linux-kernel - Re: [PATCH] perf auto-dep: Speed up feature tests by building them in parallel

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Date:	Mon, 30 Sep 2013 14:30:52 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	David Ahern <dsahern@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...il.com>
Subject: Re: [PATCH] perf auto-dep: Speed up feature tests by building them
 in parallel

Em Mon, Sep 30, 2013 at 02:27:41PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Sep 30, 2013 at 02:12:20PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Mon, Sep 30, 2013 at 06:42:10PM +0200, Ingo Molnar escreveu:
> > > This series (with combo patch attached) implements (much) faster 
> > > perf-tools feature-auto-detection.

> > Cool stuff!

> > Testing:


Removed python-devel and it correctly turned those off:

...                     libpython: [ OFF ]
...             libpython-version: [ OFF ]

One possible way to speed this up a bit more would be to somehow state that if
the test A fails, then don't even bother testing test B, like in the case above.

- Arnaldo
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