| /* |
| * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.management; |
| |
| import sun.management.counter.Counter; |
| |
| /** |
| * Hotspot internal management interface for the thread system. |
| */ |
| public interface HotspotThreadMBean { |
| |
| /** |
| * Returns the current number of VM internal threads. |
| * |
| * @return the current number of VM internal threads. |
| */ |
| public int getInternalThreadCount(); |
| |
| /** |
| * Returns a <tt>Map</tt> of the name of all VM internal threads |
| * to the thread CPU time in nanoseconds. The returned value is |
| * of nanoseconds precision but not necessarily nanoseconds accuracy. |
| * <p> |
| * |
| * @return a <tt>Map</tt> object of the name of all VM internal threads |
| * to the thread CPU time in nanoseconds. |
| * |
| * @throws java.lang.UnsupportedOperationException if the Java virtual |
| * machine does not support CPU time measurement. |
| * |
| * @see java.lang.management.ThreadMBean#isThreadCpuTimeSupported |
| */ |
| public java.util.Map<String,Long> getInternalThreadCpuTimes(); |
| |
| /** |
| * Returns a list of internal counters maintained in the Java |
| * virtual machine for the thread system. |
| * |
| * @return a list of internal counters maintained in the VM |
| * for the thread system. |
| */ |
| public java.util.List<Counter> getInternalThreadingCounters(); |
| } |