aoqi@0: /*
aoqi@0:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 8024927
aoqi@0:  * @summary Testing address of compressed class pointer space as best as possible.
aoqi@0:  * @library /testlibrary
aoqi@0:  */
aoqi@0: 
aoqi@0: import com.oracle.java.testlibrary.*;
aoqi@0: 
aoqi@0: public class CompressedClassPointers {
aoqi@0: 
aoqi@0:     public static void smallHeapTest() throws Exception {
aoqi@0:         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
aoqi@0:             "-XX:+UnlockDiagnosticVMOptions",
aoqi@0:             "-XX:SharedBaseAddress=8g",
aoqi@0:             "-Xmx128m",
aoqi@0:             "-XX:+PrintCompressedOopsMode",
aoqi@0:             "-XX:+VerifyBeforeGC", "-version");
aoqi@0:         OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0:         output.shouldContain("Narrow klass base: 0x0000000000000000");
aoqi@0:         output.shouldHaveExitValue(0);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void smallHeapTestWith3G() throws Exception {
aoqi@0:         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
aoqi@0:             "-XX:+UnlockDiagnosticVMOptions",
aoqi@0:             "-XX:CompressedClassSpaceSize=3g",
aoqi@0:             "-Xmx128m",
aoqi@0:             "-XX:+PrintCompressedOopsMode",
aoqi@0:             "-XX:+VerifyBeforeGC", "-version");
aoqi@0:         OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0:         output.shouldContain("Narrow klass base: 0x0000000000000000, Narrow klass shift: 3");
aoqi@0:         output.shouldHaveExitValue(0);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void largeHeapTest() throws Exception {
aoqi@0:         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
aoqi@0:             "-XX:+UnlockDiagnosticVMOptions",
aoqi@0:             "-Xmx30g",
aoqi@0:             "-XX:+PrintCompressedOopsMode",
aoqi@0:             "-XX:+VerifyBeforeGC", "-version");
aoqi@0:         OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0:         output.shouldNotContain("Narrow klass base: 0x0000000000000000");
aoqi@0:         output.shouldContain("Narrow klass shift: 0");
aoqi@0:         output.shouldHaveExitValue(0);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void largePagesTest() throws Exception {
aoqi@0:         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
aoqi@0:             "-XX:+UnlockDiagnosticVMOptions",
aoqi@0:             "-Xmx128m",
aoqi@0:             "-XX:+UseLargePages",
aoqi@0:             "-XX:+PrintCompressedOopsMode",
aoqi@0:             "-XX:+VerifyBeforeGC", "-version");
aoqi@0:         OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0:         output.shouldContain("Narrow klass base:");
aoqi@0:         output.shouldHaveExitValue(0);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void sharingTest() throws Exception {
aoqi@0:         // Test small heaps
aoqi@0:         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
aoqi@0:             "-XX:+UnlockDiagnosticVMOptions",
aoqi@0:             "-XX:SharedArchiveFile=./sample.jsa",
aoqi@0:             "-Xmx128m",
aoqi@0:             "-XX:SharedBaseAddress=8g",
aoqi@0:             "-XX:+PrintCompressedOopsMode",
aoqi@0:             "-XX:+VerifyBeforeGC",
aoqi@0:             "-Xshare:dump");
aoqi@0:         OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0:         try {
aoqi@0:           output.shouldContain("Loading classes to share");
aoqi@0:           output.shouldHaveExitValue(0);
aoqi@0: 
aoqi@0:           pb = ProcessTools.createJavaProcessBuilder(
aoqi@0:             "-XX:+UnlockDiagnosticVMOptions",
aoqi@0:             "-XX:SharedArchiveFile=./sample.jsa",
aoqi@0:             "-Xmx128m",
aoqi@0:             "-XX:SharedBaseAddress=8g",
aoqi@0:             "-XX:+PrintCompressedOopsMode",
aoqi@0:             "-Xshare:on",
aoqi@0:             "-version");
aoqi@0:           output = new OutputAnalyzer(pb.start());
aoqi@0:           output.shouldContain("sharing");
aoqi@0:           output.shouldHaveExitValue(0);
aoqi@0: 
aoqi@0:         } catch (RuntimeException e) {
aoqi@0:           output.shouldContain("Unable to use shared archive");
aoqi@0:           output.shouldHaveExitValue(1);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:   public static void main(String[] args) throws Exception {
aoqi@0:       if (!Platform.is64bit()) {
aoqi@0:           // Can't test this on 32 bit, just pass
aoqi@0:           System.out.println("Skipping test on 32bit");
aoqi@0:           return;
aoqi@0:       }
aoqi@0:       // Solaris 10 can't mmap compressed oops space without a base
aoqi@0:       if (Platform.isSolaris()) {
aoqi@0:            String name = System.getProperty("os.version");
aoqi@0:            if (name.equals("5.10")) {
aoqi@0:                System.out.println("Skipping test on Solaris 10");
aoqi@0:                return;
aoqi@0:            }
aoqi@0:       }
aoqi@0:       smallHeapTest();
aoqi@0:       smallHeapTestWith3G();
aoqi@0:       largeHeapTest();
aoqi@0:       largePagesTest();
aoqi@0:       sharingTest();
aoqi@0:   }
aoqi@0: }