test/jdk/jdk/jfr/event/runtime/TestVMOperation.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/event/runtime/TestVMOperation.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2013, 2018, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.jfr.event.runtime;
+
+import java.time.Duration;
+import java.util.List;
+
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.jfr.consumer.RecordedThread;
+import jdk.test.lib.jfr.EventNames;
+import jdk.test.lib.jfr.Events;
+
+/*
+ * @test
+ * @requires vm.gc == "Parallel" | vm.gc == null
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm -XX:+UseParallelGC jdk.jfr.event.runtime.TestVMOperation
+ */
+public class TestVMOperation {
+
+    private static final String EVENT_NAME = EventNames.ExecuteVMOperation;
+    private static final String VM_OPERATION = "ParallelGCSystemGC";
+
+    public static void main(String[] args) throws Throwable {
+        Recording recording = new Recording();
+        recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(0));
+        recording.start();
+        System.gc();
+        recording.stop();
+
+        List<RecordedEvent> events = Events.fromRecording(recording);
+        Events.hasEvents(events);
+        for (RecordedEvent event : Events.fromRecording(recording)) {
+            String operation = Events.assertField(event, "operation").notEmpty().getValue();
+            if (operation.equals(VM_OPERATION)) {
+                Events.assertField(event, "safepoint").equal(true);
+                Events.assertField(event, "blocking").equal(true);
+                RecordedThread jt = event.getValue("caller");
+                if (Thread.currentThread().getName().equals(jt.getJavaName())) {
+                    return;
+                }
+            }
+        }
+        throw new AssertionError("No matching event with VM operation name " + VM_OPERATION + " and current threasd as caller");
+    }
+}