/* * (C) 2007-2012 Alibaba Group Holding Limited. * * 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. * Authors: * wuhua <wq163@163.com> , boyan <killme2008@gmail.com> */ package com.taobao.metamorphosis.tools.utils; import java.util.Date; import javax.management.ObjectName; import javax.management.openmbean.CompositeData; /** * * @author �޻� * @since 2011-9-28 ����5:02:13 */ public class JvmMemoryUtil { public static MonitorResult getMemoryInfo(String ip, int port) throws Exception { JMXClient jmxClient = JMXClient.getJMXClient(ip, port); ObjectName objectName = new ObjectName("java.lang:type=Memory"); CompositeData memoryInfo = (CompositeData) jmxClient.getAttribute(objectName, "HeapMemoryUsage"); jmxClient.close(); double max = Double.valueOf(memoryInfo.get("max").toString()); double used = Double.valueOf(memoryInfo.get("used").toString()); double usedPercent = (used / max) * 100; MonitorResult oneResult = new MonitorResult(); oneResult.setDescribe(""); oneResult.setKey(ConsoleConstant.MEM); oneResult.setIp(ip); oneResult.setTime(new Date()); oneResult.setValue(usedPercent); return oneResult; } }