/*
* aitools utilities
* Copyright (C) 2006 Noel Bush
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//package org.aitools.util.runtime;
/**
* Contains utilities for getting/setting system information.
*
* @author Noel Bush
*/
public class Util{
private static double BYTES_PER_MB = 1024.0 * 1024.0;
/**
* Returns a report of used and available memory.
*
* @return a report of used and available memory
*/
@SuppressWarnings("boxing")
public static String memoryReport()
{
Runtime runtime = Runtime.getRuntime();
long freemem = runtime.freeMemory();
long totalmem = runtime.totalMemory();
return String.format(
"%.1f MB of memory free out of %.1f MB total in JVM (%.1f MB used). Configured maximum: %.1f MB.",
freemem / BYTES_PER_MB, totalmem / BYTES_PER_MB, (totalmem - freemem) / BYTES_PER_MB, runtime
.maxMemory()
/ BYTES_PER_MB);
}
}