#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Test for cpuset v2 partition root state (PRS)
#
# The sched verbose flag is set, if available, so that the console log
# can be examined for the correct setting of scheduling domain.
#
skip_test() {
echo "$1"
echo "Test SKIPPED"
exit 4 # ksft_skip
}
[[ $(id -u) -eq 0 ]] || skip_test "Test must be run as root!"
# Get wait_inotify location
WAIT_INOTIFY=$(cd $(dirname $0); pwd)/wait_inotify
# Find cgroup v2 mount point
CGROUP2=$(mount -t cgroup2 | head -1 | awk -e '{print $3}')
[[ -n "$CGROUP2" ]] || skip_test "Cgroup v2 mount point not found!"
CPUS=$(lscpu | grep "^CPU(s):" | sed -e "s/.*:[[:space:]]*//")
[[ $CPUS -lt 8 ]] && skip_test "Test needs at least 8 cpus available!"
# Set verbose flag and delay factor
PROG=$1
VERBOSE=
DELAY_FACTOR=1
SCHED_DEBUG=
while [[ "$1" = -* ]]
do
case "$1" in
-v) VERBOSE=1
# Enable sched/verbose can slow thing down
[[ $DELAY_FACTOR -eq 1 ]] &&
DELAY_FACTOR=2
break
;;
-d) DELAY_FACTOR=$2
shift
break
;;
*) echo "Usage: $PROG [-v] [-d <delay-factor>"
exit
;;
esac
shift
done
# Set sched verbose flag if available when "-v" option is specified
if [[ -n "$VERBOSE" && -d /sys/kernel/debug/sched ]]
then
# Used to restore the original setting during cleanup
SCHED_DEBUG=$(cat /sys/kernel/debug/sched/verbose)
echo Y > /sys/kernel/debug/sched/verbose
fi
cd $CGROUP2
echo +cpuset > cgroup.subtree_control
[[ -d test ]] || mkdir test
cd test
cleanup()
{
online_cpus
rmdir A1/A2/A3 A1/A2 A1 B1 > /dev/null 2>&1
cd ..
rmdir test > /dev/null 2>&1
[[ -n "$SCHED_DEBUG" ]] &&
echo "$SCHED_DEBUG" > /sys/kernel/debug/sched/verbose
}
# Pause in ms
pause()
{
DELAY=$1
LOOP=0
while [[ $LOOP -lt $DELAY_FACTOR ]]
do
sleep $DELAY
((LOOP++))
done
return 0
}
console_msg()
{
MSG=$1
echo "$MSG"
echo "" > /dev/console
echo "$MSG" > /dev/console
pause 0.01
}
test_partition()
{
EXPECTED_VAL=$1
echo $EXPECTED_VAL > cpuset.cpus.partition
[[ $? -eq 0 ]] || exit 1
ACTUAL_VAL=$(cat cpuset.cpus.partition)
[[ $ACTUAL_VAL != $EXPECTED_VAL ]] && {
echo "cpuset.cpus.partition: expect $EXPECTED_VAL, found $EXPECTED_VAL"
echo "Test FAILED"
exit 1
}
}
test_effective_cpus()
{
EXPECTED_VAL=$1
ACTUAL_VAL=$(cat cpuset.cpus.effective)
[[ "$ACTUAL_VAL" != "$EXPECTED_VAL" ]] && {
echo "cpuset.cpus.effective: expect '$EXPECTED_VAL', found '$EXPECTED_VAL'"
echo "Test FAILED"
exit 1
}
}
# Adding current process to cgroup.procs as a test
test_add_proc()
{
OUTSTR="$1"
ERRMSG=$((echo $$ > cgroup.procs) |& cat)
echo $ERRMSG | grep -q "$OUTSTR"
[[ $? -ne 0 ]] && {
echo "cgroup.procs: expect '$OUTSTR', got '$ERRMSG'"
echo "Test FAILED"
exit 1
}
echo $$ > $CGROUP2/cgroup.procs # Move out the task
}
#
# Testing the new "isolated" partition root type
#
test_isolated()
{
echo 2-3 > cpuset.cpus
TYPE=$(cat cpuset.cpus.partition)
[[ $TYPE = member ]] || echo member > cpuset.cpus.partition
console_msg "Change from member to root"
test_partition root
console_msg "Change from root to isolated"
test_partition isolated
console_msg "Change from isolated to member"
test_partition member
console_msg "Change from member to isolated"
test_partition isolated
console_msg "Change from isolated to root"
test_partition root
console_msg "Change from root to member"
test_partition member
#
# Testing partition root with no cpu
#
console_msg "Distribute all cpus to child partition"
echo +cpuset > cgroup.subtree_control
test_partition root
mkdir A1
cd A1
echo 2-3 > cpuset.cpus
test_partition root
test_effective_cpus 2-3
cd ..
