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rcutorture: Add cpu0 to the set of CPUs to add jitter

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jitter.sh currently does not add CPU0 to the list of CPUs for adding of
jitter. Let us add it to this list even when it is not hot-pluggable.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Joel Fernandes (Google) 2019-03-26 15:24:11 -04:00 committed by Paul E. McKenney
parent e0e2147c1a
commit dd064c3599
1 changed files with 6 additions and 2 deletions
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8
tools/testing/selftests/rcutorture/bin/jitter.sh
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@ -36,8 +36,12 @@ do
# Set affinity to randomly selected online CPU
cpus=`grep 1 /sys/devices/system/cpu/*/online |
sed -e 's,/[^/]*$,,' -e 's/^[^0-9]*//' |
grep -v '^0*$'`
sed -e 's,/[^/]*$,,' -e 's/^[^0-9]*//'`
# Do not leave out poor old cpu0 which may not be hot-pluggable
if [ ! -f "/sys/devices/system/cpu/cpu0/online" ]; then
cpus="0 $cpus"
fi
cpumask=`awk -v cpus="$cpus" -v me=$me -v n=$n 'BEGIN {
srand(n + me + systime());