linux-kernel - Re: [PATCH v4 4/7] powerpc/powernv: detect supported nest pmus and its events

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Message-ID: <20150709213058.GC7255@us.ibm.com>
Date:	Thu, 9 Jul 2015 14:30:58 -0700
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	Michael Ellerman <mpe@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Anton Blanchard <anton@...ba.org>,
	Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
	Stephane Eranian <eranian@...gle.com>, peterz@...radead.org
Subject: Re: [PATCH v4 4/7] powerpc/powernv: detect supported nest pmus and
 its events

Madhavan Srinivasan [maddy@...ux.vnet.ibm.com] wrote:
| 
| > Are the 'start.*' and 'unit.*' files events by themselves or just attributes
| > of events?
| 
| These are attributes needed for computation. unit and scale attributes
| will be used by perf tool in post-processing the counter data. These
| can also use by other tools like pcp.

OK. Thanks for clarifying.

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