/* * Copyright (c) 2014, 2021, 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.
*/
/** * 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 be explicitly * specified on command line.
*/ publicclass CPUInfo {
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
*/ publicstatic String getAdditionalCPUInfo() { return additionalCPUInfo;
}
/** * Get all known features supported by CPU. * * @return unmodifiable list with names of all known features * supported by CPU.
*/ publicstatic List<String> getFeatures() { return features;
}
/** * Check if some feature is supported by CPU. * * @param feature Name of feature to be tested. * @return <b>true</b> if tested feature is supported by CPU.
*/ publicstaticboolean hasFeature(String feature) { return features.contains(feature.toLowerCase());
}
}
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