linux-kernel - Re: [PATCH 2/2] perf record: Add --dry-run option to check cmdline options

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Message-ID: <20160616165040.GF13337@kernel.org>
Date:	Thu, 16 Jun 2016 13:50:40 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Wang Nan <wangnan0@...wei.com>
Cc:	linux-kernel@...r.kernel.org, pi3orama@....com,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Jiri Olsa <jolsa@...nel.org>
Subject: Re: [PATCH 2/2] perf record: Add --dry-run option to check cmdline
 options

Em Thu, Jun 16, 2016 at 01:48:15PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Jun 16, 2016 at 08:02:41AM +0000, Wang Nan escreveu:
> > With '--dry-run', 'perf record' doesn't do reall recording. Combine with
> > llvm.dump-obj option, --dry-run can be used to help compile BPF objects for
> > embedded platform.
> 
> So these are nice and have value, but can we have a subcommand to do all
> this with an expressive name, Something like:
> 
>   perf bpfcc foo.c -o foo
> 
> or shorter:
> 
>   perf bcc foo.c -o foo

BTW, I just applied both files. Testing them now.

- Arnaldo