src/share/vm/gc/parallel/gcTaskManager.cpp

rev 11508 : 8157240: GC task trace logging is incomprehensible
Reviewed-by: tschatzl
rev 11509 : imported patch code_review2

*** 384,400 ****
    return new_worker;
  }
  
  void GCTaskManager::add_workers(bool initializing) {
    os::ThreadType worker_type = os::pgc_thread;
    _created_workers = WorkerManager::add_workers(this,
                                                  _active_workers,
!                                                 (uint) _workers,
                                                  _created_workers,
                                                  worker_type,
                                                  initializing);
    _active_workers = MIN2(_created_workers, _active_workers);
  }
  
  void GCTaskManager::initialize() {
    if (TraceGCTaskManager) {
      tty->print_cr("GCTaskManager::initialize: workers: %u", workers());
--- 384,408 ----
    return new_worker;
  }
  
  void GCTaskManager::add_workers(bool initializing) {
    os::ThreadType worker_type = os::pgc_thread;
+   uint previous_created_workers = _created_workers;
+ 
    _created_workers = WorkerManager::add_workers(this,
                                                  _active_workers,
!                                                 _workers,
                                                  _created_workers,
                                                  worker_type,
                                                  initializing);
    _active_workers = MIN2(_created_workers, _active_workers);
+ 
+   WorkerManager::log_worker_creation(this, previous_created_workers, _active_workers, _created_workers, initializing);
+ }
+ 
+ const char* GCTaskManager::group_name() {
+   return "ParGC Thread";
  }
  
  void GCTaskManager::initialize() {
    if (TraceGCTaskManager) {
      tty->print_cr("GCTaskManager::initialize: workers: %u", workers());