linux-kernel - Re: [PATCH 1/8] perf tools: Add '.' as part of the event 'name' token

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Date:	Sat, 4 May 2013 10:10:17 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Stephane Eranian <eranian@...gle.com>,
	Jiri Olsa <jolsa@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 1/8] perf tools: Add '.' as part of the event 'name' token


* Peter Zijlstra <peterz@...radead.org> wrote:

> > I meant to add that I think it would be more productive if we (you and I) were
> > to work on the library to extend it with external text-based event tables that
> > could be used by perf either directly or thru the libpfm4 interface.
> 
> That would be very useful indeed.. I think we talked about this before. 
> Also wasn't there some vendor support for this idea as well?
> 
> I think we want a format that is relatively simple to parse and human 
> readable (which excludes XML on both counts ;-).
> 
> The main objection of using libpfm4 has always been that its primarily 
> something else.  It also does the event listing thing, but that's only a 
> small part of it.
> 
> But if we can split out that part and use it in both projects that would 
> be best I think.

If that libpfm reference library moved to tools/lib/ like 
tools/lib/traceevents/ then that would be a nice, useful solution indeed.

Thanks,

	Ingo
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