selftests/cgroup/test_cpuset_prs.sh

4 # Test for cpuset v2 partition root state (PRS)
25 SUBPARTS_CPUS=$CGROUP2/.__DEBUG__.cpuset.cpus.subpartitions
26 CPULIST=$(cat $CGROUP2/cpuset.cpus.effective)
63 echo +cpuset > cgroup.subtree_control
66 # If cpuset has been set up and used in child cgroups, we may not be able to
71 echo 0-6 > test/cpuset.cpus
72 echo root > test/cpuset.cpus.partition
73 cat test/cpuset.cpus.partition | grep -q invalid
75 echo member > test/cpuset.cpus.partition
76 echo "" > test/cpuset.cpus
77 [[ $RESULT -eq 0 ]] && skip_test "Child cgroups are using cpuset!"
114 	echo $EXPECTED_VAL > cpuset.cpus.partition
116 	ACTUAL_VAL=$(cat cpuset.cpus.partition)
118 		echo "cpuset.cpus.partition: expect $EXPECTED_VAL, found $ACTUAL_VAL"
127 	ACTUAL_VAL=$(cat cpuset.cpus.effective)
129 		echo "cpuset.cpus.effective: expect '$EXPECTED_VAL', found '$ACTUAL_VAL'"
158 #  C<l> = add cpu-list to cpuset.cpus
159 #  X<l> = add cpu-list to cpuset.cpus.exclusive
217 	# Remote partition and cpuset.cpus.exclusive tests
308 	# Incorrect change to cpuset.cpus invalidates partition root
311 	# cpuset.cpus is allowed, but those extra CPUs are ignored.
325 	# cpuset.cpus can contains cpus not in parent's cpuset.cpus as long
332 	# To become a valid partition root, cpuset.cpus must overlap parent's
333 	# cpuset.cpus.
344 	# A non-exclusive cpuset.cpus change will invalidate partition and its siblings
356 	# Changes to cpuset.cpus.exclusive that violate exclusivity rule is rejected
407 		PFILE=$CGRP/cpuset.cpus.partition
408 		CFILE=$CGRP/cpuset.cpus
409 		XFILE=$CGRP/cpuset.cpus.exclusive
505 		CPUS=$DIR/cpuset.cpus
506 		ECPUS=$DIR/cpuset.cpus.effective
507 		XCPUS=$DIR/cpuset.cpus.exclusive
508 		XECPUS=$DIR/cpuset.cpus.exclusive.effective
509 		PRS=$DIR/cpuset.cpus.partition
510 		PCPUS=$DIR/.__DEBUG__.cpuset.cpus.subpartitions
511 		ISCPUS=$DIR/cpuset.cpus.isolated
537 			FILE=cpuset.cpus.exclusive.effective
539 			FILE=cpuset.cpus.effective
566 			P*) FILE=$CGRP/cpuset.cpus.partition
596 # /sys/kernel/debug/sched/domains and cpuset.cpus.isolated control file,
601 # not be included in the cpuset.cpus.isolated control file which contains
606 # <isolcpus2> - cpuset.cpus.isolated value = <isolcpus1> if not defined
614 	ISCPUS=${CGROUP2}/cpuset.cpus.isolated
710 # Run cpuset state transition test
720 	CONTROLLER=cpuset
781 		NEWLIST=$(cat cpuset.cpus.effective)
788 			NEWLIST=$(cat cpuset.cpus.effective)
807 	echo 2-3 > cpuset.cpus
808 	TYPE=$(cat cpuset.cpus.partition)
809 	[[ $TYPE = member ]] || echo member > cpuset.cpus.partition
833 	echo +cpuset > cgroup.subtree_control
838 	echo 2-3 > cpuset.cpus
852 	echo 2 > cpuset.cpus
856 	echo 2-3 > cpuset.cpus
896 	echo 1 > cpuset.cpus
898 	echo root > cpuset.cpus.partition
901 	wait_inotify $PWD/cpuset.cpus.partition $PRS &
922 	echo member > cpuset.cpus.partition