src/os/solaris/vm/os_solaris.cpp

@@ -357,10 +357,20 @@
   _processors_online = sysconf (_SC_NPROCESSORS_ONLN);
   _physical_memory = (julong)sysconf(_SC_PHYS_PAGES) * (julong)sysconf(_SC_PAGESIZE);
 }
 
 int os::active_processor_count() {
+  // User has overridden the number of active processors
+  if (ActiveProcessorCount > 0) {
+    if (Verbose) {
+      tty->print_cr("active_processor_count: "
+                    "active processor count set by user : %d",
+                     ActiveProcessorCount);
+    }
+    return ActiveProcessorCount;
+  }
+
   int online_cpus = sysconf(_SC_NPROCESSORS_ONLN);
   pid_t pid = getpid();
   psetid_t pset = PS_NONE;
   // Are we running in a processor set or is there any processor set around?
   if (pset_bind(PS_QUERY, P_PID, pid, &pset) == 0) {