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linux-kselftest-next-6.1-rc1-2
This second Kselftest update for Linux 6.1-rc1 consists of fixes and improvements to memory-hotplug test and a minor spelling fix to ftrace test. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmNG4hgACgkQCwJExA0N QxwkPBAAyPd0ZUHlF7JjzdV2obHDGxbjMzi0x8Di8md4B24gE0PvGY79E7eM/uKd pBsop5cnvwGBZGuoBM0E/1J7UB/Lgedl2iYDUFXQe8JoPlOgvmBMbJCdZ3Zv8gxp sk5yIrLakgyp2WZng0QyQwZQY4nvq8Lf/f50T8/3+g8OBqF+xTo60DyEpsaDNHS4 3SddH8/jJ6TkG/5lRoEOlfYFrhCDuxq1e8R0jts1vgnpdhpSD9JZPr26VNGVcygB dkp4icsQFWAaZjNO6+7scgp1yfxBFJ2Fh/gDdfWqEAYvZtvnnr2XhwlYK+O7JZRp DuglF4Lo/AN3betWuAz4rWyqAYoBZxrUTxrsIVyzb3FqpRAlR32YPFfMo6iWYYn4 638E6cYvkNbbbhCEEgHJJiFZzUB/xbLR/Y8gD4Que/Y+Ck7+zuvQMzZWHQNJfsGx OhhfUcJlw/VzRpdZx1UToT++DqOqJLBL7DVMATbiXd2rDGKbnEw2pKkeuURXVged 1nis9odge5yY42Q5I3doyPHO7rENOAP2wmlKvJqFDKZFoD23MsGv/m6gpg/HaS1Q T27L1hHFXPrAZ14MxGva1DTVTPU8D/ciHcqjCWWmnHp8M359JvjOsDL7PyMUcGlm bVSqcciy71utp1XaFfaF7kT1bwnNeGgGqs0EXcmj4xE8CyOtat8= =GXpd -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-next-6.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull more Kselftest updates from Shuah Khan: "This consists of fixes and improvements to memory-hotplug test and a minor spelling fix to ftrace test" * tag 'linux-kselftest-next-6.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: docs: notifier-error-inject: Correct test's name selftests/memory-hotplug: Adjust log info for maintainability selftests/memory-hotplug: Restore memory before exit selftests/memory-hotplug: Add checking after online or offline selftests/ftrace: func_event_triggers: fix typo in user message
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commit
661e00960f
Documentation/fault-injection
tools/testing/selftests
@ -91,8 +91,8 @@ For more usage examples
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There are tools/testing/selftests using the notifier error injection features
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for CPU and memory notifiers.
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* tools/testing/selftests/cpu-hotplug/on-off-test.sh
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* tools/testing/selftests/memory-hotplug/on-off-test.sh
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* tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
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* tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
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These scripts first do simple online and offline tests and then do fault
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injection tests if notifier error injection module is available.
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@ -85,7 +85,7 @@ run_enable_disable() {
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echo $check_disable > $EVENT_ENABLE
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done
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sleep $SLEEP_TIME
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echo " make sure it's still works"
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echo " make sure it still works"
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test_event_enabled $check_enable_star
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reset_ftrace_filter
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@ -134,6 +134,16 @@ offline_memory_expect_fail()
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return 0
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}
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online_all_offline_memory()
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{
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for memory in `hotpluggable_offline_memory`; do
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if ! online_memory_expect_success $memory; then
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echo "$FUNCNAME $memory: unexpected fail" >&2
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retval=1
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fi
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done
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}
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error=-12
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priority=0
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# Run with default of ratio=2 for Kselftest run
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@ -197,8 +207,11 @@ echo -e "\t trying to offline $target out of $hotpluggable_num memory block(s):"
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for memory in `hotpluggable_online_memory`; do
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if [ "$target" -gt 0 ]; then
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echo "online->offline memory$memory"
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if offline_memory_expect_success $memory; then
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if offline_memory_expect_success $memory &>/dev/null; then
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target=$(($target - 1))
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echo "-> Success"
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else
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echo "-> Failure"
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fi
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fi
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done
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@ -257,7 +270,7 @@ prerequisite_extra
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echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error
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for memory in `hotpluggable_online_memory`; do
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if [ $((RANDOM % 100)) -lt $ratio ]; then
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offline_memory_expect_success $memory
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offline_memory_expect_success $memory &>/dev/null
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fi
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done
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@ -266,16 +279,16 @@ done
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#
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echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error
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for memory in `hotpluggable_offline_memory`; do
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online_memory_expect_fail $memory
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if ! online_memory_expect_fail $memory; then
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retval=1
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fi
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done
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#
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# Online all hot-pluggable memory
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#
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echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error
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for memory in `hotpluggable_offline_memory`; do
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online_memory_expect_success $memory
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done
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online_all_offline_memory
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#
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# Test memory hot-remove error handling (online => offline)
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@ -283,11 +296,18 @@ done
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echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error
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for memory in `hotpluggable_online_memory`; do
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if [ $((RANDOM % 100)) -lt $ratio ]; then
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offline_memory_expect_fail $memory
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if ! offline_memory_expect_fail $memory; then
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retval=1
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fi
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fi
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done
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echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error
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/sbin/modprobe -q -r memory-notifier-error-inject
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#
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# Restore memory before exit
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#
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online_all_offline_memory
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exit $retval
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