Re: [PATCH v2 0/4] perf/x86: simplify PEBS event constraint management

[Peter Zijlstra]

On Mon, Aug 11, 2014 at 09:27:09PM +0200, Stephane Eranian wrote:
> This patchkit revamps the PEBS tables on most Intel CPUs, both simplifying
> and fixing a couple of problems on Haswell processors:
>  - All PEBS event supported
>  - data address and data source is now reported correctly for all events
> 
> We simplify the tables by using the fact that non-PEBS event when used
> in PEBS mode do not generate any PEBS records , thus they are safe to use.
> This helps simplify the PEBS event constraints because they do not need
> to list all suported PEBS events anymore. They only need to list
> the special PEBS events, such as precise store and load latency.
> This avoid some issues where the kernel is missing some PEBS events.
> 
> In V2, we cleanup some more the precise_datala() for store events.

Ah, I just queued your v1, time to swap patches around I suppose :-)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/