--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/shared/copyFailedInfo.hpp Wed May 13 15:16:06 2015 +0200
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2012, 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.
+ *
+ */
+
+#ifndef SHARE_VM_GC_SHARED_COPYFAILEDINFO_HPP
+#define SHARE_VM_GC_SHARED_COPYFAILEDINFO_HPP
+
+#include "runtime/thread.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+class CopyFailedInfo : public CHeapObj<mtGC> {
+ size_t _first_size;
+ size_t _smallest_size;
+ size_t _total_size;
+ uint _count;
+
+ public:
+ CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0) {}
+
+ virtual void register_copy_failure(size_t size) {
+ if (_first_size == 0) {
+ _first_size = size;
+ _smallest_size = size;
+ } else if (size < _smallest_size) {
+ _smallest_size = size;
+ }
+ _total_size += size;
+ _count++;
+ }
+
+ virtual void reset() {
+ _first_size = 0;
+ _smallest_size = 0;
+ _total_size = 0;
+ _count = 0;
+ }
+
+ bool has_failed() const { return _count != 0; }
+ size_t first_size() const { return _first_size; }
+ size_t smallest_size() const { return _smallest_size; }
+ size_t total_size() const { return _total_size; }
+ uint failed_count() const { return _count; }
+};
+
+class PromotionFailedInfo : public CopyFailedInfo {
+ OSThread* _thread;
+
+ public:
+ PromotionFailedInfo() : CopyFailedInfo(), _thread(NULL) {}
+
+ void register_copy_failure(size_t size) {
+ CopyFailedInfo::register_copy_failure(size);
+ if (_thread == NULL) {
+ _thread = Thread::current()->osthread();
+ } else {
+ assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local.");
+ }
+ }
+
+ void reset() {
+ CopyFailedInfo::reset();
+ _thread = NULL;
+ }
+
+ OSThread* thread() const { return _thread; }
+};
+
+class EvacuationFailedInfo : public CopyFailedInfo {};
+
+#endif /* SHARE_VM_GC_SHARED_COPYFAILEDINFO_HPP */