linux-kernel - Re: [PATCH 21/31] perf test: Enforce LLVM test, add kbuild test

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Date:	Mon, 19 Oct 2015 23:42:31 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Wang Nan <wangnan0@...wei.com>
Cc:	acme@...nel.org, ast@...mgrid.com, brendan.d.gregg@...il.com,
	a.p.zijlstra@...llo.nl, daniel@...earbox.net, dsahern@...il.com,
	hekuang@...wei.com, jolsa@...nel.org, lizefan@...wei.com,
	masami.hiramatsu.pt@...achi.com, paulus@...ba.org,
	linux-kernel@...r.kernel.org, pi3orama@....com,
	xiakaixu@...wei.com, Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH 21/31] perf test: Enforce LLVM test, add kbuild test

Hi,

On Wed, Oct 14, 2015 at 12:41:32PM +0000, Wang Nan wrote:
> This patch enforces existing LLVM test, makes it compile more than one
> BPF source file. The compiled results are stored, can be used for other
> testcases. Except the first testcase (named LLVM_TESTCASE_BASE), failures
> of other test cases are not considered as failure of the whole test.
> 
> Adds a kbuild testcase to check whether kernel headers can be correctly
> found.
> 
> For example:
> 
>  # perf test LLVM
> 
>    38: Test LLVM searching and compiling                        : (llvm.kbuild-dir can be fixed) Ok

IMHO it'd be better to keep the test result simply as either "Ok" or
"FAILED" and provide details with -v option.

Anyway I found the tracepoint error message is annoying in the current
perf test output.  Will send a fix soon.

Thanks,
Namhyung
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