1 /*
2 * Copyright (c) 2017 Red Hat, Inc. and/or its affiliates.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 /*
25 * @test TestExplicitGCNoConcurrent
26 * @summary Test that Shenandoah reacts to explicit GC flags appropriately
27 * @key gc
28 * @library /testlibrary
29 * @run driver TestExplicitGCNoConcurrent
30 */
31
32 import com.oracle.java.testlibrary.*;
33
34 public class TestExplicitGCNoConcurrent {
35
36 public static void main(String[] args) throws Exception {
37 if (args.length > 0) {
38 System.out.println("Calling System.gc()");
39 System.gc();
40 return;
41 }
42
43 String[] concurrent = new String[] {
44 "Pause Init Mark",
45 "Pause Final Mark",
46 "Pause Init Update Refs",
47 "Pause Final Update Refs",
48 };
49
50 String[] opts = new String[] {
51 "",
52 "-XX:-ExplicitGCInvokesConcurrent",
53 "-XX:+ExplicitGCInvokesConcurrent"
54 };
55
56 for (String opt : opts) {
57 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
58 "-XX:+UseShenandoahGC",
59 "-verbose:gc",
60 "-XX:+UnlockDiagnosticVMOptions",
61 opt,
62 "-XX:ShenandoahGCHeuristics=passive",
63 TestExplicitGCNoConcurrent.class.getName(),
64 "test");
65 OutputAnalyzer output = new OutputAnalyzer(pb.start());
66 for (String p : concurrent) {
67 output.shouldNotContain(p);
68 }
69 }
70 }
71 }
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1 /*
2 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 /*
25 * @test TestExplicitGCNoConcurrent
26 * @summary Test that Shenandoah reacts to explicit GC flags appropriately
27 * @key gc
28 * @library /testlibrary
29 *
30 * @run driver TestExplicitGCNoConcurrent
31 */
32
33 import com.oracle.java.testlibrary.*;
34
35 public class TestExplicitGCNoConcurrent {
36
37 public static void main(String[] args) throws Exception {
38 if (args.length > 0) {
39 System.out.println("Calling System.gc()");
40 System.gc();
41 return;
42 }
43
44 String[] concurrent = new String[] {
45 "Pause Init Mark",
46 "Pause Final Mark",
47 "Pause Init Update Refs",
48 "Pause Final Update Refs",
49 };
50
51 String[] opts = new String[] {
52 "",
53 "-XX:-ExplicitGCInvokesConcurrent",
54 "-XX:+ExplicitGCInvokesConcurrent"
55 };
56
57 for (String opt : opts) {
58 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
59 "-XX:+UnlockExperimentalVMOptions",
60 "-XX:+UseShenandoahGC",
61 "-verbose:gc",
62 "-XX:+UnlockDiagnosticVMOptions",
63 opt,
64 "-XX:ShenandoahGCHeuristics=passive",
65 TestExplicitGCNoConcurrent.class.getName(),
66 "test");
67 OutputAnalyzer output = new OutputAnalyzer(pb.start());
68 for (String p : concurrent) {
69 output.shouldNotContain(p);
70 }
71 }
72 }
73 }
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