linux-kernel - Re: [patch 00/24] perfmon: introduction

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Message-ID: <18733.8024.91224.512595@cargo.ozlabs.ibm.com>
Date:	Wed, 26 Nov 2008 21:05:12 +1100
From:	Paul Mackerras <paulus@...ba.org>
To:	eranian@...glemail.com
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	mingo@...e.hu, x86@...nel.org, andi@...stfloor.org,
	eranian@...il.com, sfr@...b.auug.org.au
Subject: Re: [patch 00/24] perfmon: introduction

eranian@...glemail.com writes:

> This new version, named perfmon3, uses only 5 system calls (instead of 12).
> Each call was carefully designed to allow for future extensions. 

I notice that the userspace stuff in CVS assumes perfmon3 has 7 system
calls, the 5 added here plus pfm_create_sets and pfm_getinfo_sets.
Are you planning to add those two later (in which case we should
reserve the numbers now), or are you going to implement the
functionality of those two in pfm_write and pfm_read?

Regards,
Paul.
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