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From: Andi Kleen <andi@firstfloor.org>
To: Stephane Eranian <eranian@google.com>
Cc: Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Andrew Morton <akpm@linux-foundation.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 02/12] perf, x86: Basic Haswell PMU support v2
Date: Mon, 28 Jan 2013 17:16:16 +0100	[thread overview]
Message-ID: <20130128161616.GS30577@one.firstfloor.org> (raw)
In-Reply-To: <CABPqkBTwqYOiKDreq394Nq=ds8b0qg2igTdBoJ8JpB0Dd2RbRg@mail.gmail.com>

> > +static struct event_constraint intel_hsw_event_constraints[] =
> > +{
> > +       FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
> > +       FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
> > +       FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
> > +       INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */
> 
> You're covering the entire event here, so comment should be: L1D_PEND_MISS.*

Ok.

> 
> > +       INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
> > +       INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
> > +       EVENT_CONSTRAINT_END
> 
> You are missing constraint on the following public events:
> - CYCLE_ACTIVITY (0xa3)

AFAIK that's not a PEBS event.

> 
> > +};
> > +
> >  static u64 intel_pmu_event_map(int hw_event)
> >  {
> >         return intel_perfmon_event_map[hw_event];
> > @@ -2107,6 +2118,24 @@ __init int intel_pmu_init(void)
> >                 break;
> >
> >
> > +       case 60: /* Haswell Client */
> > +       case 70:
> > +       case 71:
> > +               memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
> > +                      sizeof(hw_cache_event_ids));
> > +
> > +               intel_pmu_lbr_init_nhm();
> > +
> I suspect this one should be intel_pmu_lbr_init_snb(), otherwise
> you inherit the broken filter workarounds.

Good point.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.

  reply	other threads:[~2013-01-28 16:16 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-25 22:00 Basic perf PMU support for Haswell v1 Andi Kleen
2013-01-25 22:00 ` [PATCH 01/12] perf, x86: Add PEBSv2 record support Andi Kleen
2013-01-28 13:15   ` Stephane Eranian
2013-01-28 16:10     ` Andi Kleen
2013-01-31 17:15   ` Stephane Eranian
2013-01-25 22:00 ` [PATCH 02/12] perf, x86: Basic Haswell PMU support v2 Andi Kleen
2013-01-28 15:34   ` Stephane Eranian
2013-01-28 16:16     ` Andi Kleen [this message]
2013-01-25 22:00 ` [PATCH 03/12] perf, x86: Basic Haswell PEBS support v3 Andi Kleen
2013-01-28 15:56   ` Stephane Eranian
2013-01-25 22:00 ` [PATCH 04/12] perf, x86: Support the TSX intx/intx_cp qualifiers v2 Andi Kleen
2013-01-26 11:54   ` Ingo Molnar
2013-01-26 21:00     ` Andi Kleen
2013-01-27 13:14       ` Ingo Molnar
     [not found]         ` <20130128050234.GQ30577@one.firstfloor.org>
2013-01-28 10:47           ` Ingo Molnar
2013-01-28 16:52   ` Stephane Eranian
2013-01-28 17:37     ` Andi Kleen
2013-01-25 22:00 ` [PATCH 05/12] perf, x86: Support Haswell v4 LBR format Andi Kleen
2013-01-28 21:47   ` Stephane Eranian
2013-01-28 22:08     ` Andi Kleen
2013-01-28 22:20       ` Stephane Eranian
2013-01-25 22:00 ` [PATCH 06/12] perf, x86: Support full width counting Andi Kleen
2013-01-25 22:00 ` [PATCH 07/12] perf, x86: Avoid checkpointed counters causing excessive TSX aborts v3 Andi Kleen
2013-01-28 22:32   ` Stephane Eranian
2013-01-28 23:16     ` Andi Kleen
2013-01-29  0:30       ` Stephane Eranian
2013-01-29  1:00         ` Andi Kleen
2013-01-30  8:51           ` Stephane Eranian
2013-01-30 20:58             ` Andi Kleen
2013-01-25 22:00 ` [PATCH 08/12] perf, x86: Move NMI clearing to end of PMI handler after the counter registers are reset Andi Kleen
2013-01-25 22:00 ` [PATCH 09/12] perf, x86: Disable LBR recording for unknown LBR_FMT Andi Kleen
2013-01-25 22:00 ` [PATCH 10/12] perf, x86: Support LBR filtering by INTX/NOTX/ABORT v2 Andi Kleen
2013-01-25 22:00 ` [PATCH 11/12] perf, tools: Support sorting by intx, abort branch flags v2 Andi Kleen
2013-01-25 22:00 ` [PATCH 12/12] perf, tools: Add abort_tx,no_tx,in_tx branch filter options to perf record -j v3 Andi Kleen
2013-01-31 17:19 ` Basic perf PMU support for Haswell v1 Stephane Eranian
2013-01-31 17:47   ` Andi Kleen

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