1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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   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).
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  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
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  23 
  24 /* @test TestAllocateOldGenAtMultiple.java
  25  * @key gc
  26  * @summary Test to check allocation of Java Heap with AllocateOldGenAt option. Has multiple sub-tests to cover different code paths.
  27  * @library /test/lib
  28  * @modules java.base/jdk.internal.misc
  29  * @requires vm.bits == "64"
  30  * @run main TestAllocateOldGenAtMultiple -XX:+UseG1GC
  31  */
  32 
  33 import jdk.test.lib.JDKToolFinder;
  34 import jdk.test.lib.process.ProcessTools;
  35 import jdk.test.lib.process.OutputAnalyzer;
  36 import java.util.ArrayList;
  37 import java.util.Collections;
  38 
  39 public class TestAllocateOldGenAtMultiple {
  40   public static void main(String args[]) throws Exception {
  41     ArrayList<String> vmOpts = new ArrayList();
  42     String[] testVmOpts = null;
  43 
  44     String test_dir = System.getProperty("test.dir", ".");
  45 
  46     String testVmOptsStr = System.getProperty("test.java.opts");
  47     if (!testVmOptsStr.isEmpty()) {
  48       testVmOpts = testVmOptsStr.split(" ");
  49     }
  50 
  51     // Extra options for each of the sub-tests
  52     String[] extraOptsList = new String[] {
  53       "-Xmx32m -Xms32m -XX:+UseCompressedOops",     // 1. With compressedoops enabled.
  54       "-Xmx32m -Xms32m -XX:-UseCompressedOops",     // 2. With compressedoops disabled.
  55       "-Xmx32m -Xms32m -XX:HeapBaseMinAddress=3g",  // 3. With user specified HeapBaseMinAddress.
  56       "-Xmx4g -Xms4g",                              // 4. With larger heap size (UnscaledNarrowOop not possible).
  57       "-Xmx4g -Xms4g -XX:+UseLargePages",           // 5. Set UseLargePages.
  58       "-Xmx4g -Xms4g -XX:+UseNUMA"                  // 6. Set UseNUMA.
  59     };
  60 
  61     for(String extraOpts : extraOptsList) {
  62       vmOpts.clear();
  63       if(testVmOpts != null) {
  64         Collections.addAll(vmOpts, testVmOpts);
  65       }
  66       // Add extra options specific to the sub-test.
  67       String[] extraOptsArray = extraOpts.split(" ");
  68       if(extraOptsArray != null) {
  69         Collections.addAll(vmOpts, extraOptsArray);
  70       }
  71       // Add common options
  72       Collections.addAll(vmOpts, new String[] {"-XX:+UnlockExperimentalVMOptions",
  73                                                "-XX:AllocateOldGenAt=" + test_dir,
  74                                                "-version"});
  75 
  76       System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
  77       for (int i = 0; i < vmOpts.size(); i += 1) {
  78         System.out.print(" " + vmOpts.get(i));
  79       }
  80       System.out.println();
  81 
  82       ProcessBuilder pb =
  83         ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
  84       OutputAnalyzer output = new OutputAnalyzer(pb.start());
  85 
  86       System.out.println("Output:\n" + output.getOutput());
  87 
  88       output.shouldHaveExitValue(0);
  89     }
  90   }
  91 }