NUMA Support on Server 2008

NTDEV
1

Hi all,

Microsoft claims Server 2008 supports NUMA. However, with latest WDK, I try to find out the CPU affinity with KeQueryNodeActiveAffinity, the API only supports for Windows 7. And all the related APIs are for Windows 7 only. Are there any other APIs for same purpose supporting Server 2008 ?

Thanks a lot
Alex

2

If you can design your driver to accept the processor configuration as static install-time data, you can use GetLogicalProcessorInformation in usermode and persist the relevant results in a registry value. That API is supported in XP SP3 and higher. I couldn’t find any DDI to retrieve this stuff that works before Win7.

-Neeraj

-----Original Message-----
From: xxxxx@lists.osr.com [mailto:xxxxx@lists.osr.com] On Behalf Of xxxxx@yahoo.com
Sent: Monday, February 22, 2010 11:28 AM
To: Windows System Software Devs Interest List
Subject: [ntdev] NUMA Support on Server 2008

Hi all,

Microsoft claims Server 2008 supports NUMA. However, with latest WDK, I try to find out the CPU affinity with KeQueryNodeActiveAffinity, the API only supports for Windows 7. And all the related APIs are for Windows 7 only. Are there any other APIs for same purpose supporting Server 2008 ?

Thanks a lot
Alex

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