aoqi@0: /*
aoqi@0:  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP
aoqi@0: #define SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP
aoqi@0: 
aoqi@0: #include "runtime/thread.hpp"
aoqi@0: #include "utilities/globalDefinitions.hpp"
aoqi@0: 
aoqi@0: class CopyFailedInfo : public CHeapObj<mtGC> {
aoqi@0:   size_t    _first_size;
aoqi@0:   size_t    _smallest_size;
aoqi@0:   size_t    _total_size;
aoqi@0:   uint      _count;
aoqi@0: 
aoqi@0:  public:
aoqi@0:   CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0) {}
aoqi@0: 
aoqi@0:   virtual void register_copy_failure(size_t size) {
aoqi@0:     if (_first_size == 0) {
aoqi@0:       _first_size = size;
aoqi@0:       _smallest_size = size;
aoqi@0:     } else if (size < _smallest_size) {
aoqi@0:       _smallest_size = size;
aoqi@0:     }
aoqi@0:     _total_size += size;
aoqi@0:     _count++;
aoqi@0:   }
aoqi@0: 
aoqi@0:   virtual void reset() {
aoqi@0:     _first_size = 0;
aoqi@0:     _smallest_size = 0;
aoqi@0:     _total_size = 0;
aoqi@0:     _count = 0;
aoqi@0:   }
aoqi@0: 
aoqi@0:   bool has_failed() const { return _count != 0; }
aoqi@0:   size_t first_size() const { return _first_size; }
aoqi@0:   size_t smallest_size() const { return _smallest_size; }
aoqi@0:   size_t total_size() const { return _total_size; }
aoqi@0:   uint failed_count() const { return _count; }
aoqi@0: };
aoqi@0: 
aoqi@0: class PromotionFailedInfo : public CopyFailedInfo {
aoqi@0:   OSThread* _thread;
aoqi@0: 
aoqi@0:  public:
aoqi@0:   PromotionFailedInfo() : CopyFailedInfo(), _thread(NULL) {}
aoqi@0: 
aoqi@0:   void register_copy_failure(size_t size) {
aoqi@0:     CopyFailedInfo::register_copy_failure(size);
aoqi@0:     if (_thread == NULL) {
aoqi@0:       _thread = Thread::current()->osthread();
aoqi@0:     } else {
aoqi@0:       assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local.");
aoqi@0:     }
aoqi@0:   }
aoqi@0: 
aoqi@0:   void reset() {
aoqi@0:     CopyFailedInfo::reset();
aoqi@0:     _thread = NULL;
aoqi@0:   }
aoqi@0: 
aoqi@0:   OSThread* thread() const { return _thread; }
aoqi@0: };
aoqi@0: 
aoqi@0: class EvacuationFailedInfo : public CopyFailedInfo {};
aoqi@0: 
aoqi@0: #endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP */