linux-kernel - Re: [PATCH] perf_events: improve x86 event scheduling

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Date:	Mon, 18 Jan 2010 12:13:09 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, paulus@...ba.org,
	davem@...emloft.net, perfmon2-devel@...ts.sf.net
Subject: Re: [PATCH] perf_events: improve x86 event scheduling

On Sun, 2010-01-17 at 15:12 +0100, Frederic Weisbecker wrote:

> You need to also call pmu->disable() if it is a software event,
> because a breakpoint needs to be unregistered in hardware level
> too.

breakpoint isn't a software pmu. But yeah, enable and disable need to
match.


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