162 lines
6.5 KiB
Java
162 lines
6.5 KiB
Java
/*
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* Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.util.List;
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import sun.jvm.hotspot.HotSpotAgent;
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import sun.jvm.hotspot.utilities.SystemDictionaryHelper;
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import sun.jvm.hotspot.oops.InstanceKlass;
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import sun.jvm.hotspot.debugger.*;
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import jdk.test.lib.apps.LingeredApp;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.JDKToolLauncher;
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import jdk.test.lib.JDKToolFinder;
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.SA.SATestUtils;
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import jdk.test.lib.Utils;
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/**
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* @test
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* @library /test/lib
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* @requires vm.hasSA
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* @modules java.base/jdk.internal.misc
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* jdk.hotspot.agent/sun.jvm.hotspot
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* jdk.hotspot.agent/sun.jvm.hotspot.utilities
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* jdk.hotspot.agent/sun.jvm.hotspot.oops
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* jdk.hotspot.agent/sun.jvm.hotspot.debugger
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. TestInstanceKlassSizeForInterface
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*/
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import jdk.test.whitebox.WhiteBox;
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public class TestInstanceKlassSizeForInterface {
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public static WhiteBox wb = WhiteBox.getWhiteBox();
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private static LingeredAppWithInterface theApp = null;
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private static void SAInstanceKlassSize(int lingeredAppPid,
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String[] instanceKlassNames) {
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HotSpotAgent agent = new HotSpotAgent();
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try {
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agent.attach(lingeredAppPid);
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}
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catch (DebuggerException e) {
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System.out.println(e.getMessage());
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System.err.println("Unable to connect to process ID: " + lingeredAppPid);
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agent.detach();
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e.printStackTrace();
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}
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for (String instanceKlassName : instanceKlassNames) {
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InstanceKlass iKlass = SystemDictionaryHelper.findInstanceKlass(
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instanceKlassName);
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Asserts.assertNotNull(iKlass,
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String.format("Unable to find instance klass for %s", instanceKlassName));
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System.out.println("SA: The size of " + instanceKlassName +
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" is " + iKlass.getSize());
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}
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agent.detach();
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}
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private static String getJcmdInstanceKlassSize(OutputAnalyzer output,
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String instanceKlassName) {
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for (String s : output.asLines()) {
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if (s.contains(instanceKlassName)) {
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String tokens[];
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System.out.println(s);
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tokens = s.split("\\s+");
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return tokens[3];
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}
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}
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return null;
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}
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private static void createAnotherToAttach(
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String[] instanceKlassNames,
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int lingeredAppPid) throws Exception {
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// Start a new process to attach to the LingeredApp process to get SA info
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ProcessBuilder processBuilder = ProcessTools.createLimitedTestJavaProcessBuilder(
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"--add-modules=jdk.hotspot.agent",
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot=ALL-UNNAMED",
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.utilities=ALL-UNNAMED",
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.oops=ALL-UNNAMED",
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"--add-exports=jdk.hotspot.agent/sun.jvm.hotspot.debugger=ALL-UNNAMED",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+WhiteBoxAPI",
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"-Xbootclasspath/a:.",
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"TestInstanceKlassSizeForInterface",
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Integer.toString(lingeredAppPid));
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SATestUtils.addPrivilegesIfNeeded(processBuilder);
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OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder);
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SAOutput.shouldHaveExitValue(0);
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System.out.println(SAOutput.getOutput());
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// Match the sizes from both the output streams
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for (String instanceKlassName : instanceKlassNames) {
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Class<?> iklass = Class.forName(instanceKlassName);
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System.out.println ("Trying to match for " + instanceKlassName);
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String size = String.valueOf(wb.getKlassMetadataSize(iklass));
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boolean match = false;
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for (String s : SAOutput.asLines()) {
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if (s.contains(instanceKlassName)) {
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Asserts.assertTrue(
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s.contains(size), "The size computed by SA for" +
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instanceKlassName + " does not match.");
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match = true;
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}
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}
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Asserts.assertTrue(match, "Found a match for " + instanceKlassName);
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}
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}
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public static void main (String... args) throws Exception {
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SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
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String[] instanceKlassNames = new String[] {
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"Language",
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"ParselTongue",
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"LingeredAppWithInterface$1"
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};
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if (args == null || args.length == 0) {
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try {
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theApp = new LingeredAppWithInterface();
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LingeredApp.startApp(theApp);
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createAnotherToAttach(instanceKlassNames,
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(int)theApp.getPid());
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} finally {
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LingeredApp.stopApp(theApp);
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}
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} else {
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SAInstanceKlassSize(Integer.parseInt(args[0]), instanceKlassNames);
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}
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}
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}
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