linux-kernel - Re: [PATCH v2 0/3] perf,x86: add Intel RAPL PMU support

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Message-ID: <20131017091200.GE5036@pd.tnic>
Date:	Thu, 17 Oct 2013 11:12:00 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Stephane Eranian <eranian@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Jiri Olsa <jolsa@...hat.com>,
	"Yan, Zheng" <zheng.z.yan@...el.com>
Subject: Re: [PATCH v2 0/3] perf,x86: add Intel RAPL PMU support

On Thu, Oct 17, 2013 at 11:07:30AM +0200, Peter Zijlstra wrote:
> The downside to such a sysfs entry will be the scope. It would either
> be pmu wide (unwieldy for many PMUs) or be only per listed event; and
> we really don't want exhaustive event lists in the kernel.

So why not teach perf tool to recognize the PMU instead of adding
anything to the kernel?

It seems much easier to me...

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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