8271722: [TESTBUG] gc/g1/TestMixedGCLiveThreshold.java can fail if G1 Full GC uses >1 workers

Reviewed-by: ayang, tschatzl
2021-08-05 07:31:14 +00:00 · 2021-08-05 07:31:14 +00:00 · 4abe531140
commit 4abe531140
parent ea9a59520d
1 changed files with 2 additions and 0 deletions
--- a/test/hotspot/jtreg/gc/g1/TestMixedGCLiveThreshold.java
+++ b/test/hotspot/jtreg/gc/g1/TestMixedGCLiveThreshold.java
@ -99,6 +99,8 @@ public class TestMixedGCLiveThreshold {
                                       "-XX:+UnlockDiagnosticVMOptions",
                                       "-XX:+UnlockExperimentalVMOptions",
                                       "-XX:+WhiteBoxAPI",
+                                       // Parallel full gc can distribute live objects into different regions.
+                                       "-XX:ParallelGCThreads=1",
                                       "-Xlog:gc+remset+tracking=trace",
                                       "-Xms10M",
                                       "-Xmx10M"});