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_MITIGATIONSTATSREPORTER_H
18 #define HARDWARE_GOOGLE_PIXEL_PIXELSTATS_MITIGATIONSTATSREPORTER_H
19 
20 #include <map>
21 #include <string>
22 
23 #include <aidl/android/frameworks/stats/IStats.h>
24 #include <hardware/google/pixel/pixelstats/pixelatoms.pb.h>
25 
26 namespace android {
27 namespace hardware {
28 namespace google {
29 namespace pixel {
30 
31 using aidl::android::frameworks::stats::IStats;
32 using aidl::android::frameworks::stats::VendorAtomValue;
33 
34 /**
35  * A class to upload Pixel Mitigation Stats metrics
36  */
37 class MitigationStatsReporter {
38   public:
39     MitigationStatsReporter();
40     void logMitigationStatsPerHour(const std::shared_ptr<IStats> &stats_client,
41                                    const std::string &path);
42 
43   private:
44     struct MitigationCount {
45         int batoilo_count;
46         int vdroop1_count;
47         int vdroop2_count;
48         int smpl_warn_count;
49         int ocp_cpu1_count;
50         int ocp_cpu2_count;
51         int ocp_tpu_count;
52         int ocp_gpu_count;
53         int soft_ocp_cpu1_count;
54         int soft_ocp_cpu2_count;
55         int soft_ocp_tpu_count;
56         int soft_ocp_gpu_count;
57     };
58 
59     struct MitigationCap {
60         int batoilo_cap;
61         int vdroop1_cap;
62         int vdroop2_cap;
63         int smpl_warn_cap;
64         int ocp_cpu1_cap;
65         int ocp_cpu2_cap;
66         int ocp_tpu_cap;
67         int ocp_gpu_cap;
68         int soft_ocp_cpu1_cap;
69         int soft_ocp_cpu2_cap;
70         int soft_ocp_tpu_cap;
71         int soft_ocp_gpu_cap;
72     };
73 
74     // Proto messages are 1-indexed and VendorAtom field numbers start at 2, so
75     // store everything in the values array at the index of the field number
76     // -2.
77     const int kVendorAtomOffset = 2;
78     struct MitigationCount prev_count;
79 
80     bool logMitigationCount(const std::string kMitigationDir, struct MitigationCount *last_count);
81     void logMitigationCap(const std::string kMitigationDir, struct MitigationCap *last_cap);
82     bool ReadFileToInt(const std::string &path, int *val);
83 };
84 
85 }  // namespace pixel
86 }  // namespace google
87 }  // namespace hardware
88 }  // namespace android
89 
90 #endif  // HARDWARE_GOOGLE_PIXEL_PIXELSTATS_MITIGATIONSTATSREPORTER_H
91