linux-kernel - Re: [Patch v1 04/10] perf/x86: add memory profiling via PEBS Load Latency

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Message-ID: <CABPqkBQEcPdDKgR6nSvcJQ4WcSJNzi8LS+QO9yTsLfdjigijuA@mail.gmail.com>
Date:	Mon, 29 Oct 2012 16:24:41 +0100
From:	Stephane Eranian <eranian@...gle.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jiri Olsa <jolsa@...hat.com>, Lin Ming <ming.m.lin@...el.com>
Subject: Re: [Patch v1 04/10] perf/x86: add memory profiling via PEBS Load Latency

On Mon, Oct 29, 2012 at 4:23 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Mon, 2012-10-29 at 16:15 +0100, Stephane Eranian wrote:
>> +EVENT_ATTR_STR(mem-loads, mem_ld_nhm, "event=0x100b,umask=0x1,ldlat=3");
>> +EVENT_ATTR_STR(mem-loads, mem_ld_snb, "event=0xcd,umask=0x1,ldlat=3");
>
> I haven't fully grokked the macro magic yet, but event=0x100b seems
> wrong, event only takes 8 bit on Intel.

Yeah, my bad. I messed up on this one. should be:
event=0x0b,umask=0x10,ldlat=3
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