| /* |
| * Copyright (c) 2017, 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. |
| * |
| * 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 sun.hotspot.code.Compiler; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.io.IOException; |
| import java.util.stream.Collectors; |
| import java.io.OutputStream; |
| import jdk.test.lib.apps.LingeredApp; |
| import jdk.test.lib.JDKToolLauncher; |
| import jdk.test.lib.Platform; |
| import jdk.test.lib.process.OutputAnalyzer; |
| |
| /** |
| * @test |
| * @summary Test the 'universe' command of jhsdb clhsdb. |
| * @requires vm.hasSAandCanAttach & vm.gc != "Z" |
| * @bug 8190307 |
| * @library /test/lib |
| * @build jdk.test.lib.apps.* |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. TestUniverse withoutZ |
| */ |
| |
| /** |
| * @test |
| * @summary Test the 'universe' command of jhsdb clhsdb. |
| * @requires vm.hasSAandCanAttach & vm.gc == "Z" |
| * @bug 8190307 |
| * @library /test/lib |
| * @build jdk.test.lib.apps.* |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. TestUniverse withZ |
| */ |
| |
| public class TestUniverse { |
| |
| private static void testClhsdbForUniverse(long lingeredAppPid, |
| String gc) throws Exception { |
| |
| Process p; |
| JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb"); |
| launcher.addToolArg("clhsdb"); |
| launcher.addToolArg("--pid"); |
| launcher.addToolArg(Long.toString(lingeredAppPid)); |
| |
| ProcessBuilder pb = new ProcessBuilder(); |
| pb.command(launcher.getCommand()); |
| System.out.println( |
| pb.command().stream().collect(Collectors.joining(" "))); |
| |
| try { |
| p = pb.start(); |
| } catch (Exception attachE) { |
| throw new Error("Couldn't start jhsdb or attach to LingeredApp : " + attachE); |
| } |
| |
| // Issue the 'universe' command at the clhsdb prompt. |
| OutputStream input = p.getOutputStream(); |
| try { |
| input.write("universe\n".getBytes()); |
| input.write("quit\n".getBytes()); |
| input.flush(); |
| } catch (IOException ioe) { |
| throw new Error("Problem issuing the 'universe' command ", ioe); |
| } |
| |
| OutputAnalyzer output = new OutputAnalyzer(p); |
| |
| try { |
| p.waitFor(); |
| } catch (InterruptedException ie) { |
| p.destroyForcibly(); |
| throw new Error("Problem awaiting the child process: " + ie, ie); |
| } |
| if (gc.contains("UseZGC")) { |
| output.shouldContain("ZHeap"); |
| } |
| |
| output.shouldHaveExitValue(0); |
| System.out.println(output.getOutput()); |
| |
| output.shouldContain("Heap Parameters"); |
| if (gc.contains("G1GC")) { |
| output.shouldContain("garbage-first heap"); |
| output.shouldContain("region size"); |
| output.shouldContain("G1 Young Generation:"); |
| output.shouldContain("regions ="); |
| } |
| if (gc.contains("UseConcMarkSweepGC")) { |
| output.shouldContain("Gen 1: concurrent mark-sweep generation"); |
| } |
| if (gc.contains("UseSerialGC")) { |
| output.shouldContain("Gen 1: old"); |
| } |
| if (gc.contains("UseParallelGC")) { |
| output.shouldContain("ParallelScavengeHeap"); |
| output.shouldContain("PSYoungGen"); |
| output.shouldContain("eden"); |
| } |
| if (gc.contains("UseEpsilonGC")) { |
| output.shouldContain("Epsilon heap"); |
| output.shouldContain("reserved"); |
| output.shouldContain("committed"); |
| output.shouldContain("used"); |
| } |
| } |
| |
| public static void test(String gc) throws Exception { |
| LingeredApp app = null; |
| try { |
| List<String> vmArgs = new ArrayList<String>(); |
| vmArgs.add("-XX:+UnlockExperimentalVMOptions"); // unlock experimental GCs |
| vmArgs.add(gc); |
| app = LingeredApp.startApp(vmArgs); |
| System.out.println ("Started LingeredApp with the GC option " + gc + |
| " and pid " + app.getPid()); |
| testClhsdbForUniverse(app.getPid(), gc); |
| } finally { |
| LingeredApp.stopApp(app); |
| } |
| } |
| |
| |
| public static void main (String... args) throws Exception { |
| try { |
| test("-XX:+UseG1GC"); |
| test("-XX:+UseParallelGC"); |
| test("-XX:+UseSerialGC"); |
| if (!Compiler.isGraalEnabled()) { // Graal does not support all GCs |
| test("-XX:+UseConcMarkSweepGC"); |
| if (args[0].equals("withZ")) { |
| test("-XX:+UseZGC"); |
| } |
| test("-XX:+UseEpsilonGC"); |
| } |
| } catch (Exception e) { |
| throw new Error("Test failed with " + e); |
| } |
| } |
| } |