org.sonar.runner.Stats Maven / Gradle / Ivy
/*
* SonarQube Runner - Distribution
* Copyright (C) 2011 SonarSource
* [email protected]
*
* This program 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 3 of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.runner;
class Stats {
private long startTime;
Stats() {
}
Stats start() {
startTime = System.currentTimeMillis();
return this;
}
Stats stop() {
long stopTime = System.currentTimeMillis() - startTime;
System.out.println("Total time: " + formatTime(stopTime));
System.gc();
Runtime r = Runtime.getRuntime();
long mb = 1024L * 1024;
System.out.println("Final Memory: " + (r.totalMemory() - r.freeMemory()) / mb + "M/" + r.totalMemory() / mb + "M");
return this;
}
static String formatTime(long time) {
long h = time / (60 * 60 * 1000);
long m = (time - h * 60 * 60 * 1000) / (60 * 1000);
long s = (time - h * 60 * 60 * 1000 - m * 60 * 1000) / 1000;
long ms = time % 1000;
final String format;
if (h > 0) {
format = "%1$d:%2$02d:%3$02d.%4$03ds";
} else if (m > 0) {
format = "%2$d:%3$02d.%4$03ds";
} else {
format = "%3$d.%4$03ds";
}
return String.format(format, h, m, s, ms);
}
}