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test/hotspot/jtreg/gc/shenandoah/TestGCThreadGroups.java
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rev 58687 : Shenandoah: New incremental-update mode
@@ -76,10 +76,29 @@
* -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
* -Dtarget=100
* TestGCThreadGroups
*/
+/**
+ * @test TestGCThreadGroups
+ * @summary Test Shenandoah GC uses concurrent/parallel threads correctly
+ * @key gc
+ * @requires vm.gc.Shenandoah & !vm.graal.enabled
+ *
+ * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
+ * -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
+ * -Dtarget=1000
+ * TestGCThreadGroups
+ *
+ * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
+ * -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
+ * -Dtarget=1000
+ * TestGCThreadGroups
+*/
+
public class TestGCThreadGroups {
static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation, around 1K cycles to handle
static final long STRIDE = 100_000;
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