1 /*
2  * Copyright (C) 2019 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 #ifndef CSTATERESIDENCYDATAPROVIDER_H
17 #define CSTATERESIDENCYDATAPROVIDER_H
18 
19 #include "PowerStatsCollector.h"
20 
21 /**
22  * C-state residency data provider:
23  * Provides C-state residency information for each of the CPUs and L3 cache.
24  **/
25 
26 class CstateResidencyDataProvider : public IPowerStatProvider {
27   public:
28     CstateResidencyDataProvider() = default;
29     PowerStatCase typeOf() const override;
30   private:
31     int getImpl(PowerStatistic* stat) const override;
32     int getImpl(const PowerStatistic& start, PowerStatistic* interval) const override;
33     void dumpImpl(const PowerStatistic& stat, std::ostream* output) const override;
34 };
35 
36 #endif  // CSTATERESIDENCYDATAPROVIDER_H
37