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From c7ad6b92f423eecb0f6fe85ba422dde18af77fb7 Mon Sep 17 00:00:00 2001
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From: Jakub Filak <jfilak@redhat.com>
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Date: Wed, 13 Nov 2013 14:49:53 +0100
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Subject: [PATCH 13/39] Make ThreadStressTest configurable
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Related to rhbz#1055581
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---
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 test/ThreadStressTest.java | 35 ++++++++++++++++++++++++++++++-----
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 1 file changed, 30 insertions(+), 5 deletions(-)
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diff --git a/test/ThreadStressTest.java b/test/ThreadStressTest.java
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index 981ba91..508190d 100644
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--- a/test/ThreadStressTest.java
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+++ b/test/ThreadStressTest.java
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@@ -1,5 +1,6 @@
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 import java.io.*;
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 import java.util.*;
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+import java.util.regex.*;
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 import java.net.*;
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@@ -7,7 +8,7 @@ import java.net.*;
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  * @author Jakub Filak <jfilak@redhat.com>
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  */
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-class ThreadCaughtException extends Thread {
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+class StressThreadCaughtException extends Thread {
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     private void level_three() {
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         SimpleTest.throwAndCatchAllExceptions();
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     }
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@@ -42,14 +43,38 @@ public class ThreadStressTest {
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      * Entry point to this multi thread test.
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      */
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     public static void main(String args[]) {
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+        int repeats = 60;
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+        int threads = 600;
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+
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+        for (String arg : args) {
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+            Scanner s = new Scanner(arg);
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+            s.findInLine("^([^=]+)=(\\d+)$");
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+            MatchResult r = s.match();
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+            if (r.groupCount() != 2) {
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+                System.err.println("Invalid argument format [reps|threads=number]: '" + arg + "'");
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+                System.exit(1);
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+            }
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+            switch (r.group(1)) {
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+                case "reps":
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+                    repeats = Integer.parseInt(r.group(2));
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+                    break;
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+                case "threads":
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+                    threads = Integer.parseInt(r.group(2));
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+                    break;
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+                default:
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+                    System.err.println("Unknown argument '" + r.group(1) + "'");
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+                    System.exit(1);
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+                    break;
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+            }
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+        }
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+
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         System.out.println("Test.java");
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         List<Thread> tojoin = new LinkedList<Thread>();
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-
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-        for (int i = 60; i != 0; --i) {
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-            for (int j = 600; j != 0; --j) {
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+        for (int i = repeats; i != 0; --i) {
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+            for (int j = threads; j != 0; --j) {
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                 try {
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-                    Thread t = new ThreadCaughtException();
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+                    Thread t = new StressThreadCaughtException();
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                     tojoin.add(t);
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                     System.out.println("Starting Thread: " + Integer.toString((i * j) + j));
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                     t.start();
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-- 
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1.8.3.1
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