1 /*
   2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
   3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 *
   5 * This code is free software; you can redistribute it and/or modify it
   6 * under the terms of the GNU General Public License version 2 only, as
   7 * published by the Free Software Foundation.
   8 *
   9 * This code is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 * version 2 for more details (a copy is included in the LICENSE file that
  13 * accompanied this code).
  14 *
  15 * You should have received a copy of the GNU General Public License version
  16 * 2 along with this work; if not, write to the Free Software Foundation,
  17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18 *
  19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20 * or visit www.oracle.com if you need additional information or have any
  21 * questions.
  22 */
  23 
  24 import sun.management.ManagementFactoryHelper;
  25 import com.sun.management.HotSpotDiagnosticMXBean;
  26 import com.sun.management.VMOption;
  27 
  28 import java.util.regex.Matcher;
  29 import java.util.regex.Pattern;
  30 import java.util.ArrayList;
  31 import java.util.Arrays;
  32 
  33 import com.oracle.java.testlibrary.*;

  34 import sun.hotspot.WhiteBox;
  35 
  36 class DetermineMaxHeapForCompressedOops {
  37   public static void main(String[] args) throws Exception {
  38     WhiteBox wb = WhiteBox.getWhiteBox();
  39     System.out.print(wb.getCompressedOopsMaxHeapSize());
  40   }
  41 }
  42 
  43 class TestUseCompressedOopsErgoTools {
  44 
  45   private static long getCompressedClassSpaceSize() {
  46     HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean();

  47 
  48     VMOption option = diagnostic.getVMOption("CompressedClassSpaceSize");
  49     return Long.parseLong(option.getValue());
  50   }
  51 
  52 
  53   public static long getMaxHeapForCompressedOops(String[] vmargs) throws Exception {
  54     OutputAnalyzer output = runWhiteBoxTest(vmargs, DetermineMaxHeapForCompressedOops.class.getName(), new String[] {}, false);
  55     return Long.parseLong(output.getStdout());
  56   }
  57 
  58   public static boolean is64bitVM() {
  59     String val = System.getProperty("sun.arch.data.model");
  60     if (val == null) {
  61       throw new RuntimeException("Could not read sun.arch.data.model");
  62     }
  63     if (val.equals("64")) {
  64       return true;
  65     } else if (val.equals("32")) {
  66       return false;

   1 /*
   2 * Copyright (c) 2013, 2015,Oracle and/or its affiliates. All rights reserved.
   3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 *
   5 * This code is free software; you can redistribute it and/or modify it
   6 * under the terms of the GNU General Public License version 2 only, as
   7 * published by the Free Software Foundation.
   8 *
   9 * This code is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 * version 2 for more details (a copy is included in the LICENSE file that
  13 * accompanied this code).
  14 *
  15 * You should have received a copy of the GNU General Public License version
  16 * 2 along with this work; if not, write to the Free Software Foundation,
  17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18 *
  19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20 * or visit www.oracle.com if you need additional information or have any
  21 * questions.
  22 */
  23 

  24 import com.sun.management.HotSpotDiagnosticMXBean;
  25 import com.sun.management.VMOption;
  26 
  27 import java.util.regex.Matcher;
  28 import java.util.regex.Pattern;
  29 import java.util.ArrayList;
  30 import java.util.Arrays;
  31 
  32 import com.oracle.java.testlibrary.*;
  33 import java.lang.management.ManagementFactory;
  34 import sun.hotspot.WhiteBox;
  35 
  36 class DetermineMaxHeapForCompressedOops {
  37   public static void main(String[] args) throws Exception {
  38     WhiteBox wb = WhiteBox.getWhiteBox();
  39     System.out.print(wb.getCompressedOopsMaxHeapSize());
  40   }
  41 }
  42 
  43 class TestUseCompressedOopsErgoTools {
  44 
  45   private static long getCompressedClassSpaceSize() {
  46     HotSpotDiagnosticMXBean diagnostic = 
  47         ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class);
  48 
  49     VMOption option = diagnostic.getVMOption("CompressedClassSpaceSize");
  50     return Long.parseLong(option.getValue());
  51   }
  52 
  53 
  54   public static long getMaxHeapForCompressedOops(String[] vmargs) throws Exception {
  55     OutputAnalyzer output = runWhiteBoxTest(vmargs, DetermineMaxHeapForCompressedOops.class.getName(), new String[] {}, false);
  56     return Long.parseLong(output.getStdout());
  57   }
  58 
  59   public static boolean is64bitVM() {
  60     String val = System.getProperty("sun.arch.data.model");
  61     if (val == null) {
  62       throw new RuntimeException("Could not read sun.arch.data.model");
  63     }
  64     if (val.equals("64")) {
  65       return true;
  66     } else if (val.equals("32")) {
  67       return false;