author | iignatyev |
Wed, 15 Mar 2017 22:48:59 -0700 | |
changeset 44423 | 306c020eb154 |
parent 30376 | 2ccf2cf7ea48 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2011, 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 7028071 |
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* @summary Basic unit test of OperatingSystemMXBean.getProcessCpuLoad() |
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* |
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* @run main GetSystemCpuLoad |
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*/ |
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import java.lang.management.*; |
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import com.sun.management.OperatingSystemMXBean; |
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public class GetSystemCpuLoad { |
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public static void main(String[] argv) throws Exception { |
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OperatingSystemMXBean mbean = (com.sun.management.OperatingSystemMXBean) |
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ManagementFactory.getOperatingSystemMXBean(); |
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double load; |
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for(int i=0; i<10; i++) { |
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load = mbean.getSystemCpuLoad(); |
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if((load<0.0 || load>1.0) && load != -1.0) { |
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throw new RuntimeException("getSystemCpuLoad() returns " + load |
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+ " which is not in the [0.0,1.0] interval"); |
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} |
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try { |
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Thread.sleep(200); |
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} catch(InterruptedException e) { |
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e.printStackTrace(); |
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} |
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} |
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} |
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} |