| /* |
| * Copyright (c) 2017, 2020, Red Hat, Inc. All rights reserved. |
| * |
| * 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 TestPeriodicGC |
| * @summary Test that periodic GC is working |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * @library /test/lib |
| * @run driver TestPeriodicGC |
| */ |
| |
| import java.util.*; |
| |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.process.ProcessTools; |
| import jdk.test.lib.process.OutputAnalyzer; |
| |
| public class TestPeriodicGC { |
| |
| public static void testWith(String msg, boolean periodic, String... args) throws Exception { |
| String[] cmds = Arrays.copyOf(args, args.length + 2); |
| cmds[args.length] = TestPeriodicGC.class.getName(); |
| cmds[args.length + 1] = "test"; |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(cmds); |
| |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| output.shouldHaveExitValue(0); |
| if (periodic && !output.getOutput().contains("Trigger: Time since last GC")) { |
| throw new AssertionError(msg + ": Should have periodic GC in logs"); |
| } |
| if (!periodic && output.getOutput().contains("Trigger: Time since last GC")) { |
| throw new AssertionError(msg + ": Should not have periodic GC in logs"); |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (args.length > 0 && args[0].equals("test")) { |
| Thread.sleep(5000); // stay idle |
| return; |
| } |
| |
| String[] enabled = new String[] { |
| "adaptive", |
| "compact", |
| "static", |
| }; |
| |
| for (String h : enabled) { |
| testWith("Zero interval with " + h, |
| false, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCHeuristics=" + h, |
| "-XX:ShenandoahGuaranteedGCInterval=0" |
| ); |
| |
| testWith("Short interval with " + h, |
| true, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCHeuristics=" + h, |
| "-XX:ShenandoahGuaranteedGCInterval=1000" |
| ); |
| |
| testWith("Long interval with " + h, |
| false, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCHeuristics=" + h, |
| "-XX:ShenandoahGuaranteedGCInterval=100000" // deliberately too long |
| ); |
| } |
| |
| testWith("Zero interval with iu mode", |
| false, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCMode=iu", |
| "-XX:ShenandoahGuaranteedGCInterval=0" |
| ); |
| |
| testWith("Short interval with iu mode", |
| true, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCMode=iu", |
| "-XX:ShenandoahGuaranteedGCInterval=1000" |
| ); |
| |
| testWith("Long interval with iu mode", |
| false, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCMode=iu", |
| "-XX:ShenandoahGuaranteedGCInterval=100000" // deliberately too long |
| ); |
| |
| testWith("Short interval with aggressive", |
| false, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCHeuristics=aggressive", |
| "-XX:ShenandoahGuaranteedGCInterval=1000" |
| ); |
| |
| testWith("Zero interval with passive", |
| false, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCMode=passive", |
| "-XX:ShenandoahGuaranteedGCInterval=0" |
| ); |
| |
| testWith("Short interval with passive", |
| false, |
| "-Xlog:gc", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:ShenandoahGCMode=passive", |
| "-XX:ShenandoahGuaranteedGCInterval=1000" |
| ); |
| } |
| |
| } |