Re: [PATCH] RFC: perf, tools: Move gtk browser into separate perfgtkexecutable

From: Arnaldo Carvalho de Melo
Date: Wed Aug 14 2013 - 10:13:15 EST


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
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