1 files changed, 10 insertions, 0 deletions
diff --git a/src/os/windows/vm/os_windows.cpp b/src/os/windows/vm/os_windows.cpp
index b5b8fa1e5..f30423903 100644
--- a/src/os/windows/vm/os_windows.cpp
+++ b/src/os/windows/vm/os_windows.cpp
@@ -716,6 +716,16 @@ typedef UINT_PTR DWORD_PTR;
 #endif
 
 int os::active_processor_count() {
+  // User has overridden the number of active processors
+  if (ActiveProcessorCount > 0) {
+    if (PrintActiveCpus) {
+      tty->print_cr("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();