linux-kernel - Re: [PATCH 1/3] perf/e6500: Make event translations available in sysfs

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Message-ID: <20150209121132.GB3952@krava.redhat.com>
Date:	Mon, 9 Feb 2015 13:11:32 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Andi Kleen <andi@...stfloor.org>,
	Tom Huynh <tom.huynh@...escale.com>, benh@...nel.crashing.org,
	paulus@...ba.org, mpe@...erman.id.au, mingo@...hat.com,
	acme@...nel.org, Kim.Phillips@...escale.com,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] perf/e6500: Make event translations available in
 sysfs

On Mon, Feb 09, 2015 at 11:07:38AM +0100, Ingo Molnar wrote:
> 
> * Peter Zijlstra <peterz@...radead.org> wrote:
> 
> > On Fri, Feb 06, 2015 at 04:43:54PM -0600, Tom Huynh wrote:
> > >  arch/powerpc/perf/e6500-events-list.h         | 289 ++++++++++++++++++++++++++
> > 
> > That's a lot of events to stuff in the kernel, would a 
> > userspace list not be more convenient?
> > 
> > ISTR there being various discussions on providing support 
> > for that in tools/perf, Jiri?
> 
> As long as it's in a single well organized place in tools/, 
> I'd be fine with that solution as well.
> 
> What doesn't work very well is disjunct, disorganized, 
> inconsistent event descriptions all across the tooling and 
> platform landscape - putting static tables into sysfs is a 
> marked improvement over that, despite its memory usage.

the last version is in here:
http://marc.info/?l=linux-kernel&m=140676269017820&w=2

AFAIK Andi is setting up the download area as discussed
in the thread and should repost at some point

jirka
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