Hi!
> +TCID=cpuset_regression_test
> +TST_TOTAL=1
> +. test.sh
> +
> +setup()
> +{
> + tst_require_root
> +
> + tst_kvercmp 3 18 0
> + if [ $? -eq 0 ]; then
> + tst_brkm TCONF "Test must be run with kernel 3.18.0 or newer"
> + fi
> +
> + local cpu_num=$(grep processor /proc/cpuinfo | wc -l)
It's better to use $(getconf _NPROCESSORS_ONLN)
> + if [ $cpu_num -lt 2 ]; then
> + tst_brkm TCONF "We need 2 cpus at least to have test"
> + fi
> +
> + tst_tmpdir
> +}
> +
> +setup1()
> +{
> + # We need to mount cpuset if it is not found.
> + mount_flag=0
> + mount | grep -w cpuset > tmpfile
> + if [ $? -eq 0 ]; then
> + root_cpuset_dir=$(cat tmpfile | awk '{print $3}')
> + rm -rf tmpfile
> + else
> + root_cpuset_dir="cpuset_test"
> +
> + ROD_SILENT mkdir -p ${root_cpuset_dir}
> +
> + ROD_SILENT mount -t cpuset cpuset ${root_cpuset_dir}
> +
> + mount_flag=1
> + fi
> +
> + if [ -f ${root_cpuset_dir}/cpuset.cpu_exclusive ]; then
> + cpu_exclusive=cpuset.cpu_exclusive
> + cpus=cpuset.cpus
> + elif [ -f ${root_cpuset_dir}/cpu_exclusive ]; then
> + cpu_exclusive=cpu_exclusive
> + cpus=cpus
> + else
> + tst_brkm TBROK "Both cpuset.cpu_exclusive and cpu_exclusive" \
> + "do not exist."
> + fi
> +
> + local cpu_exclusive_value=$(cat ${root_cpuset_dir}/${cpu_exclusive})
> + if [ "${cpu_exclusive_value}" != "1" ];then
> + echo 1 > ${root_cpuset_dir}/${cpu_exclusive}
> + if [ $? -ne 0 ]; then
> + tst_brkm TBROK "'echo 1 >" \
> + "${root_cpuset_dir}/${cpu_exclusive}'" \
> + "failed"
> + fi
> + fi
You should restore the cpu_exclusive value in the cpuset root at the end
of the test as well.
i.e. make this variable global and do:
if [ -n "$cpu_exclusive_value" ]; then
echo "$cpu_exclusive_value" > ${root_cpuset_dir}/${cpu_exclusive}
fi
in the cleanup.
> +}
> +
> +cleanup()
> +{
> + if [ -d "${root_cpuset_dir}/testdir" ]; then
> + rmdir ${root_cpuset_dir}/testdir
> + fi
> +
> + if [ "${mount_flag}" == "1" ]; then
> + umount ${root_cpuset_dir}
> + if [ $? -ne 0 ]; then
> + tst_resm TWARN "umount ${root_cpuset_dir} failed"
> + fi
> +
> + if [ -d "${root_cpuset_dir}" ]; then
> + rmdir ${root_cpuset_dir}
> + fi
> + fi
> +
> + tst_rmdir
> +}
> +
> +cpuset_test()
> +{
> + ROD_SILENT mkdir ${root_cpuset_dir}/testdir
> +
> + # Creat an exclusive cpuset.
> + echo 1 > ${root_cpuset_dir}/testdir/${cpu_exclusive}
> + if [ $? -ne 0 ]; then
> + tst_brkm TFAIL "'echo 1 >" \
> + "${root_cpuset_dir}/testdir/${cpu_exclusive}'" \
> + "failed"
> + fi
> +
> + local cpu_exclusive_value=$(cat \
> + ${root_cpuset_dir}/testdir/${cpu_exclusive})
> + if [ "${cpu_exclusive_value}" != "1" ]; then
> + tst_brkm TFAIL "${cpu_exclusive} is '${cpu_exclusive_value}'," \
> + "expected '1'"
> + fi
> +
> + # ${cpus} is empty at the begin, that maybe make the system *crash*.
> + echo 0-1 > ${root_cpuset_dir}/testdir/${cpus}
> + if [ $? -ne 0 ]; then
> + tst_brkm TFAIL "'echo 0-1 >" \
> + "${root_cpuset_dir}/testdir/${cpus}' failed"
> + fi
> +
> + local cpus_value=$(cat ${root_cpuset_dir}/testdir/${cpus})
> + if [ "${cpus_value}" != "0-1" ]; then
> + tst_brkm TFAIL "${cpus} is '${cpus_value}', expected '0-1'"
> + fi
> +
> + tst_resm TPASS "Bug is not reproduced"
> +}
> +
> +setup
> +TST_CLEANUP=cleanup
> +
> +setup1
Hmm, you can set TST_CLEANUP in the middle of the setup() function.
There is no need to artificially split the setup.
> +cpuset_test
> +
> +tst_exit
> --
> 1.8.3.1
>
>
>
>
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