1 /*
2 * Copyright (c) 2017, 2020, 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 *
28 * @requires vm.gc.Shenandoah
29 * @library /test/lib
30 * @run driver TestPeriodicGC
31 */
32
33 import java.util.*;
34
35 import jdk.test.lib.Asserts;
36 import jdk.test.lib.process.ProcessTools;
37 import jdk.test.lib.process.OutputAnalyzer;
38
39 public class TestPeriodicGC {
40
41 public static void testWith(String msg, boolean periodic, String... args) throws Exception {
42 String[] cmds = Arrays.copyOf(args, args.length + 2);
43 cmds[args.length] = TestPeriodicGC.class.getName();
44 cmds[args.length + 1] = "test";
45 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(cmds);
46
47 output.shouldHaveExitValue(0);
48 if (periodic && !output.getOutput().contains("Trigger: Time since last GC")) {
49 throw new AssertionError(msg + ": Should have periodic GC in logs");
50 }
51 if (!periodic && output.getOutput().contains("Trigger: Time since last GC")) {
52 throw new AssertionError(msg + ": Should not have periodic GC in logs");
53 }
54 }
55
56 public static void main(String[] args) throws Exception {
57 if (args.length > 0 && args[0].equals("test")) {
58 Thread.sleep(5000); // stay idle
59 return;
60 }
61
62 String[] enabled = new String[] {
63 "adaptive",
64 "compact",
65 "static",
66 };
67
68 for (String h : enabled) {
69 testWith("Zero interval with " + h,
70 false,
71 "-Xlog:gc",
72 "-XX:+UnlockDiagnosticVMOptions",
73 "-XX:+UnlockExperimentalVMOptions",
74 "-XX:+UseShenandoahGC",
75 "-XX:ShenandoahGCHeuristics=" + h,
139
140 testWith("Zero interval with passive",
141 false,
142 "-Xlog:gc",
143 "-XX:+UnlockDiagnosticVMOptions",
144 "-XX:+UnlockExperimentalVMOptions",
145 "-XX:+UseShenandoahGC",
146 "-XX:ShenandoahGCMode=passive",
147 "-XX:ShenandoahGuaranteedGCInterval=0"
148 );
149
150 testWith("Short interval with passive",
151 false,
152 "-Xlog:gc",
153 "-XX:+UnlockDiagnosticVMOptions",
154 "-XX:+UnlockExperimentalVMOptions",
155 "-XX:+UseShenandoahGC",
156 "-XX:ShenandoahGCMode=passive",
157 "-XX:ShenandoahGuaranteedGCInterval=1000"
158 );
159 }
160
161 }
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1 /*
2 * Copyright (c) 2017, 2020, 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 *
29 * @requires vm.gc.Shenandoah
30 * @library /test/lib
31 * @run driver TestPeriodicGC
32 */
33
34 import java.util.*;
35
36 import jdk.test.lib.Asserts;
37 import jdk.test.lib.process.ProcessTools;
38 import jdk.test.lib.process.OutputAnalyzer;
39
40 public class TestPeriodicGC {
41
42 public static void testWith(String msg, boolean periodic, String... args) throws Exception {
43 String[] cmds = Arrays.copyOf(args, args.length + 2);
44 cmds[args.length] = TestPeriodicGC.class.getName();
45 cmds[args.length + 1] = "test";
46 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(cmds);
47
48 output.shouldHaveExitValue(0);
49 if (periodic && !output.getOutput().contains("Trigger (GLOBAL): Time since last GC")) {
50 throw new AssertionError(msg + ": Should have periodic GC in logs");
51 }
52 if (!periodic && output.getOutput().contains("Trigger (GLOBAL): Time since last GC")) {
53 throw new AssertionError(msg + ": Should not have periodic GC in logs");
54 }
55 }
56
57 public static void testGenerational(boolean periodic, String... args) throws Exception {
58 String[] cmds = Arrays.copyOf(args, args.length + 2);
59 cmds[args.length] = TestPeriodicGC.class.getName();
60 cmds[args.length + 1] = "test";
61 ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(cmds);
62
63 OutputAnalyzer output = new OutputAnalyzer(pb.start());
64 output.shouldHaveExitValue(0);
65 if (periodic) {
66 if (!output.getOutput().contains("Trigger (YOUNG): Time since last GC")) {
67 throw new AssertionError("Generational mode: Should have periodic young GC in logs");
68 }
69 if (!output.getOutput().contains("Trigger (OLD): Time since last GC")) {
70 throw new AssertionError("Generational mode: Should have periodic old GC in logs");
71 }
72 } else {
73 if (output.getOutput().contains("Trigger (YOUNG): Time since last GC")) {
74 throw new AssertionError("Generational mode: Should not have periodic young GC in logs");
75 }
76 if (output.getOutput().contains("Trigger (OLD): Time since last GC")) {
77 throw new AssertionError("Generational mode: Should not have periodic old GC in logs");
78 }
79 }
80 }
81
82 public static void main(String[] args) throws Exception {
83 if (args.length > 0 && args[0].equals("test")) {
84 Thread.sleep(5000); // stay idle
85 return;
86 }
87
88 String[] enabled = new String[] {
89 "adaptive",
90 "compact",
91 "static",
92 };
93
94 for (String h : enabled) {
95 testWith("Zero interval with " + h,
96 false,
97 "-Xlog:gc",
98 "-XX:+UnlockDiagnosticVMOptions",
99 "-XX:+UnlockExperimentalVMOptions",
100 "-XX:+UseShenandoahGC",
101 "-XX:ShenandoahGCHeuristics=" + h,
165
166 testWith("Zero interval with passive",
167 false,
168 "-Xlog:gc",
169 "-XX:+UnlockDiagnosticVMOptions",
170 "-XX:+UnlockExperimentalVMOptions",
171 "-XX:+UseShenandoahGC",
172 "-XX:ShenandoahGCMode=passive",
173 "-XX:ShenandoahGuaranteedGCInterval=0"
174 );
175
176 testWith("Short interval with passive",
177 false,
178 "-Xlog:gc",
179 "-XX:+UnlockDiagnosticVMOptions",
180 "-XX:+UnlockExperimentalVMOptions",
181 "-XX:+UseShenandoahGC",
182 "-XX:ShenandoahGCMode=passive",
183 "-XX:ShenandoahGuaranteedGCInterval=1000"
184 );
185
186 testGenerational(true,
187 "-Xlog:gc",
188 "-XX:+UnlockDiagnosticVMOptions",
189 "-XX:+UnlockExperimentalVMOptions",
190 "-XX:+UseShenandoahGC",
191 "-XX:ShenandoahGCMode=generational",
192 "-XX:ShenandoahGuaranteedYoungGCInterval=1000",
193 "-XX:ShenandoahGuaranteedOldGCInterval=1500"
194 );
195
196 testGenerational(false,
197 "-Xlog:gc",
198 "-XX:+UnlockDiagnosticVMOptions",
199 "-XX:+UnlockExperimentalVMOptions",
200 "-XX:+UseShenandoahGC",
201 "-XX:ShenandoahGCMode=generational",
202 "-XX:ShenandoahGuaranteedYoungGCInterval=0",
203 "-XX:ShenandoahGuaranteedOldGCInterval=0"
204 );
205 }
206
207 }
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