linux-kernel - Re: [PATCH] perf: Power7: Make CPI stack events available in sysfs

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Message-ID: <20130415061508.GD21147@concordia>
Date:	Mon, 15 Apr 2013 16:15:09 +1000
From:	Michael Ellerman <michael@...erman.id.au>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linuxppc-dev@...abs.org, Paul Mackerras <paulus@...ba.org>,
	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH] perf: Power7: Make CPI stack events available in sysfs

On Sat, Apr 06, 2013 at 09:48:03AM -0700, Sukadev Bhattiprolu wrote:
> From bdeacf7175241f6c79b5b2be0fa6b20b0d0b7d1c Mon Sep 17 00:00:00 2001
> From: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
> Date: Sat, 6 Apr 2013 08:48:26 -0700
> Subject: [PATCH] perf: Power7: Make CPI stack events available in sysfs
> 
> A set of Power7 events are often used for Cycles Per Instruction (CPI) stack
> analysis. Make these events available in sysfs (/sys/devices/cpu/events/) so
> they can be identified using their symbolic names:
> 
> 	perf stat -e 'cpu/PM_CMPLU_STALL_DCACHE_MISS/' /bin/ls

Should we take these two via the powerpc tree? Or do you want to take
them Arnaldo?

cheers
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