linux-kernel - Re: [PATCH v1 1/2] perf,x86: add Intel RAPL PMU support

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Message-ID: <20131007203348.GK3081@twins.programming.kicks-ass.net>
Date:	Mon, 7 Oct 2013 22:33:48 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <ak@...ux.intel.com>
Cc:	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, acme@...hat.com,
	jolsa@...hat.com, zheng.z.yan@...el.com
Subject: Re: [PATCH v1 1/2] perf,x86: add Intel RAPL PMU support

On Mon, Oct 07, 2013 at 12:22:58PM -0700, Andi Kleen wrote:
> On Mon, Oct 07, 2013 at 08:08:10PM +0200, Peter Zijlstra wrote:
> > On Mon, Oct 07, 2013 at 10:55:42AM -0700, Andi Kleen wrote:
> > > This would in principle allow making it a module later (if perf ever
> > > supports that)
> > 
> > IIRC its a few EXPORTs away from being able to do that.
> 
> Great. With ~700k text that would be a good thing.
> After all most users don't develop.
> 
> Hopefully we can get there soon.
> 
> Is anyone actively working on it?

All of perf being a module; no and that's not actually going to happen.
PMU driver modules should be fairly simple though.

Dunno if anybody is working on that, I typically consider my .config
broken if its got =m in it.
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