54 lines
2.2 KiB
Java
54 lines
2.2 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import jdk.jfr.Recording;
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import jdk.jfr.EventSettings;
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import jdk.jfr.ValueDescriptor;
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import jdk.jfr.consumer.RecordedEvent;
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import jdk.jfr.consumer.RecordingFile;
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// This class is intended to run inside a container
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public class JfrReporter {
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public static void main(String[] args) throws Exception {
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String eventName = args[0];
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try(Recording r = new Recording()) {
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EventSettings es = r.enable(eventName);
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for (int i = 1; i < args.length; i++) {
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String[] kv = args[i].split("=");
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es = es.with(kv[0], kv[1]);
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}
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r.start();
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r.stop();
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Path p = Paths.get("/", "tmp", eventName + ".jfr");
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r.dump(p);
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for (RecordedEvent e : RecordingFile.readAllEvents(p)) {
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System.out.println("===== EventType: " + e.getEventType().getName());
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for (ValueDescriptor v : e.getEventType().getFields()) {
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System.out.println(v.getName() + " = " + e.getValue(v.getName()));
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}
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}
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}
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}
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}
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