Re: disabling group leader perf_event

From: Peter Zijlstra
Date: Mon Sep 06 2010 - 07:25:19 EST


On Mon, 2010-09-06 at 12:12 +0300, Avi Kivity wrote:
> If I read the code correctly, disabling a group leader perf_event will
> disable the entire group.
>
> Is this correct?

Yeah, pretty much.

> If so, how can I disable just the event itself? Can I allocate a dummy
> invent for the group leader so I can enable and disable each perf_event
> in the group individually?

Which makes me wonder why you use groups in the first place.
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