--- old/test/testlibrary/whitebox/sun/hotspot/cpuinfo/CPUInfo.java 2014-12-10 10:24:04.472006254 +0100 +++ /dev/null 2014-12-10 09:43:56.990156975 +0100 @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - * - */ - -package sun.hotspot.cpuinfo; - -import java.util.List; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collections; -import java.util.regex.Pattern; -import java.util.regex.Matcher; - -import sun.hotspot.WhiteBox; - -/** - * Information about CPU on test box. - * - * CPUInfo uses WhiteBox to gather information, - * so WhiteBox class should be added to bootclasspath - * and option -XX:+WhiteBoxAPI should expclicetly - * specified on command line. - */ -public class CPUInfo { - - private static final List features; - private static final String additionalCPUInfo; - - static { - WhiteBox wb = WhiteBox.getWhiteBox(); - - Pattern additionalCPUInfoRE = - Pattern.compile("([^(]*\\([^)]*\\)[^,]*),\\s*"); - - String cpuFeaturesString = wb.getCPUFeatures(); - Matcher matcher = additionalCPUInfoRE.matcher(cpuFeaturesString); - if (matcher.find()) { - additionalCPUInfo = matcher.group(1); - } else { - additionalCPUInfo = ""; - } - String splittedFeatures[] = matcher.replaceAll("").split("(, )| "); - - features = Collections.unmodifiableList(Arrays. - asList(splittedFeatures)); - } - - /** - * Get additional information about CPU. - * For example, on X86 in will be family/model/stepping - * and number of cores. - * - * @return additional CPU info - */ - public static String getAdditionalCPUInfo() { - return additionalCPUInfo; - } - - /** - * Get all known features supported by CPU. - * - * @return unmodifiable list with names of all known features - * supported by CPU. - */ - public static List getFeatures() { - return features; - } - - /** - * Check if some feature is supported by CPU. - * - * @param feature Name of feature to be tested. - * @return true if tested feature is supported by CPU. - */ - public static boolean hasFeature(String feature) { - return features.contains(feature.toLowerCase()); - } -}