linux-kernel - Re: [PATCH 4/9] perf, tools: Automatically look for event file name for cpu v3

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Date:	Wed, 9 Jul 2014 06:07:59 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	Andi Kleen <andi@...stfloor.org>, jolsa@...hat.com,
	linux-kernel@...r.kernel.org, namhyung@...nel.org,
	acme@...radead.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 4/9] perf, tools: Automatically look for event file
 name for cpu v3

> Is EVENTMAP a new environment variable ? If specific to PERF, should
> we prefix it with "PERF_" to avoid collision?

It's not perf specific, but shared with other tools (e.g. pmu-tools)
> 
> Would all/many architectures need this "-core" suffix or is that Intel
> specific ?

You don't need it, just specify a full name.

> Is the intent that architectures that don't need this should simply
> never set EVENTMAP variable ?

Any architecture can use EVENTMAP, it just points to a json file.

-Andi

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