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Subject: Re: [tip:perf/core] perf/ftrace: Optimize perf/tracepoint
 interaction for single events
From: Peter Zijlstra <peterz@infradead.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
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Date: Wed, 19 May 2010 10:31:25 +0200
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On Wed, 2010-05-19 at 10:23 +0200, Frederic Weisbecker wrote:

> Yeah, then if you launch perf sched for example, you'll have NR_CPU perf events
> attached to each lock trace events, since we create one event per cpu.

Right, but simple per task (non-inherited) would have only 1.

But yeah, plenty of room to improve here.