/* * 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.
*/
publicstaticvoid main(String... args) throws Exception { final String name = "MyLargeJavaEvent512k"; // name of synthetically generated event final String fieldNamePrefix = "myfield"; finalint numberOfFields = 64; // 64*8k = 512k event size final Map<String, Object> eventMap = new HashMap<>(); finalint numberOfThreads = 10; // 10 threads will run the test finalint numberOfEventsPerThread = 50; // each thread will generate 50 events
List<ValueDescriptor> fields = new ArrayList<>(); for (int i = 0; i < numberOfFields; ++i) {
String fieldName = fieldNamePrefix + i;
eventMap.put(fieldName, largeString());
fields.add(new ValueDescriptor(String.class, fieldName));
}
EventTypePrototype prototype = new EventTypePrototype(name,Collections.emptyList(), fields);
EventFactory ef = EventFactory.create(prototype.getAnnotations(), prototype.getFields());
Recording r = new Recording();
r.enable(prototype.getName()).withThreshold(Duration.ofNanos(0)).withoutStackTrace();
r.start();
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