linux-kernel - Re: perf: Add support for full Intel event lists

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Message-ID: <20140310221420.GM22728@two.firstfloor.org>
Date:	Mon, 10 Mar 2014 23:14:20 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	Andi Kleen <andi@...stfloor.org>, acme@...radead.org,
	mingo@...nel.org, linux-kernel@...r.kernel.org,
	peterz@...radead.org, eranian@...gle.com, namhyung@...nel.org,
	jolsa@...hat.com
Subject: Re: perf: Add support for full Intel event lists

On Mon, Mar 10, 2014 at 07:39:14PM +0000, Ben Hutchings wrote:
> On Wed, 2014-03-05 at 11:49 -0800, Andi Kleen wrote:
> [...]
> > I implemented an automatic downloader to get the event file for the
> > current CPU.  The events are stored in ~/.events.
> [...]
> 
> This directory should be placed under $XDG_CACHE_DIR (default:
> ~/.cache), and should have a more specific name like 'perf-events'.

Ok.

I don't like calling it perf-events because it will be used
by other non perf tools too. I guess pmu-events could do.

> 
> It might be useful to also support a system directory for these,
> under /var/cache.

I don't want people shipping those.  It just causes lots 
of outdated events everywhere, like in oprofile.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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