ` Avi Kivity
2012-02-01 13:43                 ` Marcelo Tosatti
2012-02-01 15:42                   ` Takuya Yoshikawa [this message]
2012-02-01 13:50             ` Marcelo Tosatti
2012-02-01 14:07         ` Paul E. McKenney

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