linux-kernel - Re: [RFCv2 0/8] perf tool: Add new event group management

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Message-ID: <20120527150841.GO27374@one.firstfloor.org>
Date:	Sun, 27 May 2012 17:08:41 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Ulrich Drepper <drepper@...il.com>
Cc:	Jiri Olsa <jolsa@...hat.com>, Andi Kleen <andi@...stfloor.org>,
	acme@...hat.com, a.p.zijlstra@...llo.nl, mingo@...e.hu,
	paulus@...ba.org, cjashfor@...ux.vnet.ibm.com, fweisbec@...il.com,
	linux-kernel@...r.kernel.org, tglx@...utronix.de
Subject: Re: [RFCv2 0/8] perf tool: Add new event group management

> same counters over and over again (e.g., cycle count, instruction
> count, etc).  Therefore it is important to recognize when two groups

These two are luckily fixed counters, so always available
(at least as long as you disable the nmi watchdog)

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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