jdk/test/hotspot/jtreg/runtime/interpreter/TraceBytecodes.java
Coleen Phillimore 4edf791aec 8295851: Do not use ttyLock in BytecodeTracer::trace
Reviewed-by: dholmes, matsaave
2025-06-27 16:11:41 +00:00

68 lines
2.5 KiB
Java

/*
* Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
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*/
/*
* @test
* @bug 8309811
* @requires vm.debug
* @summary Test the output of -XX:+TraceBytecodes, -XX:TraceBytecodesAt, and -XX:TraceBytecodesStopAt
* @run main/othervm -XX:+TraceBytecodes -XX:TraceBytecodesAt=1000000 -XX:TraceBytecodesStopAt=1001000 TraceBytecodes
*/
// CountBytecodes returns 1826384 bytecodes, so trace starting at a million to trace parallel threads.
// This is just a very simple sanity test. See the .jtr file for the output.
// Consider it OK if the VM doesn't crash. It should test a fair amount of the code in bytecodeTracer.cpp
public class TraceBytecodes extends Thread {
public void run() {
System.out.println("Hello TraceBytecodes");
}
private static TraceBytecodes[] threads = new TraceBytecodes[2];
private static boolean success = true;
private static boolean report_success() {
for (int i = 0; i < 2; i++) {
try {
threads[i].join();
} catch (InterruptedException e) {}
}
return success;
}
public static void main(String args[]) {
threads[0] = new TraceBytecodes();
threads[1] = new TraceBytecodes();
for (int i = 0; i < 2; i++) {
threads[i].setName("Loading Thread #" + (i + 1));
threads[i].start();
System.out.println("Thread " + (i + 1) + " was started...");
}
if (report_success()) {
System.out.println("PASSED");
} else {
throw new RuntimeException("FAILED");
}
}
}