| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| package org.apache.karaf.diagnostic.core.providers; |
| |
| import java.io.OutputStreamWriter; |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.MemoryMXBean; |
| |
| import org.apache.karaf.diagnostic.core.common.TextDumpProvider; |
| |
| /** |
| * Provider which dump the memory information in the memory.txt file. |
| */ |
| public class MemoryDumpProvider extends TextDumpProvider { |
| |
| public MemoryDumpProvider() { |
| super("memory.txt"); |
| } |
| |
| @Override |
| protected void writeDump(OutputStreamWriter outputStream) throws Exception { |
| MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean(); |
| |
| outputStream.write("Number of objects waiting finalization: " + memoryMXBean.getObjectPendingFinalizationCount() + "\n\n"); |
| |
| outputStream.write("Heap:\n"); |
| outputStream.write("\tInit: " + memoryMXBean.getHeapMemoryUsage().getInit() + "\n"); |
| outputStream.write("\tUser: " + memoryMXBean.getHeapMemoryUsage().getUsed() + "\n"); |
| outputStream.write("\tCommitted: " + memoryMXBean.getHeapMemoryUsage().getCommitted() + "\n"); |
| outputStream.write("\tMax: " + memoryMXBean.getHeapMemoryUsage().getMax() + "\n"); |
| |
| outputStream.write("Non-Heap: \n"); |
| outputStream.write("\tInit: " + memoryMXBean.getNonHeapMemoryUsage().getInit() + "\n"); |
| outputStream.write("\tUser: " + memoryMXBean.getNonHeapMemoryUsage().getUsed() + "\n"); |
| outputStream.write("\tCommitted: " + memoryMXBean.getNonHeapMemoryUsage().getCommitted() + "\n"); |
| outputStream.write("\tMax: " + memoryMXBean.getNonHeapMemoryUsage().getMax() + "\n"); |
| |
| } |
| |
| } |