1 /*
   2  * Copyright (c) 2014, 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 /**
  25  * @test TestUseNUMAInterleaving
  26  * @summary Tests that UseNUMAInterleaving enabled for all collectors by
  27  * ergonomics, on all platforms when UseNUMA feature is enabled.
  28  * @bug 8059614
  29  * @key gc
  30  * @library /testlibrary
  31  * @build com.oracle.java.testlibrary.*
  32  * @run driver TestUseNUMAInterleaving
  33  */
  34 import com.oracle.java.testlibrary.ProcessTools;
  35 import com.oracle.java.testlibrary.OutputAnalyzer;
  36 
  37 public class TestUseNUMAInterleaving {
  38 
  39     public static void main(String[] args) throws Exception {
  40         String[] vmargs = new String[]{
  41             "-XX:+UseNUMA",
  42             "-XX:+PrintFlagsFinal",
  43             "-version"
  44         };
  45         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, vmargs);
  46         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  47 
  48         boolean isNUMAEnabled
  49                 = Boolean.parseBoolean(output.firstMatch(NUMA_FLAG_PATTERN, 1));
  50 
  51         if (isNUMAEnabled) {
  52             output.shouldMatch("\\bUseNUMAInterleaving\\b.*?=.*?true");
  53             System.out.println(output.getStdout());
  54         } else {
  55             System.out.println(output.firstMatch(NUMA_FLAG_PATTERN));
  56             System.out.println(output.firstMatch(NUMA_FLAG_PATTERN, 1));
  57         }
  58     }
  59 
  60     private static final String NUMA_FLAG_PATTERN = "\\bUseNUMA\\b.*?=.*?([a-z]+)";
  61 }