linux-kernel - Re: [GIT PULL 00/12] perf tools fixes

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Message-ID: <4E7D52AE.4000106@gmail.com>
Date:	Fri, 23 Sep 2011 21:46:54 -0600
From:	David Ahern <dsahern@...il.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, Anton Blanchard <anton@...ba.org>,
	Darren Hart <dvhart@...ux.intel.com>,
	"David S . Miller" <davem@...emloft.net>,
	Eric B Munson <emunson@...bm.net>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ian Munsie <imunsie@....ibm.com>, Ingo Molnar <mingo@...e.hu>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Peter Zijlstra <peterz@...radead.org>,
	Robert Richter <robert.richter@....com>,
	Stephane Eranian <eranian@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	yrl.pp-manager.tt@...achi.com
Subject: Re: [GIT PULL 00/12] perf tools fixes



On 09/23/2011 05:46 PM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Sep 23, 2011 at 04:12:54PM -0700, Linus Torvalds escreveu:
>> On Fri, Sep 23, 2011 at 2:25 PM, Arnaldo Carvalho de Melo
>> <acme@...radead.org> wrote:
>>>
>>> Sorry about the noise, there is a problem in the way the python binding
>>> is built, i.e. it should notice that the header changed and rebuild the
>>> python binding, I bet this was what made David not notice it :-\
>>
>> Can you please make sure that gets fixed at some point too? No huge
>> hurry, it can wait for the next merge window, but bugs like that not
>> only cause this kind of stupid compile errors, they also cause really
>> odd "why doesn't it work" problems that people can spend tons and tons
>> of time debugging, because they don't really "exist" - they're just a
>> result of a stale object file that didn't get properly recompiled.
> 
> Will get that fixed. Its a hell of a lot annoying to me.

My sincere apologies for introducing such a dumb failure; I always test
the hell out of my patches before submitting them.

In this case I did not have the python-devel rpm installed, so the
python path in perf was not traversed and I did not trip on this.
Situation remedied on my end.

Yes, the correct arg is 0.

David


>  
>>> You noticed it probably because it was the first build of the tool on
>>> your local repo or used a new O= output dir.
>>
>> I do "git clean -dqfx" every once in a while (especially after having
>> done "make allmodconfig" builds before -rc releases etc), and I don't
>> recompile the perf tools very often. So yeah, this was the first build
>> after a cleanout event.
> 
> Thanks for testing it that way. I'll do my best not to fail in such last
> minute -rc tests. <expletives about world-as-whe-known-it-falling-apart>
> removed. :-P
> 
> - Arnaldo
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