linux-kernel - Re: unresponsiveness on linux desktop during file copy

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Message-ID: <20090517131113.GA25195@localhost>
Date:	Sun, 17 May 2009 21:11:13 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Satish Eerpini <eerpini@...il.com>
Cc:	Rik van Riel <riel@...hat.com>, Ray Lee <ray-lk@...rabbit.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: unresponsiveness on linux desktop during file copy

On Sun, May 17, 2009 at 09:03:48PM +0800, Satish Eerpini wrote:
> > Or maybe the time is spent in gnome-terminal or bash?
> > What if you change them to xterm and dash?
> >
> ok here you go , I ran "strace -o log -tt clear " on xterm and dash :
> 
> "log "

Again, it's pretty fast: 

begin with:
> 18:31:02.162301 execve("/usr/bin/clear", ["clear"], [/* 49 vars */]) = 0

end with:
> 18:31:02.167613 exit_group(0)           = ?

So the elapsed time for "clear" is about 5ms.
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