Messages in this thread | | | Date | Mon, 28 Jul 2014 08:52:55 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v3 6/9] perf, x86: handle multiple records in PEBS buffer |
| |
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:
http://marc.info/?l=linux-kernel&m=140129731708247
Please lock yourselves in room and do not come out until you can give a straight and coherent answer. [unhandled content-type:application/pgp-signature] | |