1 /* |
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2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 |
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25 package org.graalvm.compiler.hotspot.management; |
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26 |
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27 import static java.lang.Thread.currentThread; |
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28 |
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29 import java.lang.management.ManagementFactory; |
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30 import java.util.List; |
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31 |
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32 import org.graalvm.compiler.serviceprovider.ServiceProvider; |
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33 import org.graalvm.compiler.serviceprovider.JMXService; |
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34 |
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35 import com.sun.management.ThreadMXBean; |
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36 |
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37 /** |
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38 * Implementation of {@link JMXService} for JDK 13 and later. |
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39 */ |
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40 @ServiceProvider(JMXService.class) |
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41 public class JMXServiceProvider extends JMXService { |
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42 private final ThreadMXBean threadMXBean = (ThreadMXBean) ManagementFactory.getThreadMXBean(); |
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43 |
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44 @Override |
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45 protected long getThreadAllocatedBytes(long id) { |
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46 return threadMXBean.getThreadAllocatedBytes(id); |
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47 } |
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48 |
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49 @Override |
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50 protected long getCurrentThreadCpuTime() { |
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51 long[] times = threadMXBean.getThreadCpuTime(new long[]{currentThread().getId()}); |
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52 return times[0]; |
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53 } |
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54 |
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55 @Override |
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56 protected boolean isThreadAllocatedMemorySupported() { |
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57 return threadMXBean.isThreadAllocatedMemorySupported(); |
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58 } |
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59 |
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60 @Override |
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61 protected boolean isCurrentThreadCpuTimeSupported() { |
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62 return threadMXBean.isThreadCpuTimeSupported(); |
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63 } |
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64 |
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65 @Override |
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66 protected List<String> getInputArguments() { |
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67 return ManagementFactory.getRuntimeMXBean().getInputArguments(); |
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68 } |
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69 } |
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