157 lines
6.4 KiB
Java
157 lines
6.4 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 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 java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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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.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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import java.io.*;
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import java.util.*;
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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:. TestInstanceKlassSize
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*/
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import jdk.test.whitebox.WhiteBox;
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public class TestInstanceKlassSize {
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public static WhiteBox wb = WhiteBox.getWhiteBox();
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private static String[] SAInstanceKlassNames = new String[] {
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"java.lang.Object",
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"java.util.ArrayList",
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"java.lang.String",
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"java.lang.Thread",
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"java.lang.Byte"
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};
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private static void startMeWithArgs() throws Exception {
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LingeredApp app = null;
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OutputAnalyzer output = null;
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try {
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app = LingeredApp.startApp("-XX:+UsePerfData");
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System.out.println ("Started LingeredApp with pid " + app.getPid());
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} catch (Exception ex) {
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ex.printStackTrace();
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throw new RuntimeException(ex);
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}
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try {
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// Run this app with the LingeredApp PID to get SA output from the LingeredApp
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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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"TestInstanceKlassSize",
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Long.toString(app.getPid()));
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SATestUtils.addPrivilegesIfNeeded(processBuilder);
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output = ProcessTools.executeProcess(processBuilder);
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System.out.println(output.getOutput());
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output.shouldHaveExitValue(0);
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// Check whether the size matches with value from VM.
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for (String instanceKlassName : SAInstanceKlassNames) {
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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 : output.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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} finally {
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LingeredApp.stopApp(app);
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}
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}
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private static void SAInstanceKlassSize(int pid,
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String[] SAInstanceKlassNames) {
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HotSpotAgent agent = new HotSpotAgent();
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try {
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agent.attach(pid);
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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: " + pid);
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agent.detach();
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e.printStackTrace();
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}
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for (String SAInstanceKlassName : SAInstanceKlassNames) {
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InstanceKlass ik = SystemDictionaryHelper.findInstanceKlass(
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SAInstanceKlassName);
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Asserts.assertNotNull(ik,
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String.format("Unable to find instance klass for %s", SAInstanceKlassName));
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System.out.println("SA: The size of " + SAInstanceKlassName +
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" is " + ik.getSize());
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}
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agent.detach();
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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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if (args == null || args.length == 0) {
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System.out.println ("No args run. Starting with args now.");
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startMeWithArgs();
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} else {
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SAInstanceKlassSize(Integer.parseInt(args[0]), SAInstanceKlassNames);
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}
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}
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}
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