Re: [PATCH 2/2] perf, x86: Don't mark DataLA addresses as store

From: Stephane Eranian
Date: Mon Jul 14 2014 - 18:50:33 EST

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.

>> Otherwise have to go back to an even larger PEBS constraint
>> table for HSW than before.
>> -Andi
>> --
>> ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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