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 }