Author: ceki Date: Fri Jun 26 23:03:48 2009 New Revision: 2305 Added: logback/trunk/logback-classic/src/test/java/ch/qos/logback/classic/issue/lbclassic135/LoggingRunnable.java logback/trunk/logback-classic/src/test/java/ch/qos/logback/classic/issue/lbclassic135/LoggingToFileThrouhput.java Log: test throughput of FileAppender before the syncronized block is made smaller Added: logback/trunk/logback-classic/src/test/java/ch/qos/logback/classic/issue/lbclassic135/LoggingRunnable.java ============================================================================== --- (empty file) +++ logback/trunk/logback-classic/src/test/java/ch/qos/logback/classic/issue/lbclassic135/LoggingRunnable.java Fri Jun 26 23:03:48 2009 @@ -0,0 +1,21 @@ +package ch.qos.logback.classic.issue.lbclassic135; + +import ch.qos.logback.classic.Logger; +import ch.qos.logback.core.contention.RunnableWithCounterAndDone; + +public class LoggingRunnable extends RunnableWithCounterAndDone { + + Logger logger; + + LoggingRunnable(Logger logger) { + this.logger = logger; + } + + public void run() { + while(!isDone()) { + logger.info("hello world ABCDEFGHI"); + counter++; + } + } + +} Added: logback/trunk/logback-classic/src/test/java/ch/qos/logback/classic/issue/lbclassic135/LoggingToFileThrouhput.java ============================================================================== --- (empty file) +++ logback/trunk/logback-classic/src/test/java/ch/qos/logback/classic/issue/lbclassic135/LoggingToFileThrouhput.java Fri Jun 26 23:03:48 2009 @@ -0,0 +1,71 @@ +package ch.qos.logback.classic.issue.lbclassic135; + +import ch.qos.logback.classic.Logger; +import ch.qos.logback.classic.LoggerContext; +import ch.qos.logback.classic.PatternLayout; +import ch.qos.logback.classic.spi.ILoggingEvent; +import ch.qos.logback.core.FileAppender; +import ch.qos.logback.core.contention.ThreadedThroughputCalculator; + +/** + * Short sample code testing the throughput of a fair lock. + * + * @author Ceki Gulcu + */ +public class LoggingToFileThrouhput { + + static int THREAD_COUNT = 10; + static long OVERALL_DURATION_IN_MILLIS = 5000; + + public static void main(String args[]) throws InterruptedException { + + ThreadedThroughputCalculator tp = new ThreadedThroughputCalculator( + OVERALL_DURATION_IN_MILLIS); + tp.printEnvironmentInfo("lbclassic135 LoggingToFileThrouhput"); + + LoggerContext lc = new LoggerContext(); + Logger logger = buildLoggerContext(lc); + + for (int i = 0; i < 2; i++) { + tp.execute(buildArray(logger)); + } + + tp.execute(buildArray(logger)); + tp.printThroughput("File: "); + lc.stop(); + } + + static Logger buildLoggerContext(LoggerContext lc) { + Logger root = lc.getLogger(LoggerContext.ROOT_NAME); + + PatternLayout patternLayout = new PatternLayout(); + patternLayout.setContext(lc); + patternLayout.setPattern("%d %l [%t] - %msg%n"); + patternLayout.start(); + FileAppender<ILoggingEvent> fileAppender = new FileAppender<ILoggingEvent>(); + fileAppender.setContext(lc); + fileAppender.setFile("target/lbclassic135.log"); + fileAppender.setLayout(patternLayout); + fileAppender.setAppend(false); + fileAppender.start(); + root.addAppender(fileAppender); + return lc.getLogger(LoggingToFileThrouhput.class); + } + + static LoggingRunnable[] buildArray(Logger logger) { + + LoggingRunnable[] array = new LoggingRunnable[THREAD_COUNT]; + for (int i = 0; i < THREAD_COUNT; i++) { + array[i] = new LoggingRunnable(logger); + } + return array; + } +} + +//=== lbclassic135 LoggingToFileThrouhput === 10 Threads +//java.runtime.version = 1.6.0_05-b13 +//java.vendor = Sun Microsystems Inc. +//java.version = 1.6.0_05 +//os.name = Windows XP +// +// File: total of 309402 operations, or 61 operations per millisecond