linux-kernel - Re: [GIT PULL 00/12] perf/core improvements and fixes

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Message-ID: <20151029095129.GA6710@gmail.com>
Date:	Thu, 29 Oct 2015 10:51:29 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexei Starovoitov <ast@...mgrid.com>,
	Andi Kleen <ak@...ux.intel.com>, Borislav Petkov <bp@...e.de>,
	Brendan Gregg <brendan.d.gregg@...il.com>,
	Chandler Carruth <chandlerc@...il.com>,
	David Ahern <dsahern@...il.com>,
	"David S . Miller" <davem@...emloft.net>,
	Dima Kogan <dima@...retsauce.net>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Kan Liang <kan.liang@...el.com>,
	Li Zefan <lizefan@...wei.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Michael Petlan <mpetlan@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, pi3orama@....com,
	Stephane Eranian <eranian@...gle.com>,
	Wang Nan <wangnan0@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 00/12] perf/core improvements and fixes


* Ingo Molnar <mingo@...nel.org> wrote:

> One small detail I noticed, for some reason the following search does not work:
> 
>   triton:~/tip> perf report -h --invert
> 
>     Usage: perf report [<options>]
> 

Btw., another detail, if it searches but does not try, I think we should output a 
warning to the user.

Printing something like this would be more helpful:

   triton:~/tip> perf report -h --invert
 
     Search pattern '--invert' not found amongst the parameters. To resolve this 
     use a different search pattern or use '-h' to list all parameters.

Thanks,

	Ingo
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