test_effective_cpus ""
console_msg "Moving task to partition test"
test_add_proc "No space left"
cd A1
test_add_proc ""
cd ..
console_msg "Shrink and expand child partition"
cd A1
echo 2 > cpuset.cpus
cd ..
test_effective_cpus 3
cd A1
echo 2-3 > cpuset.cpus
cd ..
test_effective_cpus ""
# Cleaning up
console_msg "Cleaning up"
echo $$ > $CGROUP2/cgroup.procs
[[ -d A1 ]] && rmdir A1
}
#
# Cpuset controller state transition test matrix.
#
# Cgroup test hierarchy
#
# test -- A1 -- A2 -- A3
# \- B1
#
# P<v> = set cpus.partition (0:member, 1:root, 2:isolated, -1:root invalid)
# C<l> = add cpu-list
# S<p> = use prefix in subtree_control
# T = put a task into cgroup
# O<c>-<v> = Write <v> to CPU online file of <c>
#
SETUP_A123_PARTITIONS="C1-3:P1:S+ C2-3:P1:S+ C3:P1"
TEST_MATRIX=(
# test old-A1 old-A2 old-A3 old-B1 new-A1 new-A2 new-A3 new-B1 fail ECPUs Pstate
# ---- ------ ------ ------ ------ ------ ------ ------ ------ ---- ----- ------
" S+ C0-1 . . C2-3 S+ C4-5 . . 0 A2:0-1"
" S+ C0-1 . . C2-3 P1 . . . 0 "
" S+ C0-1 . . C2-3 P1:S+ C0-1:P1 . . 0 "
" S+ C0-1 . . C2-3 P1:S+ C1:P1 . . 0 "
" S+ C0-1:S+ . . C2-3 . . . P1 0 "
" S+ C0-1:P1 . . C2-3 S+ C1 . . 0 "
" S+ C0-1:P1 . . C2-3 S+ C1:P1 . . 0 "
" S+ C0-1:P1 . . C2-3 S+ C1:P1 . P1 0 "
" S+ C0-1:P1 . . C2-3 C4-5 . . . 0 A1:4-5"
" S+ C0-1:P1 . . C2-3 S+:C4-5 . . . 0 A1:4-5"
" S+ C0-1 . . C2-3:P1 . . . C2 0 "
" S+ C0-1 . . C2-3:P1 . . . C4-5 0 B1:4-5"
" S+ C0-3:P1:S+ C2-3:P1 . . . . . . 0 A1:0-1,A2:2-3"
" S+ C0-3:P1:S+ C2-3:P1 . . C1-3 . . . 0 A1:1,A2:2-3"
" S+ C2-3:P1:S+ C3:P1 . . C3 . . . 0 A1:,A2:3 A1:P1,A2:P1"
" S+ C2-3:P1:S+ C3:P1 . . C3 P0 . . 0 A1:3,A2:3 A1:P1,A2:P0"
" S+ C2-3:P1:S+ C2:P1 . . C2-4 . . . 0 A1:3-4,A2:2"
" S+ C2-3:P1:S+ C3:P1 . . C3 . . C0-2 0 A1:,B1:0-2 A1:P1,A2:P1"
" S+ $SETUP_A123_PARTITIONS . C2-3 . . . 0 A1:,A2:2,A3:3 A1:P1,A2:P1,A3:P1"
# CPU offlining cases:
" S+ C0-1 . . C2-3 S+ C4-5 . O2-0 0 A1:0-1,B1:3"
" S+ C0-3:P1:S+ C2-3:P1 . . O2-0 . . . 0 A1:0-1,A2:3"
