Re: [PATCH v3 6/9] perf, x86: handle multiple records in PEBS buffer

From: Peter Zijlstra
Date: Mon Jul 28 2014 - 02:53:16 EST

On Mon, Jul 28, 2014 at 10:24:30AM +0800, Yan, Zheng wrote:

> I don't think this method works for interrupt threshold > 1 case. When collision
> happens, the hardware only create one PEBS record. The status in next record has
> nothing to do with the collision record.

Andi previously stated that the hardware will always generate a record
for each event:

Please lock yourselves in room and do not come out until you can give a
straight and coherent answer.

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