| /* |
| * Copyright (c) 2015, 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. 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. |
| */ |
| package jdk.jfr.event.runtime; |
| |
| import static jdk.test.lib.Asserts.assertTrue; |
| |
| import java.nio.file.Paths; |
| import java.time.Duration; |
| |
| import jdk.jfr.Recording; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.test.lib.jfr.EventNames; |
| import jdk.test.lib.jfr.Events; |
| |
| /* |
| * @test |
| * @bug 8058552 |
| * @requires vm.gc == "G1" | vm.gc == null |
| * @key jfr |
| * @summary Test checks that flags of type size_t are being sent to the jfr |
| * @library /test/lib |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:-UseFastUnorderedTimeStamps -XX:+UseG1GC -XX:+UseTLAB -XX:MinTLABSize=3k -XX:OldSize=30m -XX:YoungPLABSize=3k -XX:MaxDirectMemorySize=5M jdk.jfr.event.runtime.TestSizeTFlags |
| */ |
| public class TestSizeTFlags { |
| private static final String EVENT_NAME = EventNames.UnsignedLongFlag; |
| private static final int NUMBER_OF_FLAGS_TO_CHECK = 4; |
| private static final long MIN_TLAB_SIZE_FLAG_VALUE = 3*1024L; |
| private static final long OLD_SIZE_FLAG_VALUE = 30*1024*1024L; |
| private static final long YOUNG_PLAB_SIZE_FLAG_VALUE = 3*1024L; |
| private static final long MAX_DIRECT_MEMORY_SIZE_FLAG_VALUE = 5*1024*1024L; |
| |
| // Test run java with some of the flags of type size_t. |
| // Goals are |
| // - to check that flags are reported to the jfr; |
| // - to make sure values are as expected. |
| public static void main(String[] args) throws Exception { |
| final boolean[] flagsFoundWithExpectedValue = new boolean[NUMBER_OF_FLAGS_TO_CHECK]; |
| Recording recording = null; |
| try { |
| recording = new Recording(); |
| recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(0)); |
| recording.start(); |
| recording.stop(); |
| |
| for (final RecordedEvent event : Events.fromRecording(recording)) { |
| final String recordedFlagName = Events.assertField(event, "name").getValue(); |
| final long value = Events.assertField(event, "value").getValue(); |
| switch (recordedFlagName) { |
| case "MinTLABSize": { |
| flagsFoundWithExpectedValue[0] = MIN_TLAB_SIZE_FLAG_VALUE == value; |
| continue; |
| } |
| case "OldSize": { |
| flagsFoundWithExpectedValue[1] = OLD_SIZE_FLAG_VALUE == value; |
| continue; |
| } |
| case "YoungPLABSize": { |
| flagsFoundWithExpectedValue[2] = YOUNG_PLAB_SIZE_FLAG_VALUE == value; |
| continue; |
| } |
| case "MaxDirectMemorySize": { |
| flagsFoundWithExpectedValue[3] = MAX_DIRECT_MEMORY_SIZE_FLAG_VALUE == value; |
| continue; |
| } |
| default: { |
| continue; |
| } |
| } |
| } |
| |
| for (int i = 0; i < flagsFoundWithExpectedValue.length; ++i) { |
| assertTrue(flagsFoundWithExpectedValue[i], "Flag not found or value error!"); |
| } |
| |
| } catch (Throwable e) { |
| if (recording != null) { |
| recording.dump(Paths.get("failed.jfr")); |
| } |
| throw e; |
| } finally { |
| if (recording != null) { |
| recording.close(); |
| } |
| } |
| } |
| } |