" S+ C0-3:P1:S+ C2-3:P1 . . O2-0 O2-1 . . 0 A1:0-1,A2:2-3"
" S+ C0-3:P1:S+ C2-3:P1 . . O1-0 . . . 0 A1:0,A2:2-3"
" S+ C0-3:P1:S+ C2-3:P1 . . O1-0 O1-1 . . 0 A1:0-1,A2:2-3"
" S+ C2-3:P1:S+ C3:P1 . . O3-0 O3-1 . . 0 A1:2,A2:3 A1:P1,A2:P1"
" S+ C2-3:P1:S+ C3:P2 . . O3-0 O3-1 . . 0 A1:2,A2:3 A1:P1,A2:P2"
" S+ C2-3:P1:S+ C3:P1 . . O2-0 O2-1 . . 0 A1:2,A2:3 A1:P1,A2:P1"
" S+ C2-3:P1:S+ C3:P2 . . O2-0 O2-1 . . 0 A1:2,A2:3 A1:P1,A2:P2"
" S+ C2-3:P1:S+ C3:P1 . . O2-0 . . . 0 A1:,A2:3 A1:P1,A2:P1"
" S+ C2-3:P1:S+ C3:P1 . . O3-0 . . . 0 A1:2,A2: A1:P1,A2:P1"
" S+ C2-3:P1:S+ C3:P1 . . T:O2-0 . . . 0 A1:3,A2:3 A1:P1,A2:P-1"
" S+ C2-3:P1:S+ C3:P1 . . . T:O3-0 . . 0 A1:2,A2:2 A1:P1,A2:P-1"
" S+ $SETUP_A123_PARTITIONS . O1-0 . . . 0 A1:,A2:2,A3:3 A1:P1,A2:P1,A3:P1"
" S+ $SETUP_A123_PARTITIONS . O2-0 . . . 0 A1:1,A2:,A3:3 A1:P1,A2:P1,A3:P1"
" S+ $SETUP_A123_PARTITIONS . O3-0 . . . 0 A1:1,A2:2,A3: A1:P1,A2:P1,A3:P1"
" S+ $SETUP_A123_PARTITIONS . T:O1-0 . . . 0 A1:2-3,A2:2-3,A3:3 A1:P1,A2:P-1,A3:P-1"
" S+ $SETUP_A123_PARTITIONS . . T:O2-0 . . 0 A1:1,A2:3,A3:3 A1:P1,A2:P1,A3:P-1"
" S+ $SETUP_A123_PARTITIONS . . . T:O3-0 . 0 A1:1,A2:2,A3:2 A1:P1,A2:P1,A3:P-1"
" S+ $SETUP_A123_PARTITIONS . T:O1-0 O1-1 . . 0 A1:1,A2:2,A3:3 A1:P1,A2:P1,A3:P1"
" S+ $SETUP_A123_PARTITIONS . . T:O2-0 O2-1 . 0 A1:1,A2:2,A3:3 A1:P1,A2:P1,A3:P1"
" S+ $SETUP_A123_PARTITIONS . . . T:O3-0 O3-1 0 A1:1,A2:2,A3:3 A1:P1,A2:P1,A3:P1"
" S+ $SETUP_A123_PARTITIONS . T:O1-0 O2-0 O1-1 . 0 A1:1,A2:,A3:3 A1:P1,A2:P1,A3:P1"
" S+ $SETUP_A123_PARTITIONS . T:O1-0 O2-0 O2-1 . 0 A1:2-3,A2:2-3,A3:3 A1:P1,A2:P-1,A3:P-1"
# test old-A1 old-A2 old-A3 old-B1 new-A1 new-A2 new-A3 new-B1 fail ECPUs Pstate
# ---- ------ ------ ------ ------ ------ ------ ------ ------ ---- ----- ------
#
# Incorrect change to cpuset.cpus invalidates partition root
#
# Adding CPUs to partition root that are not in parent's
# cpuset.cpus is allowed, but those extra CPUs are ignored.
" S+ C2-3:P1:S+ C3:P1 . . . C2-4 . . 0 A1:,A2:2-3 A1:P1,A2:P1"
