--- a/src/hotspot/os/aix/os_aix.cpp Wed Nov 15 08:25:28 2017 -0500
+++ b/src/hotspot/os/aix/os_aix.cpp Wed Nov 15 10:34:17 2017 -0500
@@ -3545,6 +3545,14 @@
};
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;
+ }
+
int online_cpus = ::sysconf(_SC_NPROCESSORS_ONLN);
assert(online_cpus > 0 && online_cpus <= processor_count(), "sanity check");
return online_cpus;