[logback-dev] svn commit: r2305 - logback/trunk/logback-classic/src/test/java/ch/qos/logback/classic/issue/lbclassic135

[noreply.ceki at qos.ch]

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