8281638: jfr/event/allocation tests fail with release VMs after JDK-8281318 due to lack of -XX:+UnlockDiagnosticVMOptions

Backport-of: d254cf28c5e72bd9b8de863b831015237640ca25

Author: shipilev

test/jdk/jdk/jfr/event/allocation/TestObjectAllocationInNewTLABEvent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,10 +42,10 @@
  * @build sun.hotspot.WhiteBox
  *
  * @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
- * @run main/othervm -XX:+WhiteBoxAPI -Xbootclasspath/a:.
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
  *                   -XX:+UseTLAB -XX:TLABSize=100k -XX:-ResizeTLAB -XX:TLABRefillWasteFraction=1
  *                   jdk.jfr.event.allocation.TestObjectAllocationInNewTLABEvent
- * @run main/othervm -XX:+WhiteBoxAPI -Xbootclasspath/a:.
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
  *                   -XX:+UseTLAB -XX:TLABSize=100k -XX:-ResizeTLAB -XX:TLABRefillWasteFraction=1
  *                   -Xint
  *                   jdk.jfr.event.allocation.TestObjectAllocationInNewTLABEvent

test/jdk/jdk/jfr/event/allocation/TestObjectAllocationOutsideTLABEvent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,10 +42,10 @@
  * @build sun.hotspot.WhiteBox
  *
  * @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
- * @run main/othervm -XX:+WhiteBoxAPI -Xbootclasspath/a:.
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
  *                   -XX:+UseTLAB -XX:TLABSize=90k -XX:-ResizeTLAB -XX:TLABRefillWasteFraction=256
  *                   jdk.jfr.event.allocation.TestObjectAllocationOutsideTLABEvent
- * @run main/othervm -XX:+WhiteBoxAPI -Xbootclasspath/a:.
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
  *                   -XX:+UseTLAB -XX:TLABSize=90k -XX:-ResizeTLAB -XX:TLABRefillWasteFraction=256
  *                   -Xint
  *                   jdk.jfr.event.allocation.TestObjectAllocationOutsideTLABEvent

test/jdk/jdk/jfr/event/allocation/TestObjectAllocationSampleEventThrottling.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -44,7 +44,7 @@
  * @build sun.hotspot.WhiteBox
  *
  * @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
- * @run main/othervm -XX:+WhiteBoxAPI -Xbootclasspath/a:.
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
  *                   -XX:+UseTLAB -XX:TLABSize=2k -XX:-ResizeTLAB
  *                   jdk.jfr.event.allocation.TestObjectAllocationSampleEventThrottling
  */