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torture: Add --allcpus argument to the kvm.sh script

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Leaving off the kvm.sh script's --cpus argument results in the script
testing the scenarios sequentially, which can be quite slow.  However,
having to specify the actual number of CPUs can be error-prone.
This commit therefore adds a --allcpus argument that causes kvm.sh to
use all available CPUs.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-05-04 16:41:53 -07:00
parent d3cb26312e
commit a3ba4972f2
1 changed files with 4 additions and 0 deletions
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4
tools/testing/selftests/rcutorture/bin/kvm.sh
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@ -73,6 +73,10 @@ usage () {
while test $# -gt 0
do
case "$1" in
--allcpus)
cpus=$TORTURE_ALLOTED_CPUS
max_cpus=$TORTURE_ALLOTED_CPUS
;;
--bootargs|--bootarg)
checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
TORTURE_BOOTARGS="$2"