1 /*
2  * Copyright (C) 2021 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 HARDWARE_GOOGLE_PIXEL_PIXELSTATS_THERMALSTATSREPORTER_H
18 #define HARDWARE_GOOGLE_PIXEL_PIXELSTATS_THERMALSTATSREPORTER_H
19 
20 #include <aidl/android/frameworks/stats/IStats.h>
21 #include <hardware/google/pixel/pixelstats/pixelatoms.pb.h>
22 
23 #include <string>
24 
25 namespace android {
26 namespace hardware {
27 namespace google {
28 namespace pixel {
29 
30 using aidl::android::frameworks::stats::IStats;
31 using aidl::android::frameworks::stats::VendorAtomValue;
32 
33 /**
34  * A class to upload Pixel Thermal Stats metrics
35  */
36 class ThermalStatsReporter {
37   public:
38     ThermalStatsReporter();
39     void logThermalStats(const std::shared_ptr<IStats> &stats_client,
40                          const std::vector<std::string> &thermal_stats_paths);
41 
42   private:
43     struct ThermalDfsCounts {
44         int64_t big_count;
45         int64_t mid_count;
46         int64_t little_count;
47         int64_t gpu_count;
48         int64_t tpu_count;
49         int64_t aur_count;
50     };
51 
52     // Proto messages are 1-indexed and VendorAtom field numbers start at 2, so
53     // store everything in the values array at the index of the field number
54     // -2.
55     const int kVendorAtomOffset = 2;
56     const int kNumOfThermalDfsStats = 6;
57     struct ThermalDfsCounts prev_data;
58 
59     void logThermalDfsStats(const std::shared_ptr<IStats> &stats_client,
60                             const std::vector<std::string> &thermal_stats_paths);
61     bool captureThermalDfsStats(const std::vector<std::string> &thermal_stats_paths,
62                                 struct ThermalDfsCounts *cur_data);
63     bool readDfsCount(const std::string &path, int64_t *val);
64 };
65 
66 }  // namespace pixel
67 }  // namespace google
68 }  // namespace hardware
69 }  // namespace android
70 
71 #endif  // HARDWARE_GOOGLE_PIXEL_PIXELSTATS_THERMALSTATSREPORTER_H
72