[Misc] change default gc in aarch64 from CMS to PS

Summary: The same as title Test Plan: CICD Reviewed-by: D-D-H, yuleil Issue: #548
dragonwell-project · Jul 11, 2023 · 55698c6 · 55698c6
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commit 55698c6
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diff --git a/hotspot/src/share/vm/runtime/arguments.cpp b/hotspot/src/share/vm/runtime/arguments.cpp
@@ -1605,7 +1605,11 @@ void Arguments::select_gc_ergonomically() {
 
 void Arguments::select_gc() {
   if (!gc_selected()) {
+#ifdef AARCH64
+    select_gc_ergonomically();
+#else
     FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true);
+#endif
   }
 }
 

diff --git a/hotspot/test/gc/TestDefaultGC.sh b/hotspot/test/gc/TestDefaultGC.sh
@@ -25,7 +25,13 @@
 # @run shell TestDefaultGC.sh
 #
 
+
+arch=$(uname -m)
+if [[ ${arch} == 'aarch64' ]]; then
+${TESTJAVA}/bin/java -XX:+PrintFlagsFinal -version | grep UseParallelGC |grep true
+else
 ${TESTJAVA}/bin/java -XX:+PrintFlagsFinal -version | grep UseConcMarkSweepGC |grep true
+fi
 
 if [ "0" == $? ];
 then