Mailinglist Archive: opensuse-amd64 (338 mails)

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Re: [suse-amd64] cpu affinity with NUMA kernels - 'runon' like command?
  • From: Andi Kleen <ak@xxxxxxx>
  • Date: Wed, 17 Mar 2004 12:58:31 +0000 (UTC)
  • Message-id: <20040317133727.400b06b6.ak@xxxxxxx>
On Wed, 17 Mar 2004 12:36:52 +0000
Dan Kidger <daniel.kidger@xxxxxxxxxxxx> wrote:

> A quick update on this.
>
> It seem that the numactl shipped with suse9.0 doesn't work for --cpubind= -
> it simply ignores this option. However if I remove this and install the one
> shipped with SLES8-SP3 it does work.
> This is for the shipped '2.4.21-193-smp' kernel
>
> In all cases though /usr/bin/numademo reports:
> "your system does not support the numa API."
> I am looking through the source now.
>
> Also all the other options ( --membind, --localalloc, --interleave,
> --homenode) fail with:
> "numactl: this system does not support NUMA policy"
> presumably after check_numa() calls numa_available() which in turn calls
> numa_homenode()

Yes, that is what I wrote in my first mail: the 2.4 NUMA API was an experimental
kernel patch that was never included in any production kernel.

-Andi


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