Re: [PATCH 2/2] perf, x86: Don't mark DataLA addresses as store
From: Andi Kleen
Date: Tue Jul 15 2014 - 00:05:50 EST
On Tue, Jul 15, 2014 at 12:50:27AM +0200, Stephane Eranian wrote:
> On Tue, Jul 15, 2014 at 12:49 AM, Stephane Eranian <eranian@xxxxxxxxxx> wrote:
> > On Tue, Jul 15, 2014 at 12:39 AM, Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
> >>> I have a problem with this patch.
> >>> It makes: perf mem -t store rec record OP_NA for the store.
> >>> It was recording OP_STORE before.
> >>> I think we need to keep LD/ST info. This is useful for analysis
> >>> especially if we collect loads/stores simultaneously.
> >>> Was working before for the mem-loads, mem-stores events.
> >> Ok. Would it be enough if it only worked for "mem-stores" and not
> >> all PEBS events?
> > Ok, do that at a minimum.
> But if I recall the PEBS stores events were not that many to begin with.
Yes, there are only three store events:
These can be added.
But most others are loads, so if you wanted loads too (besides mem-loads)
it would be nearly a full list.
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