1 /*
2 * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
38
39 public class TestObjItrWithHeapDump {
40 public static void testWith(String... args) throws Exception {
41 String[] cmds = Arrays.copyOf(args, args.length + 2);
42 cmds[args.length] = TestObjItrWithHeapDump.class.getName();
43 cmds[args.length + 1] = "test";
44 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(cmds);
45
46 output.shouldHaveExitValue(0);
47 output.shouldContain("Class Histogram (before full gc)");
48 output.shouldContain("Class Histogram (after full gc)");
49 }
50
51 public static void main(String[] args) throws Exception {
52 if (args.length > 0 && args[0].equals("test")) {
53 System.gc();
54 System.exit(0);
55 }
56
57 String[][][] modeHeuristics = new String[][][] {
58 {{"satb"}, {"adaptive", "compact", "static", "aggressive"}},
59 {{"iu"}, {"adaptive", "aggressive"}},
60 {{"passive"}, {"passive"}}
61 };
62
63 for (String[][] mh : modeHeuristics) {
64 String mode = mh[0][0];
65 String[] heuristics = mh[1];
66 for (String h : heuristics) {
67 testWith("-XX:+UnlockDiagnosticVMOptions",
68 "-XX:+UnlockExperimentalVMOptions",
69 "-XX:+UseShenandoahGC",
70 "-XX:-ShenandoahDegeneratedGC",
71 "-XX:ShenandoahGCMode=" + mode,
72 "-XX:ShenandoahGCHeuristics=" + h,
73 "-Xlog:gc+classhisto=trace",
74 "-XX:-ExplicitGCInvokesConcurrent",
75 "-Xmx512M"
76 );
77 }
78 }
79 }
80 }
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1 /*
2 * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
3 * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
39
40 public class TestObjItrWithHeapDump {
41 public static void testWith(String... args) throws Exception {
42 String[] cmds = Arrays.copyOf(args, args.length + 2);
43 cmds[args.length] = TestObjItrWithHeapDump.class.getName();
44 cmds[args.length + 1] = "test";
45 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(cmds);
46
47 output.shouldHaveExitValue(0);
48 output.shouldContain("Class Histogram (before full gc)");
49 output.shouldContain("Class Histogram (after full gc)");
50 }
51
52 public static void main(String[] args) throws Exception {
53 if (args.length > 0 && args[0].equals("test")) {
54 System.gc();
55 System.exit(0);
56 }
57
58 String[][][] modeHeuristics = new String[][][] {
59 {{"satb"}, {"adaptive", "compact", "static", "aggressive"}},
60 {{"generational"}, {"adaptive"}},
61 {{"iu"}, {"adaptive", "aggressive"}},
62 {{"passive"}, {"passive"}}
63 };
64
65 for (String[][] mh : modeHeuristics) {
66 String mode = mh[0][0];
67 String[] heuristics = mh[1];
68 for (String h : heuristics) {
69 testWith("-XX:+UnlockDiagnosticVMOptions",
70 "-XX:+UnlockExperimentalVMOptions",
71 "-XX:+UseShenandoahGC",
72 "-XX:-ShenandoahDegeneratedGC",
73 "-XX:ShenandoahGCMode=" + mode,
74 "-XX:ShenandoahGCHeuristics=" + h,
75 "-Xlog:gc+classhisto=trace",
76 "-XX:-ExplicitGCInvokesConcurrent",
77 "-Xmx512M"
78 );
79 }
80 }
81 }
82 }
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