--- a/src/hotspot/os/windows/os_windows.cpp Wed Nov 15 08:25:28 2017 -0500
+++ b/src/hotspot/os/windows/os_windows.cpp Wed Nov 15 10:34:17 2017 -0500
@@ -723,6 +723,14 @@
}
int os::active_processor_count() {
+ // User has overridden the number of active processors
+ if (ActiveProcessorCount > 0) {
+ log_trace(os)("active_processor_count: "
+ "active processor count set by user : %d",
+ ActiveProcessorCount);
+ return ActiveProcessorCount;
+ }
+
DWORD_PTR lpProcessAffinityMask = 0;
DWORD_PTR lpSystemAffinityMask = 0;
int proc_count = processor_count();