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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.hotspot.management;

import static java.lang.Thread.currentThread;

import java.lang.management.ManagementFactory;
import java.util.List;

import org.graalvm.compiler.serviceprovider.ServiceProvider;
import org.graalvm.compiler.serviceprovider.JMXService;

import com.sun.management.ThreadMXBean;

Implementation of JMXService for JDK 11 and later.
/** * Implementation of {@link JMXService} for JDK 11 and later. */
@ServiceProvider(JMXService.class) public class JMXServiceProvider extends JMXService { private final ThreadMXBean threadMXBean = (ThreadMXBean) ManagementFactory.getThreadMXBean(); @Override protected long getThreadAllocatedBytes(long id) { return threadMXBean.getThreadAllocatedBytes(id); } @Override protected long getCurrentThreadCpuTime() { long[] times = threadMXBean.getThreadCpuTime(new long[]{currentThread().getId()}); return times[0]; } @Override protected boolean isThreadAllocatedMemorySupported() { return threadMXBean.isThreadAllocatedMemorySupported(); } @Override protected boolean isCurrentThreadCpuTimeSupported() { return threadMXBean.isThreadCpuTimeSupported(); } @Override protected List<String> getInputArguments() { return ManagementFactory.getRuntimeMXBean().getInputArguments(); } }