001 /*--------------------------------------------------------------------------+ 002 $Id: DiagnosticUtils.java 26283 2010-02-18 11:18:57Z juergens $ 003 | | 004 | Copyright 2005-2010 Technische Universitaet Muenchen | 005 | | 006 | Licensed under the Apache License, Version 2.0 (the "License"); | 007 | you may not use this file except in compliance with the License. | 008 | You may obtain a copy of the License at | 009 | | 010 | http://www.apache.org/licenses/LICENSE-2.0 | 011 | | 012 | Unless required by applicable law or agreed to in writing, software | 013 | distributed under the License is distributed on an "AS IS" BASIS, | 014 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 015 | See the License for the specific language governing permissions and | 016 | limitations under the License. | 017 +--------------------------------------------------------------------------*/ 018 package edu.tum.cs.commons.system; 019 020 import edu.tum.cs.commons.string.StringUtils; 021 022 /** 023 * A utility class for system diagnostics. 024 * 025 * @author Florian Deissenboeck 026 * @author $Author: juergens $ 027 * 028 * @version $Revision: 26283 $ 029 * @levd.rating GREEN Hash: 7D75860EF70E7B12D82C2A547F8D8FDB 030 */ 031 public class DiagnosticUtils { 032 /** 033 * Returns a string describing the current memory status (max, free and used 034 * memory). 035 */ 036 public static String getMemoryStatusDescription() { 037 StringBuilder status = new StringBuilder(); 038 Runtime runtime = Runtime.getRuntime(); 039 status.append("Memory status [kB]: "); 040 status.append(" Max: " 041 + StringUtils.format(runtime.maxMemory() / 1024)); 042 status.append(" Used: " 043 + StringUtils.format(runtime.totalMemory() / 1024)); 044 status.append(" Free: " 045 + StringUtils.format((runtime.maxMemory() - runtime 046 .totalMemory()) / 1024)); 047 return status.toString(); 048 } 049 }