This test sometimes failed due to never hitting the breakpoint in Con…

…tinuation.run(). This is because if every vthread is mounted on a carrier thread, you may never see another call to Continuation.run(). Allow at most 2 carrier threads for the 3 vthreads.
openjdk · Feb 24, 2020 · 3bbda7a3d8c48b2738d243c5b99cb33d70836ce8 · 3bbda7a
1 parent 9e981cd
commit 3bbda7a3d8c48b2738d243c5b99cb33d70836ce8
Unified Split

Showing with 2 additions and 2 deletions.

+2 −2 test/hotspot/jtreg/serviceability/jvmti/DoContinueSingleStepTest/DoContinueSingleStepTest.java
diff --git a/...hotspot/jtreg/serviceability/jvmti/DoContinueSingleStepTest/DoContinueSingleStepTest.java b/...hotspot/jtreg/serviceability/jvmti/DoContinueSingleStepTest/DoContinueSingleStepTest.java
@@ -27,8 +27,8 @@
  * @compile DoContinueSingleStepTest.java
  * @run main/othervm/native -XX:+UseContinuationLazyCopy -agentlib:DoContinueSingleStepTest -Djdk.defaultScheduler.parallelism=1 DoContinueSingleStepTest 150
  * @run main/othervm/native -XX:+UseContinuationLazyCopy -agentlib:DoContinueSingleStepTest -Djdk.defaultScheduler.parallelism=1 DoContinueSingleStepTest 500
- * @run main/othervm/native -XX:+UseContinuationLazyCopy -agentlib:DoContinueSingleStepTest DoContinueSingleStepTest 150
- * @run main/othervm/native -XX:+UseContinuationLazyCopy -agentlib:DoContinueSingleStepTest DoContinueSingleStepTest 500
+ * @run main/othervm/native -XX:+UseContinuationLazyCopy -agentlib:DoContinueSingleStepTest -Djdk.defaultScheduler.parallelism=2 DoContinueSingleStepTest 150
+ * @run main/othervm/native -XX:+UseContinuationLazyCopy -agentlib:DoContinueSingleStepTest -Djdk.defaultScheduler.parallelism=2 DoContinueSingleStepTest 500
  */
 
 import java.util.concurrent.*;