linux-kernel - Re: [PATCH v2 08/16] perf/x86: add memory profiling via PEBS Load Latency

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Message-ID: <CABPqkBQmZz13wAK9nUrY_O_zau6-F_SwDox1uUNK05RKjmWPnw@mail.gmail.com>
Date:	Tue, 6 Nov 2012 20:37:50 +0100
From:	Stephane Eranian <eranian@...gle.com>
To:	Andi Kleen <ak@...ux.intel.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung.kim@....com>
Subject: Re: [PATCH v2 08/16] perf/x86: add memory profiling via PEBS Load Latency

On Tue, Nov 6, 2012 at 7:50 PM, Andi Kleen <ak@...ux.intel.com> wrote:
> On Tue, Nov 06, 2012 at 03:29:01PM +0100, Stephane Eranian wrote:
>> On Tue, Nov 6, 2012 at 2:31 PM, Andi Kleen <ak@...ux.intel.com> wrote:
>> >> +EVENT_ATTR(cpu-cycles,                       CPU_CYCLES              );
>> >> +EVENT_ATTR(instructions,             INSTRUCTIONS            );
>> >> +EVENT_ATTR(cache-references,         CACHE_REFERENCES        );
>> >> +EVENT_ATTR(cache-misses,             CACHE_MISSES            );
>> >> +EVENT_ATTR(branch-instructions,              BRANCH_INSTRUCTIONS     );
>> >> +EVENT_ATTR(branch-misses,            BRANCH_MISSES           );
>> >> +EVENT_ATTR(bus-cycles,                       BUS_CYCLES              );
>> >> +EVENT_ATTR(stalled-cycles-frontend,  STALLED_CYCLES_FRONTEND );
>> >> +EVENT_ATTR(stalled-cycles-backend,   STALLED_CYCLES_BACKEND  );
>> >> +EVENT_ATTR(ref-cycles,                       REF_CPU_CYCLES          );
>> >
>> > The merge_events() approach from the Haswell patches should be far cleaner
>> >
>> And which patch in your HSW series implements this?
>
> [PATCH 27/32] perf, x86: Support CPU specific sysfs events
>
Will try using that one.
Thanks.
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