linux-kernel - Re: [RFC/PATCH v2] perf report: Show random usage tip on the help line

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Date:	Thu, 7 Jan 2016 19:15:55 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Wang Nan <wangnan0@...wei.com>
Subject: Re: [RFC/PATCH v2] perf report: Show random usage tip on the help
 line

On Thu, Jan 07, 2016 at 05:47:53PM +0100, Andi Kleen wrote:
> On Thu, Jan 07, 2016 at 04:46:22PM +0900, Namhyung Kim wrote:
> > Currently perf report only shows a help message "For a higher level
> > overview, try: perf report --sort comm,dso" unconditionally (even if
> > the sort keys were used).  Add more help tips and show randomly.
> > 
> > Load tips from ${prefix}/share/doc/perf-tip/tips.txt file.
> 
> It would be better to compile them in in at build time from
> the documentation file.
> 
> Often perf is not installed, and if people don't install they
> never see the tips.

+1 ;-)

jirka