linux-kernel - Re: [tip:perf/core] tools lib api fs: Remove debugfs, tracefs and findfs objects

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Message-ID: <20150924142919.GA2484@redhat.com>
Date:	Thu, 24 Sep 2015 11:29:19 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Matt Fleming <matt@...eblueprint.co.uk>
Cc:	Jiri Olsa <jolsa@...hat.com>, Vinson Lee <vlee@...pensource.com>,
	rostedt@...dmis.org, Jiri Olsa <jolsa@...nel.org>,
	raphael.beamonte@...il.com, "H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Namhyung Kim <namhyung@...nel.org>,
	linux-tip-commits@...r.kernel.org,
	Michael Petlan <mpetlan@...hat.com>
Subject: Re: [tip:perf/core] tools lib api fs: Remove debugfs, tracefs and
 findfs objects

Em Thu, Sep 24, 2015 at 01:15:51PM +0100, Matt Fleming escreveu:
> On Wed, 23 Sep, at 10:44:56AM, Arnaldo Carvalho de Melo wrote:
> > Of course, in these days of CI, I'd love if someone would hook 'make -C
> > tools/perf build-test' and 'perf test' somewhere to be run for every
> > changeset.
>   
> Yes please!

But then even this one would have not been caught, because the test in
place don't include trying to build tools/vm/, i.e. from time to time
something will pass and will be caught by people like Vinson, reported
and fixed :-)

> > BTW, tools/vm/ was reported yesterday and a fix is already in
> > tip/perf/core/:
> > 
> > https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/tools/vm?id=f6489bc2d402c0db84aa64f13b864d17f7eecb07
> > 
> > Age       Commit message (Expand)                                           Author                   Files Lines
> > 12 hours  tools vm: Fix build due to removal of tools/lib/api/fs/debugfs.h  Arnaldo Carvalho de Melo	1  -3/+3
 
> It's not that this wasn't fixed quickly (kudos for that, btw), rather
> it's that the breakage should have been avoided altogether.
 
> But if this is an isolated incident, then fair enough, I'll stop
> whining.

Expressing concern is not a problem, its an opportunity for us to try
and get them addressed and improve so that others don't get afraid of
the processes in place.

- Arnaldo
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