From: Andi Kleen <ak@linux.intel.com>
To: Stephane Eranian <eranian@google.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] perf, x86: Don't mark DataLA addresses as store
Date: Mon, 14 Jul 2014 21:05:42 -0700 [thread overview]
Message-ID: <20140715040542.GF5803@tassilo.jf.intel.com> (raw)
In-Reply-To: <CABPqkBSVRuyOH8bTU4pjLNZMZdHoWFB4y-HJzVWTVowrO2Q+tg@mail.gmail.com>
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@google.com> wrote:
> > On Tue, Jul 15, 2014 at 12:39 AM, Andi Kleen <ak@linux.intel.com> 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:
MEM_UOPS_RETIRED.STLB_MISS_STORES
MEM_UOPS_RETIRED.SPLIT_STORES
MEM_UOPS_RETIRED.ALL_STORES
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.
-Andi
next prev parent reply other threads:[~2014-07-15 4:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-12 0:01 [PATCH 1/2] perf, x86: Revamp PEBS event selection Andi Kleen
2014-07-12 0:01 ` [PATCH 2/2] perf, x86: Don't mark DataLA addresses as store Andi Kleen
2014-07-14 18:04 ` Stephane Eranian
2014-07-14 19:24 ` Andi Kleen
2014-07-14 22:08 ` Stephane Eranian
2014-07-14 22:39 ` Andi Kleen
2014-07-14 22:49 ` Stephane Eranian
2014-07-14 22:50 ` Stephane Eranian
2014-07-15 4:05 ` Andi Kleen [this message]
2014-07-15 8:59 ` Peter Zijlstra
2014-07-15 18:19 ` Stephane Eranian
2014-07-17 20:24 ` Stephane Eranian
2014-07-19 0:49 ` Andi Kleen
2014-07-21 21:15 ` Stephane Eranian
2014-07-14 22:10 ` [PATCH 1/2] perf, x86: Revamp PEBS event selection Stephane Eranian
-- strict thread matches above, loose matches on Subject: below --
2014-07-07 22:37 [PATCH 1/2] perf, x86: Revamp PEBS event selection v2 Andi Kleen
2014-07-07 22:37 ` [PATCH 2/2] perf, x86: Don't mark DataLA addresses as store Andi Kleen
2014-03-13 21:22 [PATCH 1/2] perf, x86: Disallow setting undefined bits for PEBS events Andi Kleen
2014-03-13 21:22 ` [PATCH 2/2] perf, x86: Don't mark DataLA addresses as store Andi Kleen
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