diff options
Diffstat (limited to 'java/systests/src/main/java/org/apache/qpid/test/utils/TestUtils.java')
-rw-r--r-- | java/systests/src/main/java/org/apache/qpid/test/utils/TestUtils.java | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/java/systests/src/main/java/org/apache/qpid/test/utils/TestUtils.java b/java/systests/src/main/java/org/apache/qpid/test/utils/TestUtils.java new file mode 100644 index 0000000000..c651d3ec7f --- /dev/null +++ b/java/systests/src/main/java/org/apache/qpid/test/utils/TestUtils.java @@ -0,0 +1,54 @@ +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + */ +package org.apache.qpid.test.utils; + +import java.lang.management.ManagementFactory; +import java.lang.management.ThreadInfo; +import java.lang.management.ThreadMXBean; + +public class TestUtils +{ + public static String dumpThreads() + { + ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); + ThreadInfo[] threadInfos = threadMXBean.dumpAllThreads(true, true); + StringBuilder dump = new StringBuilder(); + dump.append(String.format("%n")); + for (ThreadInfo threadInfo : threadInfos) + { + dump.append(threadInfo); + } + + long[] deadLocks = threadMXBean.findDeadlockedThreads(); + if (deadLocks != null && deadLocks.length > 0) + { + ThreadInfo[] deadlockedThreads = threadMXBean.getThreadInfo(deadLocks); + dump.append(String.format("%n")); + dump.append("Deadlock is detected!"); + dump.append(String.format("%n")); + for (ThreadInfo threadInfo : deadlockedThreads) + { + dump.append(threadInfo); + } + } + return dump.toString(); + } +} |