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From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: Vince Weaver <vince@deater.net>
Cc: Ingo Molnar <mingo@kernel.org>,
	Christoph Hellwig <hch@infradead.org>,
	Andi Kleen <andi@firstfloor.org>,
	linux-kernel@vger.kernel.org, Andi Kleen <ak@linux.intel.com>,
	Namhyung Kim <namhyung.kim@lge.com>,
	peterz@infradead.org
Subject: Re: [PATCH] RFC: perf, tools: Move gtk browser into separate perfgtk executable
Date: Wed, 14 Aug 2013 11:13:01 -0300	[thread overview]
Message-ID: <20130814141301.GA2138@ghostprotocols.net> (raw)
In-Reply-To: <alpine.DEB.2.02.1308131749330.9154@pianoman.cluster.toy>

Em Tue, Aug 13, 2013 at 05:57:16PM -0400, Vince Weaver escreveu:
> On Tue, 13 Aug 2013, Ingo Molnar wrote:
> > that can only be addressed by either extending 'perf test' or by testing 
> > libpfm et al sooner. The upstream kernel can only address regressions that 
> > get reported.
 
> Most of the tests in my test-suite are reactive.  Meaning, I wrote them 
> after an ABI-breaking change was reported elsewhere, and I needed a small 
> test case for bisection purposes.  Thus they are good for finding if a 
> corner of the perf ABI re-breaks but they're not great at spotting new 
> breakages.
 
> Writing a complete test suite for something as complicated as the 
> perf-event ABI is impractical.  One thing you can do is require anyone 
> submitting new functionality also provide a regression test, but

Agreed.

> I don't see that happening.

See some of Namhyung, Adrian and Jiri recent patchsets, they came with
'perf test' regression tests.
 
- ARnaldo

  parent reply	other threads:[~2013-08-14 14:13 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-05  2:22 [PATCH] RFC: perf, tools: Move gtk browser into separate perfgtk executable Andi Kleen
2013-08-05  8:16 ` Ingo Molnar
2013-08-05  8:23   ` Christoph Hellwig
2013-08-05  8:31     ` Ingo Molnar
2013-08-05  8:34       ` Christoph Hellwig
2013-08-05  9:08         ` Ingo Molnar
2013-08-06  6:19           ` Christoph Hellwig
2013-08-12 18:19             ` Ingo Molnar
2013-08-12 19:25               ` Vince Weaver
2013-08-13 10:48                 ` Ingo Molnar
2013-08-13 12:11                   ` Arnaldo Carvalho de Melo
2013-08-13 16:00                     ` Ingo Molnar
2013-08-13 21:57                       ` Vince Weaver
2013-08-13 22:17                         ` Andi Kleen
2013-08-14 14:13                         ` Arnaldo Carvalho de Melo [this message]
2013-08-14 14:20                           ` Ingo Molnar
2013-08-13 14:03                   ` Vince Weaver
2013-08-13 16:04                     ` Ingo Molnar
2013-08-05  9:08     ` Namhyung Kim
2013-08-05  9:12       ` Ingo Molnar
2013-08-05  9:18         ` Pekka Enberg
2013-08-05 19:10       ` Andi Kleen

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