--- /dev/null 2019-07-02 15:10:22.000000000 -0700 +++ new/test/hotspot/jtreg/containers/docker/EventGeneratorLoop.java 2019-07-02 15:10:22.000000000 -0700 @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2019, 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. + */ +import jdk.jfr.Event; +import jdk.jfr.Description; +import jdk.jfr.Label; + + +// This class generates simple event in a loop +// for a specified time. +// Pass the time in seconds as a parameter. +public class EventGeneratorLoop { + + @Label("SimpleEvent") + @Description("Simple custom event") + static class SimpleEvent extends Event { + @Label("Message") + String msg; + + @Label("Count") + int count; + } + + + public static void main(String[] args) throws Exception { + if ((args.length < 1) || (args[0] == null)) { + throw new IllegalArgumentException("Expecting one argument: time to run (seconds)"); + } + int howLong = Integer.parseInt(args[0]); + + for (int i=0; i < howLong; i++) { + SimpleEvent ev = new SimpleEvent(); + ev.msg = "Hello"; + ev.count = i; + ev.commit(); + + try { Thread.sleep(1000); } catch (InterruptedException e) {} + System.out.print("."); + } + } +}