/*
* Copyright (c) 2003, 2005, 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
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*/
package sun.management;
import sun.management.counter.Counter;
/**
* Hotspot internal management interface for the runtime system.
*
* This management interface is internal and uncommitted
* and subject to change without notice.
*/
public interface HotspotRuntimeMBean {
/**
* Returns the number of safepoints taken place since the Java
* virtual machine started.
*
* @return the number of safepoints taken place since the Java
* virtual machine started.
*/
public long getSafepointCount();
/**
* Returns the accumulated time spent at safepoints in milliseconds.
* This is the accumulated elapsed time that the application has
* been stopped for safepoint operations.
*
* @return the accumulated time spent at safepoints in milliseconds.
*/
public long getTotalSafepointTime();
/**
* Returns the accumulated time spent getting to safepoints in milliseconds.
*
* @return the accumulated time spent getting to safepoints in milliseconds.
*/
public long getSafepointSyncTime();
/**
* Returns a list of internal counters maintained in the Java
* virtual machine for the runtime system.
*
* @return a <tt>List</tt> of internal counters maintained in the VM
* for the runtime system.
*/
public java.util.List<Counter> getInternalRuntimeCounters();
}