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Date: Wed, 22 Apr 2015 08:44:57 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Bruce Richardson <bruce.richardson@intel.com>
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Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] eal: fix linuxapp numa node detection
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On Wed, 22 Apr 2015 14:31:55 +0100
Bruce Richardson <bruce.richardson@intel.com> wrote:

> Using the "physical_package_id" as a fallback for determining the
> numa node of a core tends to be unreliable. Fix this by using a
> detection routine which reads the numa information from
> /sys/devices/system/node and just returns a numa node of 0 on
> failure.
> 
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

Acked-by: Stephen Hemminger <stephen@networkplumber.org>

Documentation/cputopology.txt

> 1) /sys/devices/system/cpu/cpuX/topology/physical_package_id:
> 
> 	physical package id of cpuX. Typically corresponds to a physical
> 	socket number, but the actual value is architecture and platform
> 	dependent.