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Message-ID: <4DB42988.7060607@gmail.com>
Date: Sun, 24 Apr 2011 07:45:44 -0600
From: David Ahern <dsahern@gmail.com>
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To: Tim Blechmann <tim@klingt.org>, Lin Ming <ming.m.lin@intel.com>
CC: Peter Zijlstra <peterz@infradead.org>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [2.6.39-rc2] perf top fails to mmap - bisected to 70db7533
References: <inhgjs$54a$1@dough.gmane.org> <BANLkTikWpnnHAfO2n2rN6ExtQyrsVaiqEQ@mail.gmail.com> <1303570271.3363.4.camel@localhost> <201104241347.52486.tim@klingt.org>
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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.

> 
>> >From 89f1ab02cd8da55f8829b2f2d7e700fdae77b3af Mon Sep 17 00:00:00 2001
>>
>> From: Lin Ming <ming.m.lin@intel.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@intel.com>
> 
> Tested-by: Tim Blechmann <tim@klingt.org>
> 
> cheers, tim
>