linux-kernel - Re: [PATCH 1/1] perf tools: Add missing user space support for config1/config2

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Date:	Sat, 23 Apr 2011 00:19:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>,
	Stephane Eranian <eranian@...il.com>,
	Lin Ming <ming.m.lin@...el.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/1] perf tools: Add missing user space support for
 config1/config2

On Fri, 2011-04-22 at 23:54 +0200, Peter Zijlstra wrote:
> On Fri, 2011-04-22 at 23:37 +0200, Peter Zijlstra wrote:
> > The below needs filling out for !x86 (which I filled out with
> > unsupported events) and x86 needs the offcore bits fixed to auto select
> > between the two offcore events.
> 
> Urgh, so SNB has different MSR_OFFCORE_RESPONSE bits and needs another table.

/*
 * Sandy Bridge MSR_OFFCORE_RESPONSE bits;
 * See IA32 SDM Vol 3B 30.8.5
 */

#define SNB_DMND_DATA_RD	(1 << 0)
#define SNB_DMND_RFO		(1 << 1)
#define SNB_DMND_IFETCH		(1 << 2)
#define SNB_DMND_WB		(1 << 3)
#define SNB_PF_DATA_RD		(1 << 4)
#define SNB_PF_DATA_RFO		(1 << 5)
#define SNB_PF_IFETCH		(1 << 6)
#define SNB_PF_LLC_DATA_RD	(1 << 7)
#define SNB_PF_LLC_RFO		(1 << 8)
#define SNB_PF_LLC_IFETCH	(1 << 9)
#define SNB_BUS_LOCKS		(1 << 10)
#define SNB_STRM_ST		(1 << 11)
        			/* hole */
#define SNB_OFFCORE_OTHER	(1 << 15)
#define SNB_COMMON		(1 << 16)
#define SNB_NO_SUPP		(1 << 17)
#define SNB_LLC_HITM		(1 << 18)
#define SNB_LLC_HITE		(1 << 19)
#define SNB_LLC_HITS		(1 << 20)
#define SNB_LLC_HITF		(1 << 21)
				/* hole */
#define SNB_SNP_NONE		(1 << 31)
#define SNB_SNP_NOT_NEEDED	(1 << 32)
#define SNB_SNP_MISS		(1 << 33)
#define SNB_SNP_NO_FWD		(1 << 34)
#define SNB_SNP_FWD		(1 << 35)
#define SNB_HITM		(1 << 36)
#define SNB_NON_DRAM		(1 << 37)

#define SNB_DMND_READ		(SNB_DMND_DATA_RD)
#define SNB_DMND_WRITE		(SNB_DMND_RFO|SNB_DMND_WB|SNB_STRM_ST)
#define SNB_DMND_PREFETCH	(SNB_PF_DATA_RD|SNB_PF_DATA_RFO)

Is what I came up with, but I'm stumped on how to construct:

#define SNB_L3_HIT
#define SNB_L3_MISS

#define SNB_ALL_DRAM
#define SNB_REMOTE_DRAM

Anybody got clue?


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