diff options
| -rwxr-xr-x | tools/testing/selftests/memory-hotplug/mem-on-off-test.sh | 70 |
1 files changed, 54 insertions, 16 deletions
diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh index 0f62c16c35c4..35025ce9ca66 100755 --- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh +++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh @@ -80,9 +80,12 @@ online_memory_expect_success() if ! online_memory $memory; then echo $FUNCNAME $memory: unexpected fail >&2 + return 1 elif ! memory_is_online $memory; then echo $FUNCNAME $memory: unexpected offline >&2 + return 1 fi + return 0 } online_memory_expect_fail() @@ -91,9 +94,12 @@ online_memory_expect_fail() if online_memory $memory 2> /dev/null; then echo $FUNCNAME $memory: unexpected success >&2 + return 1 elif ! memory_is_offline $memory; then echo $FUNCNAME $memory: unexpected online >&2 + return 1 fi + return 0 } offline_memory_expect_success() @@ -102,9 +108,12 @@ offline_memory_expect_success() if ! offline_memory $memory; then echo $FUNCNAME $memory: unexpected fail >&2 + return 1 elif ! memory_is_offline $memory; then echo $FUNCNAME $memory: unexpected offline >&2 + return 1 fi + return 0 } offline_memory_expect_fail() @@ -113,14 +122,18 @@ offline_memory_expect_fail() if offline_memory $memory 2> /dev/null; then echo $FUNCNAME $memory: unexpected success >&2 + return 1 elif ! memory_is_online $memory; then echo $FUNCNAME $memory: unexpected offline >&2 + return 1 fi + return 0 } error=-12 priority=0 ratio=10 +retval=0 while getopts e:hp:r: opt; do case $opt in @@ -152,35 +165,58 @@ fi prerequisite echo "Test scope: $ratio% hotplug memory" -echo -e "\t online all hotplug memory in offline state" -echo -e "\t offline $ratio% hotplug memory in online state" -echo -e "\t online all hotplug memory in offline state" # # Online all hot-pluggable memory # -for memory in `hotpluggable_offline_memory`; do - echo offline-online $memory - online_memory_expect_success $memory -done +hotpluggable_num=`hotpluggable_offline_memory | wc -l` +echo -e "\t online all hot-pluggable memory in offline state:" +if [ "$hotpluggable_num" -gt 0 ]; then + for memory in `hotpluggable_offline_memory`; do + echo "offline->online memory$memory" + if ! online_memory_expect_success $memory; then + retval=1 + fi + done +else + echo -e "\t\t SKIPPED - no hot-pluggable memory in offline state" +fi # # Offline $ratio percent of hot-pluggable memory # +hotpluggable_num=`hotpluggable_online_memory | wc -l` +target=`echo "a=$hotpluggable_num*$ratio; if ( a%100 ) a/100+1 else a/100" | bc` +echo -e "\t offline $ratio% hot-pluggable memory in online state" +echo -e "\t trying to offline $target out of $hotpluggable_num memory block(s):" for memory in `hotpluggable_online_memory`; do - if [ $((RANDOM % 100)) -lt $ratio ]; then - echo online-offline $memory - offline_memory_expect_success $memory + if [ "$target" -gt 0 ]; then + echo "online->offline memory$memory" + if offline_memory_expect_success $memory; then + target=$(($target - 1)) + fi fi done +if [ "$target" -gt 0 ]; then + retval=1 + echo -e "\t\t FAILED - unable to offline some memory blocks, device busy?" +fi # # Online all hot-pluggable memory again # -for memory in `hotpluggable_offline_memory`; do - echo offline-online $memory - online_memory_expect_success $memory -done +hotpluggable_num=`hotpluggable_offline_memory | wc -l` +echo -e "\t online all hot-pluggable memory in offline state:" +if [ "$hotpluggable_num" -gt 0 ]; then + for memory in `hotpluggable_offline_memory`; do + echo "offline->online memory$memory" + if ! online_memory_expect_success $memory; then + retval=1 + fi + done +else + echo -e "\t\t SKIPPED - no hot-pluggable memory in offline state" +fi # # Test with memory notifier error injection @@ -198,12 +234,12 @@ prerequisite_extra() if [ ! -d "$DEBUGFS" ]; then echo $msg debugfs is not mounted >&2 - exit 0 + exit $retval fi if [ ! -d $NOTIFIER_ERR_INJECT_DIR ]; then echo $msg memory-notifier-error-inject module is not available >&2 - exit 0 + exit $retval fi } @@ -246,3 +282,5 @@ done echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error /sbin/modprobe -q -r memory-notifier-error-inject + +exit $retval |