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#!/bin/bash
# check numactl --hardware output
# this checks most of the topology discovery in libnuma
testdir=`dirname "$0"`
: ${srcdir:=${testdir}/..}
: ${builddir:=${srcdir}}
export PATH=${builddir}:$PATH
numcpus=$(grep -c processor /proc/cpuinfo)
numnodes=$(ls -1d /sys/devices/system/node/node[0-9]* | wc -l)
nccpus=$(numactl --hardware | grep cpus | sed 's/node.*cpus://' | wc -w )
ncnodes=$(numactl --hardware | grep -c 'node.*size' )
if [ $numnodes != $ncnodes ] ; then
echo "numactl --hardware doesnt report all nodes"
exit 1
fi
if [ $numcpus != $nccpus -a \( $[$nccpus / $numnodes] != $numcpus \) ] ; then
echo "numactl --hardware cpus look bogus"
exit 1
fi
numactl --hardware | grep cpus | while read n ; do
node=${n/ cpus*/}
node=${node/ /}
cpus=${n/*: /}
k=0
for i in $cpus ; do
if [ ! -h "/sys/devices/system/node/$node/cpu$i" ] ; then
echo "$node doesn't have cpu $i"
exit 1
fi
k=$[$k+1]
done
if [ $k != $(echo $cpus | wc -w) ] ; then
echo "$node missing cpu"
exit 1
fi
done
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