112 lines
3.9 KiB
Java
112 lines
3.9 KiB
Java
/*
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* Copyright (c) 2017, 2018, Red Hat, Inc. 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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*/
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/* @test
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* @summary Test selective barrier enabling works, by aggressively compiling HelloWorld with combinations
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* of barrier flags
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* @requires vm.gc.Shenandoah
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* @library /test/lib
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* @run driver TestSelectiveBarrierFlags -Xint
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* @run driver TestSelectiveBarrierFlags -Xbatch -XX:CompileThreshold=100 -XX:TieredStopAtLevel=1
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*/
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/* @test
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* @summary Test selective barrier enabling works, by aggressively compiling HelloWorld with combinations
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* of barrier flags
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* @requires vm.gc.Shenandoah
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* @library /test/lib
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* @run driver TestSelectiveBarrierFlags -Xbatch -XX:CompileThreshold=100 -XX:-TieredCompilation
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*/
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import java.util.*;
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import java.util.concurrent.*;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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public class TestSelectiveBarrierFlags {
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public static void main(String[] args) throws Exception {
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String[][] opts = {
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new String[] { "ShenandoahLoadRefBarrier" },
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new String[] { "ShenandoahSATBBarrier" },
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new String[] { "ShenandoahCASBarrier" },
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new String[] { "ShenandoahCloneBarrier" },
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new String[] { "ShenandoahStackWatermarkBarrier" }
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};
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int size = 1;
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for (String[] l : opts) {
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size *= (l.length + 1);
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}
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ExecutorService pool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
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for (int c = 0; c < size; c++) {
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int t = c;
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List<String> conf = new ArrayList<>();
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conf.addAll(Arrays.asList(args));
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conf.add("-Xmx128m");
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conf.add("-XX:+UnlockDiagnosticVMOptions");
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conf.add("-XX:+UnlockExperimentalVMOptions");
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conf.add("-XX:+UseShenandoahGC");
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conf.add("-XX:ShenandoahGCMode=passive");
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StringBuilder sb = new StringBuilder();
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for (String[] l : opts) {
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// Make a choice which flag to select from the group.
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// Zero means no flag is selected from the group.
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int choice = t % (l.length + 1);
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for (int e = 0; e < l.length; e++) {
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conf.add("-XX:" + ((choice == (e + 1)) ? "+" : "-") + l[e]);
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}
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t = t / (l.length + 1);
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}
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conf.add("TestSelectiveBarrierFlags$Test");
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pool.submit(() -> {
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try {
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OutputAnalyzer output = ProcessTools.executeLimitedTestJava(conf.toArray(new String[0]));
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output.shouldHaveExitValue(0);
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} catch (Exception e) {
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e.printStackTrace();
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System.exit(1);
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}
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});
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}
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pool.shutdown();
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pool.awaitTermination(1, TimeUnit.HOURS);
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}
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public static class Test {
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public static void main(String... args) {
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System.out.println("HelloWorld");
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}
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}
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}
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