| /* |
| * Copyright (c) 2017, 2018, 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 TestExplicitGC |
| * @summary Test that Shenandoah reacts to explicit GC flags appropriately |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * @library /test/lib |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * @run driver TestExplicitGC |
| */ |
| |
| import jdk.test.lib.process.ProcessTools; |
| import jdk.test.lib.process.OutputAnalyzer; |
| |
| public class TestExplicitGC { |
| |
| enum Mode { |
| PRODUCT, |
| DIAGNOSTIC, |
| EXPERIMENTAL, |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (args.length > 0) { |
| System.out.println("Calling System.gc()"); |
| System.gc(); |
| return; |
| } |
| |
| String[] full = new String[] { |
| "Pause Full" |
| }; |
| |
| String[] concNormal = new String[] { |
| "Pause Init Mark", |
| "Pause Final Mark", |
| }; |
| |
| { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-Xmx128m", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-Xlog:gc", |
| TestExplicitGC.class.getName(), |
| "test"); |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| for (String p : full) { |
| output.shouldNotContain(p); |
| } |
| for (String p : concNormal) { |
| output.shouldContain(p); |
| } |
| } |
| |
| { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-Xmx128m", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-Xlog:gc", |
| "-XX:+DisableExplicitGC", |
| TestExplicitGC.class.getName(), |
| "test"); |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| for (String p : full) { |
| output.shouldNotContain(p); |
| } |
| for (String p : concNormal) { |
| output.shouldNotContain(p); |
| } |
| } |
| |
| { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-Xmx128m", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-Xlog:gc", |
| "-XX:+ExplicitGCInvokesConcurrent", |
| TestExplicitGC.class.getName(), |
| "test"); |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| for (String p : full) { |
| output.shouldNotContain(p); |
| } |
| for (String p : concNormal) { |
| output.shouldContain(p); |
| } |
| } |
| |
| { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-Xmx128m", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-Xlog:gc", |
| "-XX:-ExplicitGCInvokesConcurrent", |
| TestExplicitGC.class.getName(), |
| "test"); |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| for (String p : full) { |
| output.shouldContain(p); |
| } |
| for (String p : concNormal) { |
| output.shouldNotContain(p); |
| } |
| } |
| |
| { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-Xmx128m", |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-Xlog:gc", |
| "-XX:+ExplicitGCInvokesConcurrent", |
| "-XX:ShenandoahGCMode=iu", |
| TestExplicitGC.class.getName(), |
| "test"); |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| for (String p : full) { |
| output.shouldNotContain(p); |
| } |
| for (String p : concNormal) { |
| output.shouldContain(p); |
| } |
| } |
| } |
| } |