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selftests/cpu-hotplug: Skip test when there is only one online cpu

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For only one online cpu case, 'make run_tests' try to offline the cpu0 that will
always fail since the host can't offline this unique online cpu.

this patch will skip the test to avoid this failure.

Signed-off-by: Li Zhijian <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
This commit is contained in:
Li Zhijian 2017-08-14 09:28:16 +08:00 • committed by Shuah Khan
commit 86db9a11f3
1 changed files with 6 additions and 0 deletions
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6
tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
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@ -28,6 +28,12 @@ prerequisite()
echo "CPU online/offline summary:"
online_cpus=`cat $SYSFS/devices/system/cpu/online`
online_max=${online_cpus##*-}
if [[ "$online_cpus" = "$online_max" ]]; then
echo "$msg: since there is only one cpu: $online_cpus"
exit 0
fi
echo -e "\t Cpus in online state: $online_cpus"
offline_cpus=`cat $SYSFS/devices/system/cpu/offline`