66 lines
2.6 KiB
Java
66 lines
2.6 KiB
Java
/*
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* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8061616
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* @summary Basic Test for HotSpotDiagnosticMXBean.getVMOption() and double values
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* @author Jaroslav Bachorik
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*
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* @run main/othervm -XX:CompileThresholdScaling=0.14 GetDoubleVMOption
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*/
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import com.sun.management.HotSpotDiagnosticMXBean;
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import com.sun.management.VMOption;
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import java.lang.management.ManagementFactory;
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import java.util.List;
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import javax.management.MBeanServer;
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public class GetDoubleVMOption {
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private static final String COMPILE_THRESHOLD_SCALING = "CompileThresholdScaling";
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private static final String EXPECTED_VALUE = "0.14";
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private static final String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME =
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"com.sun.management:type=HotSpotDiagnostic";
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public static void main(String[] args) throws Exception {
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List<HotSpotDiagnosticMXBean> list =
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ManagementFactory.getPlatformMXBeans(HotSpotDiagnosticMXBean.class);
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HotSpotDiagnosticMXBean mbean = list.get(0);
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checkVMOption(mbean);
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MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
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mbean = ManagementFactory.newPlatformMXBeanProxy(mbs,
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HOTSPOT_DIAGNOSTIC_MXBEAN_NAME,
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HotSpotDiagnosticMXBean.class);
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checkVMOption(mbean);
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}
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private static void checkVMOption(HotSpotDiagnosticMXBean mbean) {
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VMOption option = mbean.getVMOption(COMPILE_THRESHOLD_SCALING);
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if (!option.getValue().equalsIgnoreCase(EXPECTED_VALUE)) {
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throw new RuntimeException("Unexpected value: " +
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option.getValue() + " expected: " + EXPECTED_VALUE);
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}
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}
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}
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