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

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Message-ID: <20110923233158.GB8543@ghostprotocols.net>
Date:	Fri, 23 Sep 2011 20:31:58 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Anton Blanchard <anton@...ba.org>,
	Darren Hart <dvhart@...ux.intel.com>,
	David Ahern <dsahern@...il.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

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.

At the top of the fix-it todo-list, not only because it annoys you, but
also because it annoys the hell out of me :-\
 
> > 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.

I'll get it fixed if none of the make guys out there do me this favor.
:-\

- Arnaldo
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