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8249720: Generated bytecodes of EventWriter don't be output to the log

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Reviewed-by: egahlin
This commit is contained in:
Chihiro Ito 2020-07-20 22:43:28 +09:00
parent 907719baec
commit ba2caf0014
2 changed files with 45 additions and 0 deletions
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1
src/jdk.jfr/share/classes/jdk/jfr/internal/ASMToolkit.java
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@ -155,6 +155,7 @@ final class ASMToolkit {
PrintWriter w = new PrintWriter(baos);
w.println("Bytecode:");
cr.accept(new TraceClassVisitor(w), 0);
Logger.log(LogTag.JFR_SYSTEM_BYTECODE, LogLevel.TRACE, baos.toString());
};
}

44
test/jdk/jdk/jfr/jvm/TestEventWriterLog.java Normal file
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@ -0,0 +1,44 @@
/*
* Copyright (c) 2020, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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
* questions.
*/
/*
* @test TestEventWriterLog
* @summary Test that log message of JFR when handle bytecodes
* @key jfr
* @requires vm.hasJFR
* @library /test/lib /test/jdk
* @run main/othervm TestEventWriterLog
*/
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
public class TestEventWriterLog {
public static void main(String[] args) throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:jfr+system+bytecode=trace", "-XX:StartFlightRecording", "-version");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("extends jdk/jfr/internal/handlers/EventHandler");
}
}