| /* |
| * Copyright (c) 2018, 2019, 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. |
| * |
| */ |
| |
| /* |
| * @test |
| * @summary Test dumping with limited metaspace with loading of JVMCI related classes. |
| * VM should not crash but CDS dump will abort upon failure in allocating metaspace. |
| * @requires vm.cds & vm.graal.enabled & vm.compMode == "Xmixed" |
| * @library /test/lib |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * jdk.jartool/sun.tools.jar |
| * @build UseAppCDS_Test |
| * @run driver ClassFileInstaller -jar test.jar UseAppCDS_Test |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:+TieredCompilation -XX:+UseJVMCICompiler -Djvmci.Compiler=graal |
| * GraalWithLimitedMetaspace |
| */ |
| |
| import jdk.test.lib.cds.CDSTestUtils; |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.process.ProcessTools; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.io.*; |
| |
| public class GraalWithLimitedMetaspace { |
| |
| // Class UseAppCDS_Test is loaded by the App loader |
| |
| static final String TEST_OUT = "UseAppCDS_Test.main--executed"; |
| |
| private static final String TESTJAR = "./test.jar"; |
| private static final String TESTNAME = "UseAppCDS_Test"; |
| private static final String TESTCLASS = TESTNAME + ".class"; |
| |
| private static final String CLASSLIST_FILE = "./GraalWithLimitedMetaspace.classlist"; |
| private static final String ARCHIVE_FILE = "./GraalWithLimitedMetaspace.jsa"; |
| private static final String BOOTCLASS = "java.lang.Class"; |
| |
| public static void main(String[] args) throws Exception { |
| |
| // dump loaded classes into a classlist file |
| dumpLoadedClasses(new String[] { BOOTCLASS, TESTNAME }); |
| |
| |
| // create an archive using the classlist |
| dumpArchive(); |
| |
| } |
| |
| public static List<String> toClassNames(String filename) throws IOException { |
| ArrayList<String> classes = new ArrayList<>(); |
| try (BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(filename)))) { |
| for (; ; ) { |
| String line = br.readLine(); |
| if (line == null) { |
| break; |
| } |
| classes.add(line.replaceAll("/", ".")); |
| } |
| } |
| return classes; |
| } |
| |
| static void dumpLoadedClasses(String[] expectedClasses) throws Exception { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, |
| TestCommon.makeCommandLineForAppCDS( |
| "-XX:DumpLoadedClassList=" + CLASSLIST_FILE, |
| // trigger JVMCI runtime init so that JVMCI classes will be |
| // included in the classlist |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+EnableJVMCI", |
| "-XX:+EagerJVMCI", |
| "-cp", |
| TESTJAR, |
| TESTNAME, |
| TEST_OUT)); |
| |
| OutputAnalyzer output = TestCommon.executeAndLog(pb, "dump-loaded-classes") |
| .shouldHaveExitValue(0) |
| .shouldContain(TEST_OUT); |
| |
| List<String> dumpedClasses = toClassNames(CLASSLIST_FILE); |
| |
| for (String clazz : expectedClasses) { |
| if (!dumpedClasses.contains(clazz)) { |
| throw new RuntimeException(clazz + " missing in " + |
| CLASSLIST_FILE); |
| } |
| } |
| } |
| |
| static void dumpArchive() throws Exception { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, |
| TestCommon.makeCommandLineForAppCDS( |
| "-cp", |
| TESTJAR, |
| "-XX:SharedClassListFile=" + CLASSLIST_FILE, |
| "-XX:SharedArchiveFile=" + ARCHIVE_FILE, |
| "-Xlog:cds", |
| "-Xshare:dump", |
| "-XX:MetaspaceSize=12M", |
| "-XX:MaxMetaspaceSize=12M")); |
| |
| OutputAnalyzer output = TestCommon.executeAndLog(pb, "dump-archive"); |
| int exitValue = output.getExitValue(); |
| if (exitValue == 1) { |
| output.shouldContain("Failed allocating metaspace object type"); |
| } else if (exitValue == 0) { |
| output.shouldContain("Loading classes to share"); |
| } else { |
| throw new RuntimeException("Unexpected exit value " + exitValue); |
| } |
| } |
| } |