/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* See LICENSE.txt included in this distribution for the specific
* language governing permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at LICENSE.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
*/
package org.opensolaris.opengrok.util;
import java.util.logging.Level;
import java.util.logging.Logger;
import static org.opensolaris.opengrok.util.StringUtils.getReadableTime;
public class Statistics {
private final long startTime;
public Statistics() {
startTime = System.currentTimeMillis();
}
public void report(Logger log, String msg) {
long stopTime = System.currentTimeMillis();
String time_str = StringUtils.getReadableTime(stopTime - startTime);
log.log(Level.INFO, msg + " (took {0})", time_str);
}
public void report(Logger log) {
long stopTime = System.currentTimeMillis() - startTime;
log.log(Level.INFO, "Total time: {0}", getReadableTime(stopTime));
System.gc();
Runtime r = Runtime.getRuntime();
long mb = 1024L * 1024;
log.log(Level.INFO, "Final Memory: {0}M/{1}M",
new Object[]{(r.totalMemory() - r.freeMemory()) /
mb, r.totalMemory() / mb});
}
}