Re: [PATCH 2/2] perf, x86: Use INTEL_FLAGS_UEVENT_CONSTRAINT for PRECDIST

[Stephane Eranian]

On Wed, Sep 10, 2014 at 9:59 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Wed, Sep 10, 2014 at 09:59:26AM +0200, Peter Zijlstra wrote:
>> On Tue, Sep 09, 2014 at 05:49:08PM -0700, Andi Kleen wrote:
>> > From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>> >
>> > The earlier commit 86a04461a made near all PEBS on
>> > Sandy/IvyBridge/Haswell to reject non zero flags.
>>
>> What's magic about nehalem and westmere?
>
> And core2 and whatever else we support PEBS for, for that matter.

nhm, wsm, core2 do not have precise distribution (PREC_DIST) umask to
inst_Retired.

But as I said before, PEBS events do not support any filters. cycles
-> uops_retired:any_inv=1:cmask=1
being an exception.
--
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/