src/share/vm/gc/g1/g1ConcurrentMark.cpp

rev 11623 : [mq]: fix-initial-active-processor-count

*** 414,428 ****
      // on a target overhead with respect to the soft real-time goal
      double marking_overhead = (double) G1MarkingOverheadPercent / 100.0;
      double overall_cm_overhead =
        (double) MaxGCPauseMillis * marking_overhead /
        (double) GCPauseIntervalMillis;
!     double cpu_ratio = 1.0 / (double) os::processor_count();
      double marking_thread_num = ceil(overall_cm_overhead / cpu_ratio);
      double marking_task_overhead =
!       overall_cm_overhead / marking_thread_num *
!                                               (double) os::processor_count();
      double sleep_factor =
                         (1.0 - marking_task_overhead) / marking_task_overhead;
  
      FLAG_SET_ERGO(uint, ConcGCThreads, (uint) marking_thread_num);
      _sleep_factor             = sleep_factor;
--- 414,427 ----
      // on a target overhead with respect to the soft real-time goal
      double marking_overhead = (double) G1MarkingOverheadPercent / 100.0;
      double overall_cm_overhead =
        (double) MaxGCPauseMillis * marking_overhead /
        (double) GCPauseIntervalMillis;
!     double cpu_ratio = 1.0 / os::initial_active_processor_count();
      double marking_thread_num = ceil(overall_cm_overhead / cpu_ratio);
      double marking_task_overhead =
!       overall_cm_overhead / marking_thread_num * os::initial_active_processor_count();
      double sleep_factor =
                         (1.0 - marking_task_overhead) / marking_task_overhead;
  
      FLAG_SET_ERGO(uint, ConcGCThreads, (uint) marking_thread_num);
      _sleep_factor             = sleep_factor;