# Taking away all CPUs from parent or itself if there are tasks
# will make the partition invalid.
" S+ C2-3:P1:S+ C3:P1 . . T C2-3 . . 0 A1:2-3,A2:2-3 A1:P1,A2:P-1"
" S+ C3:P1:S+ C3 . . T P1 . . 0 A1:3,A2:3 A1:P1,A2:P-1"
" S+ $SETUP_A123_PARTITIONS . T:C2-3 . . . 0 A1:2-3,A2:2-3,A3:3 A1:P1,A2:P-1,A3:P-1"
" S+ $SETUP_A123_PARTITIONS . T:C2-3:C1-3 . . . 0 A1:1,A2:2,A3:3 A1:P1,A2:P1,A3:P1"
# Changing a partition root to member makes child partitions invalid
" S+ C2-3:P1:S+ C3:P1 . . P0 . . . 0 A1:2-3,A2:3 A1:P0,A2:P-1"
" S+ $SETUP_A123_PARTITIONS . C2-3 P0 . . 0 A1:2-3,A2:2-3,A3:3 A1:P1,A2:P0,A3:P-1"
# cpuset.cpus can contains cpus not in parent's cpuset.cpus as long
# as they overlap.
" S+ C2-3:P1:S+ . . . . C3-4:P1 . . 0 A1:2,A2:3 A1:P1,A2:P1"
# Deletion of CPUs distributed to child cgroup is allowed.
" S+ C0-1:P1:S+ C1 . C2-3 C4-5 . . . 0 A1:4-5,A2:4-5"
# To become a valid partition root, cpuset.cpus must overlap parent's
# cpuset.cpus.
" S+ C0-1:P1 . . C2-3 S+ C4-5:P1 . . 0 A1:0-1,A2:0-1 A1:P1,A2:P-1"
# Enabling partition with child cpusets is allowed
" S+ C0-1:S+ C1 . C2-3 P1 . . . 0 A1:0-1,A2:1 A1:P1"
# A partition root with non-partition root parent is invalid, but it
# can be made valid if its parent becomes a partition root too.
" S+ C0-1:S+ C1 . C2-3 . P2 . . 0 A1:0-1,A2:1 A1:P0,A2:P-2"
" S+ C0-1:S+ C1:P2 . C2-3 P1 . . . 0 A1:0,A2:1 A1:P1,A2:P2"
# A non-exclusive cpuset.cpus change will invalidate partition and its siblings
" S+ C0-1:P1 . . C2-3 C0-2 . . . 0 A1:0-2,B1:2-3 A1:P-1,B1:P0"
" S+ C0-1:P1 . . P1:C2-3 C0-2 . . . 0 A1:0-2,B1:2-3 A1:P-1,B1:P-1"
" S+ C0-1 . . P1:C2-3 C0-2 . . . 0 A1:0-2,B1:2-3 A1:P0,B1:P-1"
# test old-A1 old-A2 old-A3 old-B1 new-A1 new-A2 new-A3 new-B1 fail ECPUs Pstate
# ---- ------ ------ ------ ------ ------ ------ ------ ------ ---- ----- ------
# Failure cases:
# A task cannot be added to a partition with no cpu
" S+ C2-3:P1:S+ C3:P1 . . O2-0:T . . . 1 A1:,A2:3 A1:P1,A2:P1"
)
#
# Write to the cpu online file
# $1 - <c>-<v> where <c> = cpu number, <v> value to be written
#
write_cpu_online()
{
CPU=${1%-*}
VAL=${1#*-}
CPUFILE=//sys/devices/system/cpu/cpu${CPU}/online
if [[ $VAL -eq 0 ]]
then
OFFLINE_CPUS="$OFFLINE_CPUS $CPU"
else
[[ -n "$OFFLINE_CPUS" ]] && {
OFFLINE_CPUS=$(echo $CPU $CPU $OFFLINE_CPUS | fmt -1 |\
sort | uniq -u)
