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1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_RUNTIME_GC_COLLECTOR_OBJECT_BYTE_PAIR_H_
18 #define ART_RUNTIME_GC_COLLECTOR_OBJECT_BYTE_PAIR_H_
19 
20 #include <inttypes.h>
21 
22 namespace art {
23 namespace gc {
24 namespace collector {
25 
26 struct ObjectBytePair {
27   explicit ObjectBytePair(uint64_t num_objects = 0, int64_t num_bytes = 0)
objectsObjectBytePair28       : objects(num_objects), bytes(num_bytes) {}
AddObjectBytePair29   void Add(const ObjectBytePair& other) {
30     objects += other.objects;
31     bytes += other.bytes;
32   }
33   // Number of objects which were freed.
34   uint64_t objects;
35   // Freed bytes are signed since the GC can free negative bytes if it promotes objects to a space
36   // which has a larger allocation size.
37   int64_t bytes;
38 };
39 
40 }  // namespace collector
41 }  // namespace gc
42 }  // namespace art
43 
44 #endif  // ART_RUNTIME_GC_COLLECTOR_OBJECT_BYTE_PAIR_H_
45