--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/shared/generationCounters.cpp	Wed May 13 15:16:06 2015 +0200
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2002, 2015, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "gc/shared/generationCounters.hpp"
+#include "memory/resourceArea.hpp"
+
+void GenerationCounters::initialize(const char* name, int ordinal, int spaces,
+                                    size_t min_capacity, size_t max_capacity,
+                                    size_t curr_capacity) {
+  if (UsePerfData) {
+    EXCEPTION_MARK;
+    ResourceMark rm;
+
+    const char* cns = PerfDataManager::name_space("generation", ordinal);
+
+    _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
+    strcpy(_name_space, cns);
+
+    const char* cname = PerfDataManager::counter_name(_name_space, "name");
+    PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
+
+    cname = PerfDataManager::counter_name(_name_space, "spaces");
+    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
+                                     spaces, CHECK);
+
+    cname = PerfDataManager::counter_name(_name_space, "minCapacity");
+    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
+                                     min_capacity, CHECK);
+
+    cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
+    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
+                                     max_capacity, CHECK);
+
+    cname = PerfDataManager::counter_name(_name_space, "capacity");
+    _current_size =
+      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
+                                       curr_capacity, CHECK);
+  }
+}
+
+GenerationCounters::GenerationCounters(const char* name,
+                                       int ordinal, int spaces,
+                                       size_t min_capacity, size_t max_capacity,
+                                       VirtualSpace* v)
+  : _virtual_space(v) {
+  assert(v != NULL, "don't call this constructor if v == NULL");
+  initialize(name, ordinal, spaces,
+             min_capacity, max_capacity, v->committed_size());
+}
+
+GenerationCounters::GenerationCounters(const char* name,
+                                       int ordinal, int spaces,
+                                       size_t min_capacity, size_t max_capacity,
+                                       size_t curr_capacity)
+  : _virtual_space(NULL) {
+  initialize(name, ordinal, spaces, min_capacity, max_capacity, curr_capacity);
+}
+
+void GenerationCounters::update_all() {
+  assert(_virtual_space != NULL, "otherwise, override this method");
+  _current_size->set_value(_virtual_space->committed_size());
+}