1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef API_CORE_PERF_CPU_TIMER_H
17 #define API_CORE_PERF_CPU_TIMER_H
18 
19 #include <cstdint>
20 
21 #include <render/namespace.h>
22 
RENDER_BEGIN_NAMESPACE()23 RENDER_BEGIN_NAMESPACE()
24 /**
25  * CpuTimer.
26  * Simple cpu timer class.
27  */
28 class CpuTimer {
29 public:
30     void Begin() noexcept;
31     void End() noexcept;
32 
33     int64_t GetMicroseconds() const noexcept;
34 
35 private:
36     int64_t begin_ {};
37     int64_t end_ {};
38 };
39 RENDER_END_NAMESPACE()
40 
41 #endif // API_CORE_PERF_CPU_TIMER_H
42