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| author |   Joel Fernandes (Google) <joel@joelfernandes.org> | 2019-03-26 15:24:11 -0400 |
|---|---|---|
| committer |   Paul E. McKenney <paulmck@linux.ibm.com> | 2019-05-28 09:06:09 -0700 |
| commit | dd064c35991435efc4da2a6c551601f6e80f2611 (patch) | |
| tree | 91285bbf2febd83791256c07be91924ef7cc40d8 | |
| parent | rcutorture: Select from only online CPUs (diff) | |
| download | linux-dev-dd064c35991435efc4da2a6c551601f6e80f2611.tar.xz linux-dev-dd064c35991435efc4da2a6c551601f6e80f2611.zip | |
rcutorture: Add cpu0 to the set of CPUs to add jitter
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>
| -rwxr-xr-x | tools/testing/selftests/rcutorture/bin/jitter.sh | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/jitter.sh b/tools/testing/selftests/rcutorture/bin/jitter.sh index 81c6e6ab5d83..dc49a3ba6111 100755 --- a/tools/testing/selftests/rcutorture/bin/jitter.sh +++ b/tools/testing/selftests/rcutorture/bin/jitter.sh @@ -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()); |