/* * Copyright (c) 2018, 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 * questions.
*/
/** * @test Tests that the event duration is zero after a chunk rotation * @key jfr * @requires vm.hasJFR * @library /test/lib * @modules jdk.jfr/jdk.jfr.internal * @run main/othervm jdk.jfr.jvm.TestEventDuration
*/ publicclass TestEventDuration {
staticclass InstantEvent extends Event { long id;
}
publicstaticvoid main(String... args) throws Exception { try (Recording r1 = new Recording()) {
r1.start(); long counter = 0; for (int i = 0; i < 10; i ++) { try (Recording r2 = new Recording()) {
r2.start();
InstantEvent e1 = new InstantEvent();
e1.id = counter++;
e1.commit();
InstantEvent e2 = new InstantEvent();
e2.id = counter++;
e2.commit();
}
}
Path p = Path.of("dump.jfr");
r1.dump(p); var events = RecordingFile.readAllEvents(p); if (events.isEmpty()) { thrownew AssertionError("Expected at least one event");
}
events.forEach(System.out::println); for (var event : events) { if (event.getDuration().toNanos() != 0) { thrownew AssertionError("Expected all events to have zero duration");
}
}
}
}
}
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