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

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Date:	Tue, 27 Oct 2009 13:48:48 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Mike Travis <travis@....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

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.
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