linux-kernel - Re: [PATCH 1/8][v4] powerpc/perf: Rename Power8 macros to start with PME

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Message-ID: <52393904.4030800@linux.vnet.ibm.com>
Date:	Wed, 18 Sep 2013 10:54:20 +0530
From:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
CC:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Stephane Eranian <eranian@...gle.com>,
	Michael Ellerman <michaele@....ibm.com>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH 1/8][v4] powerpc/perf: Rename Power8 macros to start with
 PME

On 09/14/2013 06:19 AM, Sukadev Bhattiprolu wrote:
> We use helpers like GENERIC_EVENT_ATTR() to list the generic events in
> sysfs. To avoid name collisions, GENERIC_EVENT_ATTR() requires the perf
> event macros to start with PME.

We got all the raw event codes covered for P7 with the help of power7-events-list.h
enumeration.

/*
 * Power7 event codes.
 */
#define EVENT(_name, _code) \
	PME_##_name = _code,

enum {
#include "power7-events-list.h"
};
#undef EVENT

Just wondering if its a good idea to name change these selected macros to be consumed
by GENERIC_EVENT_ATTR() right here for this purpose or we need to get the comprehensive
list of raw events for P8 first. Just an idea.

Regards
Anshuman

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