linux-kernel - Re: perf tools regression testing was Re: [PATCH v3 1/9] perf hists: Move hists

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Date:	Tue, 25 Sep 2012 11:10:17 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Feng Tang <feng.tang@...el.com>, mingo@...e.hu,
	a.p.zijlstra@...llo.nl, andi@...stfloor.org,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: perf tools regression testing was Re: [PATCH v3 1/9] perf hists:
 Move hists_init() from util/evsel.c to util/hist.c

Em Tue, Sep 25, 2012 at 10:47:48PM +0900, Namhyung Kim escreveu:
> 2012-09-25 (화), 10:30 -0300, Arnaldo Carvalho de Melo:
> > Em Tue, Sep 25, 2012 at 09:59:02PM +0900, Namhyung Kim escreveu:
> > > Now I'm thinking of making it build-time test so that it can be executed
> > > by make when specific argument is given - e.g. make C=1 ?

> > I think there is room for a 'make -C tools/perf check' that would use
> > the 'expect' tool to do not just this but also run record, report, etc
> > and check its output against what is expected, perf test is ok for
> > checking the APIs, but we need a test suite for the actual builtins as
> > called from the command line.

> Hmm.. we have 'make check' but running it ended up tons of macro
> redefinition and unknown attribute warnings from sparse. :/

Ok, then 'make test', that would run 'perf test' + the expect like
tests.

I'm trying to figure out if http://www.noah.org/python/pexpect/ is a
better choice, that way we don't have to learn yet another scripting
language.

- Arnaldo
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