diff -r 376fd031edd2 -r aca452591e50 jdk/src/java.management/share/classes/com/sun/management/OperatingSystemMXBean.java --- a/jdk/src/java.management/share/classes/com/sun/management/OperatingSystemMXBean.java Thu May 07 10:19:34 2015 -0700 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,131 +0,0 @@ -/* - * Copyright (c) 2003, 2013, 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 com.sun.management; - -/** - * Platform-specific management interface for the operating system - * on which the Java virtual machine is running. - * - *

- * The OperatingSystemMXBean object returned by - * {@link java.lang.management.ManagementFactory#getOperatingSystemMXBean()} - * is an instance of the implementation class of this interface - * or {@link UnixOperatingSystemMXBean} interface depending on - * its underlying operating system. - * - * @author Mandy Chung - * @since 1.5 - */ -@jdk.Exported -public interface OperatingSystemMXBean extends - java.lang.management.OperatingSystemMXBean { - - /** - * Returns the amount of virtual memory that is guaranteed to - * be available to the running process in bytes, - * or -1 if this operation is not supported. - * - * @return the amount of virtual memory that is guaranteed to - * be available to the running process in bytes, - * or -1 if this operation is not supported. - */ - public long getCommittedVirtualMemorySize(); - - /** - * Returns the total amount of swap space in bytes. - * - * @return the total amount of swap space in bytes. - */ - public long getTotalSwapSpaceSize(); - - /** - * Returns the amount of free swap space in bytes. - * - * @return the amount of free swap space in bytes. - */ - public long getFreeSwapSpaceSize(); - - /** - * Returns the CPU time used by the process on which the Java - * virtual machine is running in nanoseconds. The returned value - * is of nanoseconds precision but not necessarily nanoseconds - * accuracy. This method returns -1 if the - * the platform does not support this operation. - * - * @return the CPU time used by the process in nanoseconds, - * or -1 if this operation is not supported. - */ - public long getProcessCpuTime(); - - /** - * Returns the amount of free physical memory in bytes. - * - * @return the amount of free physical memory in bytes. - */ - public long getFreePhysicalMemorySize(); - - /** - * Returns the total amount of physical memory in bytes. - * - * @return the total amount of physical memory in bytes. - */ - public long getTotalPhysicalMemorySize(); - - /** - * Returns the "recent cpu usage" for the whole system. This value is a - * double in the [0.0,1.0] interval. A value of 0.0 means that all CPUs - * were idle during the recent period of time observed, while a value - * of 1.0 means that all CPUs were actively running 100% of the time - * during the recent period being observed. All values betweens 0.0 and - * 1.0 are possible depending of the activities going on in the system. - * If the system recent cpu usage is not available, the method returns a - * negative value. - * - * @return the "recent cpu usage" for the whole system; a negative - * value if not available. - * @since 1.7 - */ - public double getSystemCpuLoad(); - - /** - * Returns the "recent cpu usage" for the Java Virtual Machine process. - * This value is a double in the [0.0,1.0] interval. A value of 0.0 means - * that none of the CPUs were running threads from the JVM process during - * the recent period of time observed, while a value of 1.0 means that all - * CPUs were actively running threads from the JVM 100% of the time - * during the recent period being observed. Threads from the JVM include - * the application threads as well as the JVM internal threads. All values - * betweens 0.0 and 1.0 are possible depending of the activities going on - * in the JVM process and the whole system. If the Java Virtual Machine - * recent CPU usage is not available, the method returns a negative value. - * - * @return the "recent cpu usage" for the Java Virtual Machine process; - * a negative value if not available. - * @since 1.7 - */ - public double getProcessCpuLoad(); - -}