test/jdk/jdk/jfr/event/gc/detailed/TestEvacuationFailedEvent.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/event/gc/detailed/TestEvacuationFailedEvent.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,74 @@
+/*
+ * 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.gc.detailed;
+
+import java.io.File;
+import java.nio.file.Paths;
+import java.util.List;
+
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.jfr.consumer.RecordingFile;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.jfr.Events;
+
+/*
+ * @test
+ * @key jfr
+ *
+ * @library /test/lib /test/jdk
+ * @requires vm.gc == "G1" | vm.gc == null
+ *
+ * @run main jdk.jfr.event.gc.detailed.TestEvacuationFailedEvent
+ */
+public class TestEvacuationFailedEvent {
+
+    private final static String EVENT_SETTINGS_FILE = System.getProperty("test.src", ".") + File.separator + "evacuationfailed-testsettings.jfc";
+    private final static String JFR_FILE = "TestEvacuationFailedEvent.jfr";
+    private final static int BYTES_TO_ALLOCATE = 1024 * 512;
+
+    public static void main(String[] args) throws Exception {
+        String[] vmFlags = {"-XX:+UnlockExperimentalVMOptions", "-XX:-UseFastUnorderedTimeStamps",
+            "-Xmx64m", "-Xmn60m", "-XX:-UseDynamicNumberOfGCThreads", "-XX:ParallelGCThreads=3",
+            "-XX:MaxTenuringThreshold=0", "-Xlog:gc*=debug", "-XX:+UseG1GC"};
+
+        if (!ExecuteOOMApp.execute(EVENT_SETTINGS_FILE, JFR_FILE, vmFlags, BYTES_TO_ALLOCATE)) {
+            System.out.println("OOM happened in the other thread(not test thread). Skip test.");
+            // Skip test, process terminates due to the OOME error in the different thread
+            return;
+        }
+
+        List<RecordedEvent> events = RecordingFile.readAllEvents(Paths.get(JFR_FILE));
+
+        Events.hasEvents(events);
+        for (RecordedEvent event : events) {
+            long objectCount = Events.assertField(event, "evacuationFailed.objectCount").atLeast(1L).getValue();
+            long smallestSize = Events.assertField(event, "evacuationFailed.smallestSize").atLeast(1L).getValue();
+            long firstSize = Events.assertField(event, "evacuationFailed.firstSize").atLeast(smallestSize).getValue();
+            long totalSize = Events.assertField(event, "evacuationFailed.totalSize").atLeast(firstSize).getValue();
+            Asserts.assertLessThanOrEqual(smallestSize * objectCount, totalSize, "smallestSize * objectCount <= totalSize");
+        }
+    }
+}