Hi! > > On 27.09.22 05:28, Zhao Gongyi wrote: > > Add checking for online_memory_expect_success()/ > > offline_memory_expect_success()/offline_memory_expect_fail(), or the > > test would exit 0 although the functions return 1. > > > > Signed-off-by: Zhao Gongyi <zhaogongyi@xxxxxxxxxx> > > --- > > .../selftests/memory-hotplug/mem-on-off-test.sh | 12 > +++++++++--- > > 1 file changed, 9 insertions(+), 3 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 46a97f318f58..1d87611a7d52 100755 > > --- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh > > +++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh > > @@ -266,7 +266,9 @@ done > > # > > echo $error > > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error > > for memory in `hotpluggable_offline_memory`; do > > - online_memory_expect_fail $memory > > + if ! online_memory_expect_fail $memory; then > > + retval=1 > > + fi > > done > > > > # > > @@ -274,7 +276,9 @@ done > > # > > echo 0 > > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error > > for memory in `hotpluggable_offline_memory`; do > > - online_memory_expect_success $memory > > + if ! online_memory_expect_success $memory; then > > + retval=1 > > + fi > > done > > > > # > > @@ -283,7 +287,9 @@ done > > echo $error > > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error > > for memory in `hotpluggable_online_memory`; do > > if [ $((RANDOM % 100)) -lt $ratio ]; then > > - offline_memory_expect_fail $memory > > + if ! offline_memory_expect_fail $memory; then > > + retval=1 > > + fi > > fi > > > LGTM > > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> > > > I am questioning the stability of the offlining test, though. > Offlining a random memory block can fail easily, because "->removable" is not > expressive: > > # tools/testing/selftests/memory-hotplug/mem-on-off-test.sh > Test scope: 2% hotplug memory > online all hot-pluggable memory in offline state: > SKIPPED - no hot-pluggable memory in offline state > offline 2% hot-pluggable memory in online state > trying to offline 2 out of 96 memory block(s): > online->offline memory0 > tools/testing/selftests/memory-hotplug/mem-on-off-test.sh: line 78: echo: > write error: Invalid argument offline_memory_expect_success 0: unexpected > fail > online->offline memory10 > online->offline memory11 > > > I guess this test will almost always fail nowadays. Offline some memory node maybe failed as expected, but the error message is a bit annoying. > > -- > Thanks, > > David / dhildenb
