17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 /**
25 * @test TestGCThreadGroups
26 * @summary Test Shenandoah GC uses concurrent/parallel threads correctly
27 * @key gc
28 *
29 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -Dtarget=1000 TestGCThreadGroups
30 * @run main/othervm -XX:-UseDynamicNumberOfGCThreads -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -Dtarget=1000 TestGCThreadGroups
31 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+ForceDynamicNumberOfGCThreads -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -Dtarget=1000 TestGCThreadGroups
32 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCMode=passive -Dtarget=1000 TestGCThreadGroups
33 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=adaptive -Dtarget=1000 TestGCThreadGroups
34 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=static -Dtarget=1000 TestGCThreadGroups
35 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=compact -Dtarget=100 TestGCThreadGroups
36 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=aggressive -Dtarget=100 TestGCThreadGroups
37 */
38
39 public class TestGCThreadGroups {
40
41 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation, around 1K cycles to handle
42 static final long STRIDE = 100_000;
43
44 static volatile Object sink;
45
46 public static void main(String[] args) throws Exception {
47 long count = TARGET_MB * 1024 * 1024 / 16;
48 for (long c = 0; c < count; c += STRIDE) {
49 for (long s = 0; s < STRIDE; s++) {
50 sink = new Object();
51 }
52 Thread.sleep(1);
53 }
54 }
55
56 }
|
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 /**
25 * @test TestGCThreadGroups
26 * @summary Test Shenandoah GC uses concurrent/parallel threads correctly
27 * @key gc
28 *
29 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -Dtarget=1000 TestGCThreadGroups
30 * @run main/othervm -XX:-UseDynamicNumberOfGCThreads -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -Dtarget=1000 TestGCThreadGroups
31 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+ForceDynamicNumberOfGCThreads -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -Dtarget=1000 TestGCThreadGroups
32 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCMode=passive -Dtarget=1000 TestGCThreadGroups
33 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=adaptive -Dtarget=1000 TestGCThreadGroups
34 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=static -Dtarget=1000 TestGCThreadGroups
35 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=compact -Dtarget=100 TestGCThreadGroups
36 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=aggressive -Dtarget=100 TestGCThreadGroups
37 *
38 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCMode=traversal -Dtarget=100 TestGCThreadGroups
39 * @run main/othervm -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive -Dtarget=100 TestGCThreadGroups
40 */
41
42 public class TestGCThreadGroups {
43
44 static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation, around 1K cycles to handle
45 static final long STRIDE = 100_000;
46
47 static volatile Object sink;
48
49 public static void main(String[] args) throws Exception {
50 long count = TARGET_MB * 1024 * 1024 / 16;
51 for (long c = 0; c < count; c += STRIDE) {
52 for (long s = 0; s < STRIDE; s++) {
53 sink = new Object();
54 }
55 Thread.sleep(1);
56 }
57 }
58
59 }
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