1.1 --- a/src/share/vm/gc_implementation/g1/concurrentMark.cpp Thu Dec 15 19:48:32 2016 -0500
1.2 +++ b/src/share/vm/gc_implementation/g1/concurrentMark.cpp Thu Dec 15 20:00:01 2016 -0500
1.3 @@ -1,5 +1,5 @@
1.4 /*
1.5 - * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
1.7 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 *
1.9 * This code is free software; you can redistribute it and/or modify it
1.10 @@ -631,11 +631,10 @@
1.11 double overall_cm_overhead =
1.12 (double) MaxGCPauseMillis * marking_overhead /
1.13 (double) GCPauseIntervalMillis;
1.14 - double cpu_ratio = 1.0 / (double) os::processor_count();
1.15 + double cpu_ratio = 1.0 / os::initial_active_processor_count();
1.16 double marking_thread_num = ceil(overall_cm_overhead / cpu_ratio);
1.17 double marking_task_overhead =
1.18 - overall_cm_overhead / marking_thread_num *
1.19 - (double) os::processor_count();
1.20 + overall_cm_overhead / marking_thread_num * os::initial_active_processor_count();
1.21 double sleep_factor =
1.22 (1.0 - marking_task_overhead) / marking_task_overhead;
1.23
