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SubjectRe: [PATCH] perf_events: fix validate_event bug
On Wed, 2009-11-25 at 06:47 +0100, stephane eranian wrote:
> It seems to me you have two ways of solving this:
> 1- push the algorithm to assign events to counters up in the generic code
> 2- have the generic code invoke all possible constraint sources on each group

2, is what it currently does.

Since we can only add a single event to a group at a time, and we know
the previous group was schedulable, we only need to validate the
constraints on the pmu of the new event.

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