src/share/vm/gc/shared/workerManager.hpp

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

*** 56,66 ****
      uint end = MIN2(active_workers, total_workers);
      for (uint worker_id = start; worker_id < end; worker_id += 1) {
        WorkerThread* new_worker = holder->install_worker(worker_id);
        assert(new_worker != NULL, "Failed to allocate GangWorker");
        if (new_worker == NULL || !os::create_thread(new_worker, worker_type)) {
!         if(initializing) {
            vm_exit_out_of_memory(0, OOM_MALLOC_ERROR,
                    "Cannot create worker GC thread. Out of system resources.");
          }
        }
        created_workers++;
--- 56,66 ----
      uint end = MIN2(active_workers, total_workers);
      for (uint worker_id = start; worker_id < end; worker_id += 1) {
        WorkerThread* new_worker = holder->install_worker(worker_id);
        assert(new_worker != NULL, "Failed to allocate GangWorker");
        if (new_worker == NULL || !os::create_thread(new_worker, worker_type)) {
!         if (initializing) {
            vm_exit_out_of_memory(0, OOM_MALLOC_ERROR,
                    "Cannot create worker GC thread. Out of system resources.");
          }
        }
        created_workers++;
*** 77,87 ****
                                    uint active_workers,
                                    uint created_workers,
                                    bool initializing) {
      if (previous_created_workers < created_workers) {
        const char* initializing_msg =  initializing ? "Adding initial" : "Creating additional";
!       log_trace(gc, task)("%s %s(s) active workers %u created workers %u",
!         initializing_msg, holder->group_name(), active_workers, created_workers);
      }
    }
  };
  #endif // SHARE_VM_GC_SHARED_WORKERMANAGER_HPP
--- 77,87 ----
                                    uint active_workers,
                                    uint created_workers,
                                    bool initializing) {
      if (previous_created_workers < created_workers) {
        const char* initializing_msg =  initializing ? "Adding initial" : "Creating additional";
!       log_trace(gc, task)("%s %s(s) previously created workers %u active workers %u total created workers %u",
!                           initializing_msg, holder->group_name(), previous_created_workers, active_workers, created_workers);
      }
    }
  };
  #endif // SHARE_VM_GC_SHARED_WORKERMANAGER_HPP