src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp

rev 59533 : 8246097: Shenandoah: limit parallelism in CLDG root handling
Reviewed-by: XXX

*** 1658,1668 ****
  
  public:
    ShenandoahConcurrentRootsEvacUpdateTask(ShenandoahPhaseTimings::Phase phase) :
      AbstractGangTask("Shenandoah Evacuate/Update Concurrent Strong Roots Task"),
      _vm_roots(phase),
!     _cld_roots(phase) {}
  
    void work(uint worker_id) {
      ShenandoahConcurrentWorkerSession worker_session(worker_id);
      ShenandoahEvacOOMScope oom;
      {
--- 1658,1668 ----
  
  public:
    ShenandoahConcurrentRootsEvacUpdateTask(ShenandoahPhaseTimings::Phase phase) :
      AbstractGangTask("Shenandoah Evacuate/Update Concurrent Strong Roots Task"),
      _vm_roots(phase),
!     _cld_roots(phase, ShenandoahHeap::heap()->workers()->active_workers()) {}
  
    void work(uint worker_id) {
      ShenandoahConcurrentWorkerSession worker_session(worker_id);
      ShenandoahEvacOOMScope oom;
      {
*** 1779,1789 ****
      AbstractGangTask("Shenandoah Concurrent Weak Root Task"),
      _jni_roots(OopStorageSet::jni_weak(), phase, ShenandoahPhaseTimings::JNIWeakRoots),
      _string_table_roots(OopStorageSet::string_table_weak(), phase, ShenandoahPhaseTimings::StringTableRoots),
      _resolved_method_table_roots(OopStorageSet::resolved_method_table_weak(), phase, ShenandoahPhaseTimings::ResolvedMethodTableRoots),
      _vm_roots(OopStorageSet::vm_weak(), phase, ShenandoahPhaseTimings::VMWeakRoots),
!     _cld_roots(phase),
      _nmethod_itr(ShenandoahCodeRoots::table()),
      _concurrent_class_unloading(ShenandoahConcurrentRoots::should_do_concurrent_class_unloading()) {
      StringTable::reset_dead_counter();
      ResolvedMethodTable::reset_dead_counter();
      if (_concurrent_class_unloading) {
--- 1779,1789 ----
      AbstractGangTask("Shenandoah Concurrent Weak Root Task"),
      _jni_roots(OopStorageSet::jni_weak(), phase, ShenandoahPhaseTimings::JNIWeakRoots),
      _string_table_roots(OopStorageSet::string_table_weak(), phase, ShenandoahPhaseTimings::StringTableRoots),
      _resolved_method_table_roots(OopStorageSet::resolved_method_table_weak(), phase, ShenandoahPhaseTimings::ResolvedMethodTableRoots),
      _vm_roots(OopStorageSet::vm_weak(), phase, ShenandoahPhaseTimings::VMWeakRoots),
!     _cld_roots(phase, ShenandoahHeap::heap()->workers()->active_workers()),
      _nmethod_itr(ShenandoahCodeRoots::table()),
      _concurrent_class_unloading(ShenandoahConcurrentRoots::should_do_concurrent_class_unloading()) {
      StringTable::reset_dead_counter();
      ResolvedMethodTable::reset_dead_counter();
      if (_concurrent_class_unloading) {