}
fi
echo $VAL > $CPUFILE
pause 0.01
}
#
# Set controller state
# $1 - cgroup directory
# $2 - state
# $3 - showerr
#
# The presence of ":" in state means transition from one to the next.
#
set_ctrl_state()
{
TMPMSG=/tmp/.msg_$$
CGRP=$1
STATE=$2
SHOWERR=${3}${VERBOSE}
CTRL=${CTRL:=$CONTROLLER}
HASERR=0
REDIRECT="2> $TMPMSG"
[[ -z "$STATE" || "$STATE" = '.' ]] && return 0
rm -f $TMPMSG
for CMD in $(echo $STATE | sed -e "s/:/ /g")
do
TFILE=$CGRP/cgroup.procs
SFILE=$CGRP/cgroup.subtree_control
PFILE=$CGRP/cpuset.cpus.partition
CFILE=$CGRP/cpuset.cpus
S=$(expr substr $CMD 1 1)
if [[ $S = S ]]
then
PREFIX=${CMD#?}
COMM="echo ${PREFIX}${CTRL} > $SFILE"
eval $COMM $REDIRECT
elif [[ $S = C ]]
then
CPUS=${CMD#?}
COMM="echo $CPUS > $CFILE"
eval $COMM $REDIRECT
elif [[ $S = P ]]
then
VAL=${CMD#?}
case $VAL in
0) VAL=member
;;
1) VAL=root
;;
2) VAL=isolated
;;
*)
echo "Invalid partition state - $VAL"
exit 1
;;
esac
COMM="echo $VAL > $PFILE"
eval $COMM $REDIRECT
elif [[ $S = O ]]
then
VAL=${CMD#?}
write_cpu_online $VAL
elif [[ $S = T ]]
then
COMM="echo 0 > $TFILE"
eval $COMM $REDIRECT
fi
RET=$?
[[ $RET -ne 0 ]] && {
[[ -n "$SHOWERR" ]] && {
echo "$COMM"
cat $TMPMSG
}
HASERR=1
}
pause 0.01
rm -f $TMPMSG
done
return $HASERR
}
set_ctrl_state_noerr()
{
CGRP=$1
STATE=$2
[[ -d $CGRP ]] || mkdir $CGRP
set_ctrl_state $CGRP $STATE 1
[[ $? -ne 0 ]] && {
echo "ERROR: Failed to set $2 to cgroup $1!"
exit 1
}
}
online_cpus()
{
[[ -n "OFFLINE_CPUS" ]] && {
for C in $OFFLINE_CPUS
do
write_cpu_online ${C}-1
done
}
}
#
# Return 1 if the list of effective cpus isn't the same as the initial list.
#
reset_cgroup_states()
{
echo 0 > $CGROUP2/cgroup.procs
online_cpus
rmdir A1/A2/A3 A1/A2 A1 B1 > /dev/null 2>&1
set_ctrl_state . S-
pause 0.01
}
dump_states()
{
for DIR in A1 A1/A2 A1/A2/A3 B1
do
ECPUS=$DIR/cpuset.cpus.effective
PRS=$DIR/cpuset.cpus.partition
[[ -e $ECPUS ]] && echo "$ECPUS: $(cat $ECPUS)"
[[ -e $PRS ]] && echo "$PRS: $(cat $PRS)"
done
}
#
# Check effective cpus
# $1 - check string, format: <cgroup>:<cpu-list>[,<cgroup>:<cpu-list>]*
#
check_effective_cpus()
{
CHK_STR=$1
for CHK in $(echo $CHK_STR | sed -e "s/,/ /g")
do
set -- $(echo $CHK | sed -e "s/:/ /g")
CGRP=$1
CPUS=$2
[[ $CGRP = A2 ]] && CGRP=A1/A2
[[ $CGRP = A3 ]] && CGRP=A1/A2/A3
FILE=$CGRP/cpuset.cpus.effective
[[ -e $FILE ]] || return 1
[[ $CPUS = $(cat $FILE) ]] || return 1
done
}
#
# Check cgroup states
# $1 - check string, format: <cgroup>:<state>[,<cgroup>:<state>]*
#
check_cgroup_states()
{
CHK_STR=$1
for CHK in $(echo $CHK_STR | sed -e "s/,/ /g")
do
set -- $(echo $CHK | sed -e "s/:/ /g")
CGRP=$1
STATE=$2
FILE=
EVAL=$(expr substr $STATE 2 2)
[[ $CGRP = A2 ]] && CGRP=A1/A2
[[ $CGRP = A3 ]] && CGRP=A1/A2/A3
case $STATE in
P*) FILE=$CGRP/cpuset.cpus.partition
;;
*) echo "Unknown state: $STATE!"
exit 1
;;
esac
VAL=$(cat $FILE)
case "$VAL" in
member) VAL=0
;;
root) VAL=1
;;
isolated)
VAL=2
;;
"root invalid"*)
VAL=-1
;;
"isolated invalid"*)
VAL=-2
;;
esac
[[ $EVAL != $VAL ]] && return 1
done
return 0
}
#
# Run cpuset state transition test
# $1 - test matrix name
#
# This test is somewhat fragile as delays (sleep x) are added in various
# places to make sure state changes are fully propagated before the next
# action. These delays may need to be adjusted if running in a slower machine.
#
run_state_test()
{
TEST=$1
CONTROLLER=cpuset
CPULIST=0-6
I=0
eval CNT="\${#$TEST[@]}"
reset_cgroup_states
echo $CPULIST > cpuset.cpus
echo root > cpuset.cpus.partition
console_msg "Running state transition test ..."
