/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2015, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.issue.lbcore243;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.joran.JoranConfigurator;
import ch.qos.logback.core.joran.spi.JoranException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
// Results AMD Phenom II X6 1110T processor and SSD disk
//Logback with immediate flush: 8356 nanos per call
//Logback without immediate flush: 1758 nanos per call
public class PerformanceComparatorLogback {
static Logger logbacklogger = LoggerFactory.getLogger(PerformanceComparatorLogback.class);
public static void main(String[] args) throws JoranException, InterruptedException {
initLogbackWithoutImmediateFlush();
logbackParametrizedDebugCall();
initLogbackWithImmediateFlush();
logbackParametrizedDebugCall();
System.out.println("###############################################");
System.out.println("Logback with immediate flush: " + logbackParametrizedDebugCall() + " nanos per call");
initLogbackWithoutImmediateFlush();
System.out.println("Logback without immediate flush: " + logbackParametrizedDebugCall() + " nanos per call");
System.out.println("###############################################");
}
private static long logbackParametrizedDebugCall() {
Integer j = new Integer(2);
long start = System.nanoTime();
for (int i = 0; i < Common.loop; i++) {
logbacklogger.debug("SEE IF THIS IS LOGGED {}.", j);
}
return (System.nanoTime() - start) / Common.loop;
}
static String DIR_PREFIX = "src/test/java/ch/qos/logback/classic/issue/lbcore243/";
static void configure(String file) throws JoranException {
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
JoranConfigurator jc = new JoranConfigurator();
jc.setContext(loggerContext);
loggerContext.reset();
jc.doConfigure(file);
}
private static void initLogbackWithoutImmediateFlush() throws JoranException {
configure(DIR_PREFIX + "logback_without_immediateFlush.xml");
}
private static void initLogbackWithImmediateFlush() throws JoranException {
configure(DIR_PREFIX + "logback_with_immediateFlush.xml");
}
}