| #!/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 |
