1 /*
2 * Logback: the reliable, generic, fast and flexible logging framework.
3 * Copyright (C) 1999-2024, QOS.ch. All rights reserved.
4 *
5 * This program and the accompanying materials are dual-licensed under
6 * either the terms of the Eclipse Public License v1.0 as published by
7 * the Eclipse Foundation
8 *
9 * or (per the licensee's choosing)
10 *
11 * under the terms of the GNU Lesser General Public License version 2.1
12 * as published by the Free Software Foundation.
13 */
14 package ch.qos.logback.classic.blackbox.issue.lbclassic135;
15
16 import ch.qos.logback.classic.Logger;
17 import ch.qos.logback.classic.LoggerContext;
18 import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
19 import ch.qos.logback.classic.spi.ILoggingEvent;
20 import ch.qos.logback.core.FileAppender;
21 import ch.qos.logback.core.testUtil.RunnableWithCounterAndDone;
22 //import ch.qos.logback.core.contention.ThreadedThroughputCalculator;
23
24 /**
25 * Short sample code testing the throughput of a fair lock.
26 *
27 * @author Ceki Gulcu
28 */
29 public class LoggingToFileThroughput {
30
31 static int THREAD_COUNT = 1;
32 static long OVERALL_DURATION_IN_MILLIS = 5000;
33
34 public static void main(String args[]) throws InterruptedException {
35
36 // ThreadedThroughputCalculator tp = new ThreadedThroughputCalculator(OVERALL_DURATION_IN_MILLIS);
37 // tp.printEnvironmentInfo("lbclassic135 LoggingToFileThrouhput");
38 //
39 // LoggerContext lc = new LoggerContext();
40 // Logger logger = buildLoggerContext(lc);
41 //
42 // for (int i = 0; i < 2; i++) {
43 // tp.execute(buildArray(logger));
44 // }
45 //
46 // RunnableWithCounterAndDone[] runnnableArray = buildArray(logger);
47 // tp.execute(runnnableArray);
48 // tp.printThroughput(runnnableArray, "File: ");
49 // lc.stop();
50 }
51
52 static Logger buildLoggerContext(LoggerContext lc) {
53 Logger root = lc.getLogger(Logger.ROOT_LOGGER_NAME);
54
55 PatternLayoutEncoder patternLayout = new PatternLayoutEncoder();
56 patternLayout.setContext(lc);
57 patternLayout.setPattern("%d %l [%t] - %msg%n");
58 patternLayout.start();
59 FileAppender<ILoggingEvent> fileAppender = new FileAppender<ILoggingEvent>();
60 fileAppender.setContext(lc);
61 fileAppender.setFile("target/lbclassic135.log");
62 fileAppender.setEncoder(patternLayout);
63 fileAppender.setAppend(false);
64 fileAppender.start();
65 root.addAppender(fileAppender);
66 return lc.getLogger(LoggingToFileThroughput.class);
67 }
68
69 static LoggingRunnable[] buildArray(Logger logger) {
70
71 LoggingRunnable[] array = new LoggingRunnable[THREAD_COUNT];
72 for (int i = 0; i < THREAD_COUNT; i++) {
73 array[i] = new LoggingRunnable(logger);
74 }
75 return array;
76 }
77 }
78
79 // === lbclassic135 LoggingToFileThrouhput ===
80 // ******** 10 Threads *****
81 // synchronized doAppend() method
82 //
83 // java.runtime.version = 1.6.0_05-b13
84 // java.vendor = Sun Microsystems Inc.
85 // os.name = Windows XP
86 //
87 // Threads 1: total of 485077 operations, or 97 operations per millisecond
88 // Threads 10: total of 309402 operations, or 61 operations per millisecond
89
90 // * After revision 2310
91 // * Threads 1: total of 462465 operations, or 92 operations per millisecond
92 // * Threads 10: total of 243362 operations, or 48 operations per millisecond
93
94 // ==================== Linux ========================
95
96 // java.runtime.version = 1.6.0_11-b03
97 // java.vendor = Sun Microsystems Inc.
98 // os.name = Linux
99 // os.version = 2.6.25-gentoo-r6
100 // Threads 1: total of 356355 operations, or 71 operations per millisecond
101 // Threads 10: total of 287943 operations, or 57 operations per millisecond
102
103 // * After revision 2310
104 // * Threads 1: total of 331494 operations, or 66 operations per millisecond
105 // * Threads 10: total of 311104 operations, or 58 operations per millisecond
106
107 // java.runtime.version = jvmxa6460-20081105_25433
108 // java.vendor = IBM Corporation
109 // java.version = 1.6.0
110 // os.name = Linux
111 // os.version = 2.6.25-gentoo-r6
112 // Threads 1: total of 280381 operations, or 56 operations per millisecond
113 // Threads 10 total of 142989 operations, or 28 operations per millisecond
114
115 // * After revision 2310
116 // * Threads 1: total of 305638 operations, or 61 operations per millisecond
117 // * Threads 10: total of 147660 operations, or 29 operations per millisecond