linux-kernel - Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs

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Message-ID: <20150715112015.GA3868@kernel.org>
Date:	Wed, 15 Jul 2015 08:20:15 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	"Wangnan (F)" <wangnan0@...wei.com>
Cc:	ast@...mgrid.com, linux-kernel@...r.kernel.org, lizefan@...wei.com,
	hekuang@...wei.com, xiakaixu@...wei.com, pi3orama@....com
Subject: Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering
 events using eBPF programs

Em Wed, Jul 15, 2015 at 06:49:40PM +0800, Wangnan (F) escreveu:
> On 2015/7/14 23:36, Arnaldo Carvalho de Melo wrote:
> >I have the trees cloned and plan to follow these instructions to have this test
> >passing, to then move on to the next patches, but one request, please change
> >the above to produce:

> >38: Test LLVM searching and compiling                        :(no clang) Ok	run 'perf test -v LLVM' for instructions on having a clang environment

> The output format you desire is hard to implement, because 'Ok' is printed
> by the parent process. We have to find a way to allow child process to pass
> 'run 'perf test -v LLVM' for ...' to parent, then parent can print it
> after 'Ok'.
 
> I change this test as follow:

>From a quick look: excellent, thanks for improving this, I downloaded
llvm and clang, built it, and the test passes, will apply this new patch
and continue from there,

- Arnaldo
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