linux-kernel - Re: [patch] x86: reduce srat verbosity in the kernel log

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Message-ID: <4AE77BF6.2040201@sgi.com>
Date:	Tue, 27 Oct 2009 16:02:14 -0700
From:	Mike Travis <travis@....com>
To:	David Rientjes <rientjes@...gle.com>
CC:	Ingo Molnar <mingo@...e.hu>, Andi Kleen <andi@...stfloor.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jack Steiner <steiner@....com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Yinghai Lu <yinghai@...nel.org>, Mel Gorman <mel@....ul.ie>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [patch] x86: reduce srat verbosity in the kernel log



David Rientjes wrote:
> On Tue, 27 Oct 2009, Mike Travis wrote:
> 
>> I applied your previous patch with the change to use static and
>> here's the console output from a live system:
>>
>>
>> [    0.000000] SRAT: PXM 0 -> APIC {0-7,16-23} -> Node 0
>> [    0.000000] SRAT: PXM 1 -> APIC {32-39,48-55} -> Node 1
>> [    0.000000] SRAT: PXM 2 -> APIC {64-71,80-87} -> Node 2
>> [    0.000000] SRAT: PXM 3 -> APIC {96-103,112-119} -> Node 3
>> [    0.000000] SRAT: PXM 4 -> APIC {128-135,144-151} -> Node 4
>> [    0.000000] SRAT: PXM 5 -> APIC {160-167,176-183} -> Node 5
>> [    0.000000] SRAT: PXM 6 -> APIC {192-199,208-215} -> Node 6
>> [    0.000000] SRAT: PXM 7 -> APIC {224-231,240-247} -> Node 7
>> [    0.000000] SRAT: PXM 8 -> APIC {256-263,272-279} -> Node 8
>> [    0.000000] SRAT: PXM 9 -> APIC {288-295,304-311} -> Node 9
>> [    0.000000] SRAT: PXM 10 -> APIC {320-327,336-343} -> Node 10
>> [    0.000000] SRAT: PXM 11 -> APIC {352-359,368-375} -> Node 11
>> [    0.000000] SRAT: PXM 12 -> APIC {384-391,400-407} -> Node 12
>> [    0.000000] SRAT: PXM 13 -> APIC {416-423,432-439} -> Node 13
>> [    0.000000] SRAT: PXM 14 -> APIC {448-455,464-471} -> Node 14
>> [    0.000000] SRAT: PXM 15 -> APIC {480-487,496-503} -> Node 15
>> [    0.000000] SRAT: PXM 16 -> APIC {512-519,528-535} -> Node 16
>> [    0.000000] SRAT: PXM 17 -> APIC {544-551,560-567} -> Node 17
>> [    0.000000] SRAT: PXM 18 -> APIC {576-583,592-599} -> Node 18
>> [    0.000000] SRAT: PXM 19 -> APIC {608-615,624-631} -> Node 19
>> [    0.000000] SRAT: PXM 20 -> APIC {640-647,656-663} -> Node 20
>> [    0.000000] SRAT: PXM 21 -> APIC {672-679,688-695} -> Node 21
>> [    0.000000] SRAT: PXM 22 -> APIC {704-711,720-727} -> Node 22
>> [    0.000000] SRAT: PXM 23 -> APIC {736-743,752-759} -> Node 23   
>>
> 
> Quite the system you have there :)  What was once 760 lines has been 
> reduced to 24 without removing any information.
> 
> This seems to be the most we can reduce this particular output since we 
> don't support mapping multiple pxms to a single node.

Yes, thanks very much for the optimization.

(And you can add my Acked-by or whatever you need.)

Tomorrow I will have more time on the system and will try out all the
new changes together, mostly with summarizing the Processor stats.
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