[PATCH 2/2] selftest: parse the max cpu corretly from cpu list string

From: Lai Jiangshan
Date: Thu Dec 17 2020 - 09:35:03 EST


From: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>

"," is allowed in cpu list strings, such as "0-3,5". We need
to handle these cases.

Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
index 5cdef96326a7..ac37bd54ea1c 100755
--- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
+++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
@@ -30,7 +30,7 @@ prerequisite()

echo "CPU online/offline summary:"
online_cpus=`cat $SYSFS/devices/system/cpu/online`
- online_max=${online_cpus##*-}
+ online_max=${online_cpus##*[-|,]}

if [[ "$online_cpus" = "$online_max" ]]; then
echo "$msg: since there is only one cpu: $online_cpus"
@@ -38,7 +38,7 @@ prerequisite()
fi

present_cpus=`cat $SYSFS/devices/system/cpu/present`
- present_max=${present_cpus##*-}
+ present_max=${present_cpus##*[-|,]}
echo "present_cpus = $present_cpus present_max = $present_max"

echo -e "\t Cpus in online state: $online_cpus"
@@ -47,7 +47,7 @@ prerequisite()
if [[ "a$offline_cpus" = "a" ]]; then
offline_cpus=0
else
- offline_max=${offline_cpus##*-}
+ offline_max=${offline_cpus##*[-|,]}
fi
echo -e "\t Cpus in offline state: $offline_cpus"
}
--
2.19.1.6.gb485710b