linux-kernel - Re: [PATCH V6 08/13] perf: Add Sandy Bridge-EP uncore support

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Message-ID: <4FDE88AF.3010902@intel.com>
Date:	Mon, 18 Jun 2012 09:47:27 +0800
From:	"Yan, Zheng" <zheng.z.yan@...el.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	mingo@...e.hu, jolsa@...hat.com, eranian@...gle.com,
	andi@...stfloor.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V6 08/13] perf: Add Sandy Bridge-EP uncore support

On 06/16/2012 01:10 AM, Peter Zijlstra wrote:
> On Fri, 2012-06-15 at 14:31 +0800, Yan, Zheng wrote:
>> +static struct event_constraint snbep_uncore_r2pcie_constraints[] = {
>> +       UNCORE_EVENT_CONSTRAINT(0x10, 0x3),
>> +       UNCORE_EVENT_CONSTRAINT(0x11, 0x3),
>> +       UNCORE_EVENT_CONSTRAINT(0x12, 0x1),
>> +       UNCORE_EVENT_CONSTRAINT(0x23, 0x3),
>> +       UNCORE_EVENT_CONSTRAINT(0x24, 0x3),
>> +       UNCORE_EVENT_CONSTRAINT(0x25, 0x3),
>> +       UNCORE_EVENT_CONSTRAINT(0x26, 0x3),
>> +       UNCORE_EVENT_CONSTRAINT(0x32, 0x3),
>> +       UNCORE_EVENT_CONSTRAINT(0x33, 0x3),
>> +       UNCORE_EVENT_CONSTRAINT(0x34, 0x3),
>> +       EVENT_CONSTRAINT_END
>> +}; 
> 
> My E5-2600 Uncore Perf. Mon. Guide, March 2012 (Ref.# 327043-001)
> doesn't seem to list events 0x26 and up. 
> 
> I'm staring at 2.8.5, table 2-108.
> 
> Is my document out-dated or what's up?
> 
> the r3qpi table seems to match, but the cbox one is funny again, event
> 0x01 doesn't appear in the doc, nor does 0x3b, 0x38, 0x23.
>
Sorry, my document is out-dated. These events were listed in the old
document. should we remove them ?

> FWIW, cbox event constraint 0x1f needs to be an
> EVENT_CONSTRAINT_OVERLAP, see the comment near that macro definition.
> 
thanks for reminding

Regards
Yan, Zheng
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