26 * @summary Test that periodic GC is working
27 * @key gc
28 * @library /testlibrary
29 * @run driver TestPeriodicGC
30 */
31
32 import java.util.*;
33
34 import com.oracle.java.testlibrary.*;
35
36 public class TestPeriodicGC {
37
38 public static void testWith(String msg, boolean periodic, String... args) throws Exception {
39 String[] cmds = Arrays.copyOf(args, args.length + 2);
40 cmds[args.length] = TestPeriodicGC.class.getName();
41 cmds[args.length + 1] = "test";
42 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(cmds);
43
44 OutputAnalyzer output = new OutputAnalyzer(pb.start());
45 output.shouldHaveExitValue(0);
46 if (periodic && !output.getOutput().contains("Periodic GC")) {
47 throw new AssertionError(msg + ": Should have periodic GC in logs");
48 }
49 if (!periodic && output.getOutput().contains("Periodic GC")) {
50 throw new AssertionError(msg + ": Should not have periodic GC in logs");
51 }
52 }
53
54 public static void main(String[] args) throws Exception {
55 if (args.length > 0 && args[0].equals("test")) {
56 Thread.sleep(5000); // stay idle
57 return;
58 }
59
60 String[] enabled = new String[] {
61 "adaptive",
62 "compact",
63 "static"
64 };
65
66 String[] disabled = new String[] {
67 "aggressive",
68 "passive",
69 };
70
71 for (String h : enabled) {
72 testWith("Short period with " + h,
73 true,
74 "-XX:+PrintGCDetails",
75 "-XX:+UseShenandoahGC",
76 "-XX:+UnlockDiagnosticVMOptions",
77 "-XX:+UnlockExperimentalVMOptions",
78 "-XX:ShenandoahGCHeuristics=" + h,
79 "-XX:ShenandoahGuaranteedGCInterval=1000"
80 );
81
82 testWith("Long period with " + h,
83 false,
84 "-XX:+PrintGCDetails",
85 "-XX:+UseShenandoahGC",
86 "-XX:+UnlockDiagnosticVMOptions",
87 "-XX:+UnlockExperimentalVMOptions",
88 "-XX:ShenandoahGCHeuristics=" + h,
89 "-XX:ShenandoahGuaranteedGCInterval=100000" // deliberately too long
90 );
91 }
92
93 for (String h : disabled) {
94 testWith("Short period with " + h,
95 false,
96 "-XX:+PrintGCDetails",
97 "-XX:+UseShenandoahGC",
98 "-XX:+UnlockDiagnosticVMOptions",
99 "-XX:+UnlockExperimentalVMOptions",
100 "-XX:ShenandoahGCHeuristics=" + h,
101 "-XX:ShenandoahGuaranteedGCInterval=1000"
102 );
103 }
104 }
105
106 }
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26 * @summary Test that periodic GC is working
27 * @key gc
28 * @library /testlibrary
29 * @run driver TestPeriodicGC
30 */
31
32 import java.util.*;
33
34 import com.oracle.java.testlibrary.*;
35
36 public class TestPeriodicGC {
37
38 public static void testWith(String msg, boolean periodic, String... args) throws Exception {
39 String[] cmds = Arrays.copyOf(args, args.length + 2);
40 cmds[args.length] = TestPeriodicGC.class.getName();
41 cmds[args.length + 1] = "test";
42 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(cmds);
43
44 OutputAnalyzer output = new OutputAnalyzer(pb.start());
45 output.shouldHaveExitValue(0);
46 if (periodic && !output.getOutput().contains("Trigger: Time since last GC")) {
47 throw new AssertionError(msg + ": Should have periodic GC in logs");
48 }
49 if (!periodic && output.getOutput().contains("Trigger: Time since last GC")) {
50 throw new AssertionError(msg + ": Should not have periodic GC in logs");
51 }
52 }
53
54 public static void main(String[] args) throws Exception {
55 if (args.length > 0 && args[0].equals("test")) {
56 Thread.sleep(5000); // stay idle
57 return;
58 }
59
60 String[] enabled = new String[] {
61 "adaptive",
62 "compact",
63 "static"
64 };
65
66 String[] disabled = new String[] {
67 "aggressive",
68 "passive",
69 };
70
71 for (String h : enabled) {
72 testWith("Short period with " + h,
73 true,
74 "-verbose:gc",
75 "-XX:+UseShenandoahGC",
76 "-XX:+UnlockDiagnosticVMOptions",
77 "-XX:+UnlockExperimentalVMOptions",
78 "-XX:ShenandoahGCHeuristics=" + h,
79 "-XX:ShenandoahGuaranteedGCInterval=1000"
80 );
81
82 testWith("Long period with " + h,
83 false,
84 "-verbose:gc",
85 "-XX:+UseShenandoahGC",
86 "-XX:+UnlockDiagnosticVMOptions",
87 "-XX:+UnlockExperimentalVMOptions",
88 "-XX:ShenandoahGCHeuristics=" + h,
89 "-XX:ShenandoahGuaranteedGCInterval=100000" // deliberately too long
90 );
91 }
92
93 for (String h : disabled) {
94 testWith("Short period with " + h,
95 false,
96 "-verbose:gc",
97 "-XX:+UseShenandoahGC",
98 "-XX:+UnlockDiagnosticVMOptions",
99 "-XX:+UnlockExperimentalVMOptions",
100 "-XX:ShenandoahGCHeuristics=" + h,
101 "-XX:ShenandoahGuaranteedGCInterval=1000"
102 );
103 }
104 }
105
106 }
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