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 TestGCId
26 * @bug 8043607
27 * @summary Ensure that the GCId is logged
28 * @key gc
29 * @library /testlibrary
30 * @modules java.base/sun.misc
31 * java.management
32 */
33
34 import jdk.test.lib.ProcessTools;
35 import jdk.test.lib.OutputAnalyzer;
36
37 public class TestGCId {
38 public static void main(String[] args) throws Exception {
39 testGCId("UseParallelGC", "PrintGC");
40 testGCId("UseParallelGC", "PrintGCDetails");
41
42 testGCId("UseG1GC", "PrintGC");
43 testGCId("UseG1GC", "PrintGCDetails");
44
45 testGCId("UseConcMarkSweepGC", "PrintGC");
46 testGCId("UseConcMarkSweepGC", "PrintGCDetails");
47
48 testGCId("UseSerialGC", "PrintGC");
49 testGCId("UseSerialGC", "PrintGCDetails");
50 }
51
52 private static void verifyContainsGCIDs(OutputAnalyzer output) {
53 output.shouldMatch("^#0: \\[");
54 output.shouldMatch("^#1: \\[");
55 output.shouldHaveExitValue(0);
56 }
57
58 private static void verifyContainsNoGCIDs(OutputAnalyzer output) {
59 output.shouldNotMatch("^#[0-9]+: \\[");
60 output.shouldHaveExitValue(0);
61 }
62
63 private static void testGCId(String gcFlag, String logFlag) throws Exception {
64 // GCID logging enabled
65 ProcessBuilder pb_enabled =
66 ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", "-XX:+PrintGCID", GCTest.class.getName());
67 verifyContainsGCIDs(new OutputAnalyzer(pb_enabled.start()));
68
69 // GCID logging disabled
70 ProcessBuilder pb_disabled =
71 ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", "-XX:-PrintGCID", GCTest.class.getName());
72 verifyContainsNoGCIDs(new OutputAnalyzer(pb_disabled.start()));
73
74 // GCID logging default
75 ProcessBuilder pb_default =
76 ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", GCTest.class.getName());
77 verifyContainsGCIDs(new OutputAnalyzer(pb_default.start()));
78 }
79
80 static class GCTest {
81 private static byte[] garbage;
82 public static void main(String [] args) {
83 System.out.println("Creating garbage");
84 // create 128MB of garbage. This should result in at least one GC
85 for (int i = 0; i < 1024; i++) {
86 garbage = new byte[128 * 1024];
87 }
88 // do a system gc to get one more gc
89 System.gc();
90 System.out.println("Done");
91 }
92 }
93 }
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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 TestGCId
26 * @bug 8043607
27 * @summary Ensure that the GCId is logged
28 * @key gc
29 * @library /testlibrary
30 * @modules java.base/sun.misc
31 * java.management
32 */
33
34 import jdk.test.lib.ProcessTools;
35 import jdk.test.lib.OutputAnalyzer;
36
37 public class TestGCId {
38 public static void main(String[] args) throws Exception {
39 testGCId("UseParallelGC");
40 testGCId("UseG1GC");
41 testGCId("UseConcMarkSweepGC");
42 testGCId("UseSerialGC");
43 }
44
45 private static void verifyContainsGCIDs(OutputAnalyzer output) {
46 output.shouldMatch("\\[.*\\]\\[.*\\]\\[.*\\] GC\\(0\\) ");
47 output.shouldMatch("\\[.*\\]\\[.*\\]\\[.*\\] GC\\(1\\) ");
48 output.shouldHaveExitValue(0);
49 }
50
51 private static void testGCId(String gcFlag) throws Exception {
52 ProcessBuilder pb_default =
53 ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-Xlog:gc", "-Xmx10M", GCTest.class.getName());
54 verifyContainsGCIDs(new OutputAnalyzer(pb_default.start()));
55 }
56
57 static class GCTest {
58 private static byte[] garbage;
59 public static void main(String [] args) {
60 System.out.println("Creating garbage");
61 // create 128MB of garbage. This should result in at least one GC
62 for (int i = 0; i < 1024; i++) {
63 garbage = new byte[128 * 1024];
64 }
65 // do a system gc to get one more gc
66 System.gc();
67 System.out.println("Done");
68 }
69 }
70 }
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