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