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Merge pull request #21071 from tajila/jfr
Prevent doube stop of JFR recording
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77 changes: 77 additions & 0 deletions
77
test/functional/cmdLineTests/jfr/src/org/openj9/test/VMAPITest2.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| /* | ||
| * Copyright IBM Corp. and others 2024 | ||
| * | ||
| * This program and the accompanying materials are made available under | ||
| * the terms of the Eclipse Public License 2.0 which accompanies this | ||
| * distribution and is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| * or the Apache License, Version 2.0 which accompanies this distribution and | ||
| * is available at https://www.apache.org/licenses/LICENSE-2.0. | ||
| * | ||
| * This Source Code may also be made available under the following | ||
| * Secondary Licenses when the conditions for such availability set | ||
| * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU | ||
| * General Public License, version 2 with the GNU Classpath | ||
| * Exception [1] and GNU General Public License, version 2 with the | ||
| * OpenJDK Assembly Exception [2]. | ||
| * | ||
| * [1] https://www.gnu.org/software/classpath/license.html | ||
| * [2] https://openjdk.org/legal/assembly-exception.html | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0 | ||
| */ | ||
| package org.openj9.test; | ||
|
|
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| import com.ibm.oti.vm.VM; | ||
|
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| public class VMAPITest2 { | ||
| public static void main(String[] args) throws Throwable { | ||
| final WorkLoad workLoad = new WorkLoad(200, 20000, 200); | ||
|
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| Thread app = new Thread(() -> { | ||
| workLoad.runWork(); | ||
| }); | ||
| app.start(); | ||
|
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| try { | ||
| Thread.sleep(3000); | ||
| } catch(Throwable t) { | ||
| t.printStackTrace(); | ||
| } | ||
|
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| if (VM.isJFRRecordingStarted()) { | ||
| System.out.println("Failed should not be recording 1."); | ||
| System.exit(0); | ||
| } | ||
|
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| /* attempt a stop recording before it has started */ | ||
| VM.stopJFR(); | ||
|
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| if (VM.isJFRRecordingStarted()) { | ||
| System.out.println("Failed should not be recording 2."); | ||
| System.exit(0); | ||
| } | ||
|
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| VM.startJFR(); | ||
| if (!VM.isJFRRecordingStarted()) { | ||
| System.out.println("Failed should be recording 3."); | ||
| System.exit(0); | ||
| } | ||
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| /* attempt another start recording after one has already started */ | ||
| VM.startJFR(); | ||
| if (!VM.isJFRRecordingStarted()) { | ||
| System.out.println("Failed should be recording 4."); | ||
| System.exit(0); | ||
| } | ||
|
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| VM.stopJFR(); | ||
| if (VM.isJFRRecordingStarted()) { | ||
| System.out.println("Failed should not be recording 5."); | ||
| System.exit(0); | ||
| } | ||
|
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| /* attempt a stop recording before it has started */ | ||
| VM.stopJFR(); | ||
| } | ||
| } |