28 * @key gc
29 * @library /testlibrary
30 */
31
32 import com.oracle.java.testlibrary.ProcessTools;
33 import com.oracle.java.testlibrary.OutputAnalyzer;
34
35 public class TestGCId {
36 public static void main(String[] args) throws Exception {
37 testGCId("UseParallelGC", "PrintGC");
38 testGCId("UseParallelGC", "PrintGCDetails");
39
40 testGCId("UseG1GC", "PrintGC");
41 testGCId("UseG1GC", "PrintGCDetails");
42
43 testGCId("UseConcMarkSweepGC", "PrintGC");
44 testGCId("UseConcMarkSweepGC", "PrintGCDetails");
45
46 testGCId("UseSerialGC", "PrintGC");
47 testGCId("UseSerialGC", "PrintGCDetails");
48 }
49
50 private static void verifyContainsGCIDs(OutputAnalyzer output) {
51 output.shouldMatch("^#0: \\[");
52 output.shouldMatch("^#1: \\[");
53 output.shouldHaveExitValue(0);
54 }
55
56 private static void verifyContainsNoGCIDs(OutputAnalyzer output) {
57 output.shouldNotMatch("^#[0-9]+: \\[");
58 output.shouldHaveExitValue(0);
59 }
60
61 private static void testGCId(String gcFlag, String logFlag) throws Exception {
62 // GCID logging enabled
63 ProcessBuilder pb_enabled =
64 ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", "-XX:+PrintGCID", GCTest.class.getName());
65 verifyContainsGCIDs(new OutputAnalyzer(pb_enabled.start()));
66
67 // GCID logging disabled
68 ProcessBuilder pb_disabled =
69 ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", "-XX:-PrintGCID", GCTest.class.getName());
70 verifyContainsNoGCIDs(new OutputAnalyzer(pb_disabled.start()));
71
72 // GCID logging default
73 ProcessBuilder pb_default =
74 ProcessTools.createJavaProcessBuilder("-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", GCTest.class.getName());
75 verifyContainsNoGCIDs(new OutputAnalyzer(pb_default.start()));
76 }
77
78 static class GCTest {
79 private static byte[] garbage;
80 public static void main(String [] args) {
81 System.out.println("Creating garbage");
82 // create 128MB of garbage. This should result in at least one GC
83 for (int i = 0; i < 1024; i++) {
84 garbage = new byte[128 * 1024];
85 }
86 // do a system gc to get one more gc
87 System.gc();
88 System.out.println("Done");
89 }
90 }
91 }
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28 * @key gc
29 * @library /testlibrary
30 */
31
32 import com.oracle.java.testlibrary.ProcessTools;
33 import com.oracle.java.testlibrary.OutputAnalyzer;
34
35 public class TestGCId {
36 public static void main(String[] args) throws Exception {
37 testGCId("UseParallelGC", "PrintGC");
38 testGCId("UseParallelGC", "PrintGCDetails");
39
40 testGCId("UseG1GC", "PrintGC");
41 testGCId("UseG1GC", "PrintGCDetails");
42
43 testGCId("UseConcMarkSweepGC", "PrintGC");
44 testGCId("UseConcMarkSweepGC", "PrintGCDetails");
45
46 testGCId("UseSerialGC", "PrintGC");
47 testGCId("UseSerialGC", "PrintGCDetails");
48
49 testGCId("UseShenandoahGC", "PrintGC");
50 testGCId("UseShenandoahGC", "PrintGCDetails");
51 }
52
53 private static void verifyContainsGCIDs(OutputAnalyzer output) {
54 output.shouldMatch("^#0: \\[");
55 output.shouldMatch("^#1: \\[");
56 output.shouldHaveExitValue(0);
57 }
58
59 private static void verifyContainsNoGCIDs(OutputAnalyzer output) {
60 output.shouldNotMatch("^#[0-9]+: \\[");
61 output.shouldHaveExitValue(0);
62 }
63
64 private static void testGCId(String gcFlag, String logFlag) throws Exception {
65 // GCID logging enabled
66 ProcessBuilder pb_enabled =
67 ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", "-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", "-XX:+PrintGCID", GCTest.class.getName());
68 verifyContainsGCIDs(new OutputAnalyzer(pb_enabled.start()));
69
70 // GCID logging disabled
71 ProcessBuilder pb_disabled =
72 ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", "-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", "-XX:-PrintGCID", GCTest.class.getName());
73 verifyContainsNoGCIDs(new OutputAnalyzer(pb_disabled.start()));
74
75 // GCID logging default
76 ProcessBuilder pb_default =
77 ProcessTools.createJavaProcessBuilder("-XX:+UnlockExperimentalVMOptions", "-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", GCTest.class.getName());
78 verifyContainsNoGCIDs(new OutputAnalyzer(pb_default.start()));
79 }
80
81 static class GCTest {
82 private static byte[] garbage;
83 public static void main(String [] args) {
84 System.out.println("Creating garbage");
85 // create 128MB of garbage. This should result in at least one GC
86 for (int i = 0; i < 1024; i++) {
87 garbage = new byte[128 * 1024];
88 }
89 // do a system gc to get one more gc
90 System.gc();
91 System.out.println("Done");
92 }
93 }
94 }
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