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

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

@@ -414,15 +414,14 @@
     // 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 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 *
-                                              (double) os::processor_count();
+      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;