--- a/jdk/src/solaris/bin/ergo.c Tue Mar 08 15:10:48 2011 -0800
+++ b/jdk/src/solaris/bin/ergo.c Wed Mar 09 19:52:48 2011 -0500
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -67,6 +67,35 @@
}
}
+#ifdef USE_GENERIC_ERGO
+/* Ask the OS how many processors there are. */
+static unsigned long
+physical_processors(void) {
+ const unsigned long sys_processors = sysconf(_SC_NPROCESSORS_CONF);
+ JLI_TraceLauncher("sysconf(_SC_NPROCESSORS_CONF): %lu\n", sys_processors);
+ return sys_processors;
+}
+
+jboolean
+ServerClassMachineImpl(void) {
+ jboolean result = JNI_FALSE;
+ /* How big is a server class machine? */
+ const unsigned long server_processors = 2UL;
+ const uint64_t server_memory = 2UL * GB;
+ const uint64_t actual_memory = physical_memory();
+
+ /* Is this a server class machine? */
+ if (actual_memory >= server_memory) {
+ const unsigned long actual_processors = physical_processors();
+ if (actual_processors >= server_processors) {
+ result = JNI_TRUE;
+ }
+ }
+ JLI_TraceLauncher("unix_" LIBARCHNAME "_ServerClassMachine: %s\n",
+ (result == JNI_TRUE ? "JNI_TRUE" : "JNI_FALSE"));
+ return result;
+}
+#endif
/* Compute physical memory by asking the OS */
uint64_t