--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/sa/TestInstanceKlassSizeForInterface.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2015, 2017, 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.
+ *
+ * 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.
+ */
+
+import java.util.ArrayList;
+import java.util.List;
+
+import sun.jvm.hotspot.HotSpotAgent;
+import sun.jvm.hotspot.utilities.SystemDictionaryHelper;
+import sun.jvm.hotspot.oops.InstanceKlass;
+import sun.jvm.hotspot.debugger.*;
+
+import jdk.test.lib.apps.LingeredApp;
+import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.JDKToolFinder;
+import jdk.test.lib.Platform;
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.Utils;
+import jdk.test.lib.Asserts;
+
+/*
+ * @test
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ * jdk.hotspot.agent/sun.jvm.hotspot
+ * jdk.hotspot.agent/sun.jvm.hotspot.utilities
+ * jdk.hotspot.agent/sun.jvm.hotspot.oops
+ * jdk.hotspot.agent/sun.jvm.hotspot.debugger
+ * @run main/othervm TestInstanceKlassSizeForInterface
+ */
+
+public class TestInstanceKlassSizeForInterface {
+
+ private static LingeredAppWithInterface theApp = null;
+
+ private static void SAInstanceKlassSize(int lingeredAppPid,
+ String[] instanceKlassNames) {
+
+ HotSpotAgent agent = new HotSpotAgent();
+ try {
+ agent.attach(lingeredAppPid);
+ }
+ catch (DebuggerException e) {
+ System.out.println(e.getMessage());
+ System.err.println("Unable to connect to process ID: " + lingeredAppPid);
+
+ agent.detach();
+ e.printStackTrace();
+ }
+
+ for (String instanceKlassName : instanceKlassNames) {
+ InstanceKlass iKlass = SystemDictionaryHelper.findInstanceKlass(
+ instanceKlassName);
+ Asserts.assertNotNull(iKlass,
+ String.format("Unable to find instance klass for %s", instanceKlassName));
+ System.out.println("SA: The size of " + instanceKlassName +
+ " is " + iKlass.getSize());
+ }
+ agent.detach();
+ }
+
+ private static String getJcmdInstanceKlassSize(OutputAnalyzer output,
+ String instanceKlassName) {
+ for (String s : output.asLines()) {
+ if (s.contains(instanceKlassName)) {
+ String tokens[];
+ System.out.println(s);
+ tokens = s.split("\\s+");
+ return tokens[3];
+ }
+ }
+ return null;
+ }
+
+ private static void createAnotherToAttach(
+ String[] instanceKlassNames,
+ int lingeredAppPid) throws Exception {
+
+ String[] toolArgs = {
+ "--add-modules=jdk.hotspot.agent",
+ "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot=ALL-UNNAMED",
+ "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.utilities=ALL-UNNAMED",
+ "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.oops=ALL-UNNAMED",
+ "--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.debugger=ALL-UNNAMED",
+ "TestInstanceKlassSizeForInterface",
+ Integer.toString(lingeredAppPid)
+ };
+
+ // Start a new process to attach to the LingeredApp process
+ ProcessBuilder processBuilder = ProcessTools
+ .createJavaProcessBuilder(toolArgs);
+ OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder);
+ SAOutput.shouldHaveExitValue(0);
+ System.out.println(SAOutput.getOutput());
+
+ // Run jcmd on the LingeredApp process
+ ProcessBuilder pb = new ProcessBuilder();
+ pb.command(new String[] {
+ JDKToolFinder.getJDKTool("jcmd"),
+ Long.toString(lingeredAppPid),
+ "GC.class_stats",
+ "VTab,ITab,OopMap,KlassBytes"
+ }
+ );
+
+ OutputAnalyzer jcmdOutput = new OutputAnalyzer(pb.start());
+ System.out.println(jcmdOutput.getOutput());
+
+ // Match the sizes from both the output streams
+ for (String instanceKlassName : instanceKlassNames) {
+ System.out.println ("Trying to match for " + instanceKlassName);
+ String jcmdInstanceKlassSize = getJcmdInstanceKlassSize(
+ jcmdOutput,
+ instanceKlassName);
+ Asserts.assertNotNull(jcmdInstanceKlassSize,
+ "Could not get the instance klass size from the jcmd output");
+ for (String s : SAOutput.asLines()) {
+ if (s.contains(instanceKlassName)) {
+ Asserts.assertTrue(
+ s.contains(jcmdInstanceKlassSize),
+ "The size computed by SA for " +
+ instanceKlassName + " does not match.");
+ }
+ }
+ }
+ }
+
+ public static void main (String... args) throws Exception {
+ String[] instanceKlassNames = new String[] {
+ "Language",
+ "ParselTongue",
+ "LingeredAppWithInterface$1"
+ };
+
+ if (!Platform.shouldSAAttach()) {
+ System.out.println(
+ "SA attach not expected to work - test skipped.");
+ return;
+ }
+
+ if (args == null || args.length == 0) {
+ try {
+ List<String> vmArgs = new ArrayList<String>();
+ vmArgs.addAll(Utils.getVmOptions());
+
+ theApp = new LingeredAppWithInterface();
+ LingeredApp.startApp(vmArgs, theApp);
+ createAnotherToAttach(instanceKlassNames,
+ (int)theApp.getPid());
+ } finally {
+ LingeredApp.stopApp(theApp);
+ }
+ } else {
+ SAInstanceKlassSize(Integer.parseInt(args[0]), instanceKlassNames);
+ }
+ }
+}