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test/hotspot/jtreg/gc/shenandoah/TestObjItrWithHeapDump.java

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 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  *

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         ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(cmds);
45 
46         OutputAnalyzer output = new OutputAnalyzer(pb.start());
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              {{"iu"},      {"adaptive", "aggressive"}},
61              {{"passive"}, {"passive"}}

62         };
63 
64         for (String[][] mh : modeHeuristics) {
65             String mode = mh[0][0];
66             String[] heuristics = mh[1];
67             for (String h : heuristics) {
68                 testWith("-XX:+UnlockDiagnosticVMOptions",
69                          "-XX:+UnlockExperimentalVMOptions",
70                          "-XX:+UseShenandoahGC",
71                          "-XX:-ShenandoahDegeneratedGC",
72                          "-XX:ShenandoahGCMode=" + mode,
73                          "-XX:ShenandoahGCHeuristics=" + h,
74                          "-Xlog:gc+classhisto=trace",
75                          "-XX:-ExplicitGCInvokesConcurrent",
76                          "-Xmx512M"
77                 );
78             }
79         }
80     }
81 }

 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  *

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         ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(cmds);
46 
47         OutputAnalyzer output = new OutputAnalyzer(pb.start());
48         output.shouldHaveExitValue(0);
49         output.shouldContain("Class Histogram (before full gc)");
50         output.shouldContain("Class Histogram (after full gc)");
51     }
52 
53     public static void main(String[] args) throws Exception {
54         if (args.length > 0 && args[0].equals("test")) {
55             System.gc();
56             System.exit(0);
57         }
58 
59         String[][][] modeHeuristics = new String[][][] {
60              {{"satb"},         {"adaptive", "compact", "static", "aggressive"}},
61              {{"generational"}, {"adaptive"}},
62              {{"iu"},           {"adaptive", "aggressive"}},
63              {{"passive"},      {"passive"}}
64         };
65 
66         for (String[][] mh : modeHeuristics) {
67             String mode = mh[0][0];
68             String[] heuristics = mh[1];
69             for (String h : heuristics) {
70                 testWith("-XX:+UnlockDiagnosticVMOptions",
71                          "-XX:+UnlockExperimentalVMOptions",
72                          "-XX:+UseShenandoahGC",
73                          "-XX:-ShenandoahDegeneratedGC",
74                          "-XX:ShenandoahGCMode=" + mode,
75                          "-XX:ShenandoahGCHeuristics=" + h,
76                          "-Xlog:gc+classhisto=trace",
77                          "-XX:-ExplicitGCInvokesConcurrent",
78                          "-Xmx512M"
79                 );
80             }
81         }
82     }
83 }
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