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 */
23
24 /*
25 * @test TestG1TraceReclaimDeadHumongousObjectsAtYoungGC
26 * @bug 8058801
27 * @summary Ensure that the output for a G1TraceReclaimDeadHumongousObjectsAtYoungGC
28 * includes the expected necessary messages.
29 * @key gc
30 * @library /testlibrary
31 */
32
33 import com.oracle.java.testlibrary.ProcessTools;
34 import com.oracle.java.testlibrary.OutputAnalyzer;
35 import java.util.LinkedList;
36
37 public class TestG1TraceReclaimDeadHumongousObjectsAtYoungGC {
38 public static void main(String[] args) throws Exception {
39 testGCLogs();
40 testHumongousObjectGCLogs();
41 }
42
43 private static void testGCLogs() throws Exception {
44
45 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
46 "-Xms128M",
47 "-Xmx128M",
48 "-Xmn16M",
49 "-XX:G1HeapRegionSize=1M",
50 "-XX:+PrintGC",
51 "-XX:+UnlockExperimentalVMOptions",
52 "-XX:G1LogLevel=finest",
53 "-XX:+G1TraceReclaimDeadHumongousObjectsAtYoungGC",
54 GCTest.class.getName());
55
56 OutputAnalyzer output = new OutputAnalyzer(pb.start());
57
58 // As G1ReclaimDeadHumongousObjectsAtYoungGC is set(default), below logs should be displayed.
59 // And GCTest doesn't have humongous objects, so values should be zero.
60 output.shouldContain("[Humongous Reclaim");
61 output.shouldContain("[Humongous Total: 0]");
62 output.shouldContain("[Humongous Candidate: 0]");
63 output.shouldContain("[Humongous Reclaimed: 0]");
64
65 output.shouldHaveExitValue(0);
66 }
67
68 private static void testHumongousObjectGCLogs() throws Exception {
69 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
70 "-Xms128M",
71 "-Xmx128M",
72 "-Xmn16M",
73 "-XX:G1HeapRegionSize=1M",
74 "-XX:+PrintGC",
75 "-XX:+UnlockExperimentalVMOptions",
76 "-XX:G1LogLevel=finest",
77 "-XX:+G1TraceReclaimDeadHumongousObjectsAtYoungGC",
78 GCWithHumongousObjectTest.class.getName());
79
80 OutputAnalyzer output = new OutputAnalyzer(pb.start());
81
82 // As G1ReclaimDeadHumongousObjectsAtYoungGC is set(default), below logs should be displayed.
83 output.shouldContain("[Humongous Reclaim");
84 output.shouldContain("[Humongous Total");
85 output.shouldContain("[Humongous Candidate");
86 output.shouldContain("[Humongous Reclaimed");
87
88 // As G1TraceReclaimDeadHumongousObjectsAtYoungGC is set and GCWithHumongousObjectTest has humongous objects,
89 // these logs should be displayed.
90 output.shouldContain("Live humongous");
91 output.shouldContain("Reclaim humongous region");
92 output.shouldHaveExitValue(0);
93 }
94
95 static class GCTest {
96 private static byte[] garbage;
97
98 public static void main(String [] args) {
99 System.out.println("Creating garbage");
100 // create 128MB of garbage. This should result in at least one GC
101 for (int i = 0; i < 1024; i++) {
102 garbage = new byte[128 * 1024];
103 }
104 System.out.println("Done");
105 }
106 }
107
108 static class GCWithHumongousObjectTest {
109
110 public static final int M = 1024*1024;
111 public static LinkedList<Object> garbageList = new LinkedList<Object>();
|
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 */
23
24 /*
25 * @test TestG1TraceEagerReclaimHumongousObjects
26 * @bug 8058801 8048179
27 * @summary Ensure that the output for a G1TraceEagerReclaimHumongousObjects
28 * includes the expected necessary messages.
29 * @key gc
30 * @library /testlibrary
31 */
32
33 import com.oracle.java.testlibrary.ProcessTools;
34 import com.oracle.java.testlibrary.OutputAnalyzer;
35 import java.util.LinkedList;
36
37 public class TestG1TraceEagerReclaimHumongousObjects {
38 public static void main(String[] args) throws Exception {
39 testGCLogs();
40 testHumongousObjectGCLogs();
41 }
42
43 private static void testGCLogs() throws Exception {
44
45 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
46 "-Xms128M",
47 "-Xmx128M",
48 "-Xmn16M",
49 "-XX:G1HeapRegionSize=1M",
50 "-XX:+PrintGC",
51 "-XX:+UnlockExperimentalVMOptions",
52 "-XX:G1LogLevel=finest",
53 "-XX:+G1TraceEagerReclaimHumongousObjects",
54 GCTest.class.getName());
55
56 OutputAnalyzer output = new OutputAnalyzer(pb.start());
57
58 // As G1EagerReclaimHumongousObjects is set(default), below logs should be displayed.
59 // And GCTest doesn't have humongous objects, so values should be zero.
60 output.shouldContain("[Humongous Reclaim");
61 output.shouldContain("[Humongous Total: 0]");
62 output.shouldContain("[Humongous Candidate: 0]");
63 output.shouldContain("[Humongous Reclaimed: 0]");
64
65 output.shouldHaveExitValue(0);
66 }
67
68 private static void testHumongousObjectGCLogs() throws Exception {
69 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
70 "-Xms128M",
71 "-Xmx128M",
72 "-Xmn16M",
73 "-XX:G1HeapRegionSize=1M",
74 "-XX:+PrintGC",
75 "-XX:+UnlockExperimentalVMOptions",
76 "-XX:G1LogLevel=finest",
77 "-XX:+G1TraceEagerReclaimHumongousObjects",
78 GCWithHumongousObjectTest.class.getName());
79
80 OutputAnalyzer output = new OutputAnalyzer(pb.start());
81
82 // As G1ReclaimDeadHumongousObjectsAtYoungGC is set(default), below logs should be displayed.
83 output.shouldContain("[Humongous Reclaim");
84 output.shouldContain("[Humongous Total");
85 output.shouldContain("[Humongous Candidate");
86 output.shouldContain("[Humongous Reclaimed");
87
88 // As G1TraceReclaimDeadHumongousObjectsAtYoungGC is set and GCWithHumongousObjectTest has humongous objects,
89 // these logs should be displayed.
90 output.shouldContain("Live humongous");
91 output.shouldContain("Dead humongous region");
92 output.shouldHaveExitValue(0);
93 }
94
95 static class GCTest {
96 private static byte[] garbage;
97
98 public static void main(String [] args) {
99 System.out.println("Creating garbage");
100 // create 128MB of garbage. This should result in at least one GC
101 for (int i = 0; i < 1024; i++) {
102 garbage = new byte[128 * 1024];
103 }
104 System.out.println("Done");
105 }
106 }
107
108 static class GCWithHumongousObjectTest {
109
110 public static final int M = 1024*1024;
111 public static LinkedList<Object> garbageList = new LinkedList<Object>();
|