Java Memory Usage getPercentMemoryUsage()

Description

get Percent Memory Usage

License

Apache License

Return

JVM freeMemory in Percent

Declaration

public static double getPercentMemoryUsage() 

Method Source Code

//package com.java2s;
/*  /* w ww.j  a va2 s  .c o m*/
 * Copyright 2008-2010 the original author or authors 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * @return JVM freeMemory in Percent
     */
    public static double getPercentMemoryUsage() {
        return ((double) getMemoryUsage() / (double) getMaxMemory() * 100);
    }

    /**
     * @return JVM freeMemory in Mo
     */
    public static long getMemoryUsage() {
        return getTotalMemory() - getFreeMemory();
    }

    /**
     * @return JVM maxMemory in Mo
     */
    public static long getMaxMemory() {
        return (Runtime.getRuntime().maxMemory() / 1024);
    }

    /**
     * @return JVM totalMemory in Mo
     */
    public static long getTotalMemory() {
        return (Runtime.getRuntime().totalMemory() / 1024);
    }

    /**
     * @return JVM freeMemory in Mo
     */
    public static long getFreeMemory() {
        return (Runtime.getRuntime().freeMemory() / 1024);
    }
}

Related

1. getMemoryUsage()
2. getMemoryUsageSimpleHr()
3. getMemoryUsageUnix()
4. getMemoryUtiliztaion()
5. getMemUsage()
6. getStringMemoryUsage(String s)
7. getUsageMemory()
8. memoryUsage()
9. memoryUsage()