8268443: ParallelGC Full GC should use parallel WeakProcessor

albertnetymk · Kim Barrett · albertnetymk · commit a95e64ccc1eb · 2021-06-10T14:32:46.000Z
Co-authored-by: Kim Barrett &lt;kbarrett@openjdk.org&gt;
Reviewed-by: kbarrett, sjohanss, tschatzl
diff --git a/src/hotspot/share/gc/parallel/psParallelCompact.cpp b/src/hotspot/share/gc/parallel/psParallelCompact.cpp
@@ -2114,7 +2114,10 @@ void PSParallelCompact::marking_phase(ParCompactionManager* cm,
 
   {
     GCTraceTime(Debug, gc, phases) tm("Weak Processing", &_gc_timer);
-    WeakProcessor::weak_oops_do(is_alive_closure(), &do_nothing_cl);
+    WeakProcessor::weak_oops_do(&ParallelScavengeHeap::heap()->workers(),
+                                is_alive_closure(),
+                                &do_nothing_cl,
+                                1);
   }
 
   {

Original file line number	Diff line number	Diff line change
`@@ -2114,7 +2114,10 @@ void PSParallelCompact::marking_phase(ParCompactionManager* cm,`
`2114`	`2114`
`2115`	`2115`	`{`
`2116`	`2116`	`GCTraceTime(Debug, gc, phases) tm("Weak Processing", &_gc_timer);`
`2117`		`- WeakProcessor::weak_oops_do(is_alive_closure(), &do_nothing_cl);`
	`2117`	`+ WeakProcessor::weak_oops_do(&ParallelScavengeHeap::heap()->workers(),`
	`2118`	`+ is_alive_closure(),`
	`2119`	`+ &do_nothing_cl,`
	`2120`	`+ 1);`
`2118`	`2121`	`}`
`2119`	`2122`
`2120`	`2123`	`{`