while [[ $I -lt $CNT ]]
do
echo "Running test $I ..." > /dev/console
eval set -- "\${$TEST[$I]}"
ROOT=$1
OLD_A1=$2
OLD_A2=$3
OLD_A3=$4
OLD_B1=$5
NEW_A1=$6
NEW_A2=$7
NEW_A3=$8
NEW_B1=$9
RESULT=${10}
ECPUS=${11}
STATES=${12}
set_ctrl_state_noerr . $ROOT
set_ctrl_state_noerr A1 $OLD_A1
set_ctrl_state_noerr A1/A2 $OLD_A2
set_ctrl_state_noerr A1/A2/A3 $OLD_A3
set_ctrl_state_noerr B1 $OLD_B1
RETVAL=0
set_ctrl_state A1 $NEW_A1; ((RETVAL += $?))
set_ctrl_state A1/A2 $NEW_A2; ((RETVAL += $?))
set_ctrl_state A1/A2/A3 $NEW_A3; ((RETVAL += $?))
set_ctrl_state B1 $NEW_B1; ((RETVAL += $?))
[[ $RETVAL -ne $RESULT ]] && {
echo "Test $TEST[$I] failed result check!"
eval echo \"\${$TEST[$I]}\"
dump_states
exit 1
}
[[ -n "$ECPUS" && "$ECPUS" != . ]] && {
check_effective_cpus $ECPUS
[[ $? -ne 0 ]] && {
echo "Test $TEST[$I] failed effective CPU check!"
eval echo \"\${$TEST[$I]}\"
echo
dump_states
exit 1
}
}
[[ -n "$STATES" ]] && {
check_cgroup_states $STATES
[[ $? -ne 0 ]] && {
echo "FAILED: Test $TEST[$I] failed states check!"
eval echo \"\${$TEST[$I]}\"
echo
dump_states
exit 1
}
}
reset_cgroup_states
#
# Check to see if effective cpu list changes
#
pause 0.05
NEWLIST=$(cat cpuset.cpus.effective)
[[ $NEWLIST != $CPULIST ]] && {
echo "Effective cpus changed to $NEWLIST after test $I!"
exit 1
}
[[ -n "$VERBOSE" ]] && echo "Test $I done."
((I++))
done
echo "All $I tests of $TEST PASSED."
echo member > cpuset.cpus.partition
}
#
# Wait for inotify event for the given file and read it
# $1: cgroup file to wait for
# $2: file to store the read result
#
wait_inotify()
{
CGROUP_FILE=$1
OUTPUT_FILE=$2
$WAIT_INOTIFY $CGROUP_FILE
cat $CGROUP_FILE > $OUTPUT_FILE
}
#
# Test if inotify events are properly generated when going into and out of
# invalid partition state.
#
test_inotify()
{
ERR=0
PRS=/tmp/.prs_$$
[[ -f $WAIT_INOTIFY ]] || {
echo "wait_inotify not found, inotify test SKIPPED."
return
}
pause 0.01
echo 1 > cpuset.cpus
echo 0 > cgroup.procs
echo root > cpuset.cpus.partition
pause 0.01
rm -f $PRS
wait_inotify $PWD/cpuset.cpus.partition $PRS &
pause 0.01
set_ctrl_state . "O1-0"
pause 0.01
check_cgroup_states ".:P-1"
if [[ $? -ne 0 ]]
then
echo "FAILED: Inotify test - partition not invalid"
ERR=1
elif [[ ! -f $PRS ]]
then
echo "FAILED: Inotify test - event not generated"
ERR=1
kill %1
elif [[ $(cat $PRS) != "root invalid"* ]]
then
echo "FAILED: Inotify test - incorrect state"
cat $PRS
ERR=1
fi
online_cpus
echo member > cpuset.cpus.partition
echo 0 > ../cgroup.procs
if [[ $ERR -ne 0 ]]
then
exit 1
else
echo "Inotify test PASSED"
fi
}
trap cleanup 0 2 3 6
run_state_test TEST_MATRIX
test_isolated
test_inotify
echo "All tests PASSED."
cd ..
rmdir test