Showing the changes to java/pkg/sun/management/HotspotThreadMBean.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 2003, 2004, 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.management; | ||
| 27 | |||
| 28 | import sun.management.counter.Counter; | ||
| 29 | |||
| 30 | /** | ||
| 31 | * Hotspot internal management interface for the thread system. | ||
| 32 | */ | ||
| 33 | public interface HotspotThreadMBean { | ||
| 34 | |||
| 35 | /** | ||
| 36 | * Returns the current number of VM internal threads. | ||
| 37 | * | ||
| 38 | * @return the current number of VM internal threads. | ||
| 39 | */ | ||
| 40 | public int getInternalThreadCount(); | ||
| 41 | |||
| 42 | /** | ||
| 43 | * Returns a <tt>Map</tt> of the name of all VM internal threads | ||
| 44 | * to the thread CPU time in nanoseconds. The returned value is | ||
| 45 | * of nanoseconds precision but not necessarily nanoseconds accuracy. | ||
| 46 | * <p> | ||
| 47 | * | ||
| 48 | * @return a <tt>Map</tt> object of the name of all VM internal threads | ||
| 49 | * to the thread CPU time in nanoseconds. | ||
| 50 | * | ||
| 51 | * @throws java.lang.UnsupportedOperationException if the Java virtual | ||
| 52 | * machine does not support CPU time measurement. | ||
| 53 | * | ||
| 54 | * @see java.lang.management.ThreadMBean#isThreadCpuTimeSupported | ||
| 55 | */ | ||
| 56 | public java.util.Map<String,Long> getInternalThreadCpuTimes(); | ||
| 57 | |||
| 58 | /** | ||
| 59 | * Returns a list of internal counters maintained in the Java | ||
| 60 | * virtual machine for the thread system. | ||
| 61 | * | ||
| 62 | * @return a list of internal counters maintained in the VM | ||
| 63 | * for the thread system. | ||
| 64 | */ | ||
| 65 | public java.util.List<Counter> getInternalThreadingCounters(); | ||
| 66 | } | ||