linux-kernel - Re: [2.6.39-rc2] perf top fails to mmap

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Message-Id: <1303657324.2239.26.camel@localhost>
Date:	Sun, 24 Apr 2011 23:02:04 +0800
From:	Lin Ming <ming.m.lin@...el.com>
To:	David Ahern <dsahern@...il.com>
Cc:	Tim Blechmann <tim@...ngt.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [2.6.39-rc2] perf top fails to mmap - bisected to 70db7533

On Sun, 2011-04-24 at 21:45 +0800, David Ahern wrote:
> 
> On 04/24/11 05:47, Tim Blechmann wrote:
> >>>> I know you've been busy with other stuff the past few weeks, but have
> >>>> you had a chance to look into this? Basically, perf in 2.6.39 is broken
> >>>> when trying to profile a process (-p argument to record or top).
> >>>
> >>> Let me take a look at this.
> >>
> >> Below patch fixes the same problem on my box.
> >> Could you have a try it?
> > 
> > i have done some quick tests with this patch applied on linus/master ... works 
> > fine for me, thanks a lot!
> 
> Works for me as well.

Thanks for test.

I have send out the format patch.
http://marc.info/?l=linux-kernel&m=130365710014862&w=2

Lin Ming

> 
> > 
> >> >From 89f1ab02cd8da55f8829b2f2d7e700fdae77b3af Mon Sep 17 00:00:00 2001
> >>
> >> From: Lin Ming <ming.m.lin@...el.com>
> >> Date: Sat, 23 Apr 2011 14:54:33 +0000
> >> Subject: [PATCH] perf: Allow set output event for task in the same thread
> >> group
> >>
> >> Signed-off-by: Lin Ming <ming.m.lin@...el.com>
> > 
> > Tested-by: Tim Blechmann <tim@...ngt.org>
> > 
> > cheers, tim
> > 


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