linux-kernel - Re: [PATCH 2/9] perf, tools, stat: Support up-scaling of events

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Message-ID: <20150811171753.GH1747@two.firstfloor.org>
Date:	Tue, 11 Aug 2015 19:17:53 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Andi Kleen <ak@...ux.intel.com>,
	acme@...nel.org, jolsa@...nel.org, linux-kernel@...r.kernel.org,
	eranian@...gle.com, namhyung@...nel.org, peterz@...radead.org,
	mingo@...nel.org
Subject: Re: [PATCH 2/9] perf, tools, stat: Support up-scaling of events

On Tue, Aug 11, 2015 at 07:13:41PM +0200, Jiri Olsa wrote:
> On Tue, Aug 11, 2015 at 07:00:37PM +0200, Andi Kleen wrote:
> > > how about existing scale attributes, like in rapl code
> > 
> > I'm using the existing scale attribute, but I need a multiplication,
> > not a division. That is why negative scale was redefined to mean
> > multiplication.
> 
> your new perf tool code (perf/top-down-2 branch) over the rapl counter:

Thanks I'll look at it. Perhaps can also use a fraction scale instead
of the negative scale.

-Andi
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