46 constexpr std::optional<int32_t> EncodeDatumId(DatumId datum_id) {  in EncodeDatumId()
48     case DatumId::kClassVerificationTotalTime:  in EncodeDatumId()
51     case DatumId::kClassVerificationTotalTimeDelta:  in EncodeDatumId()
54     case DatumId::kJitMethodCompileTotalTime:  in EncodeDatumId()
57     case DatumId::kJitMethodCompileTotalTimeDelta:  in EncodeDatumId()
60     case DatumId::kClassLoadingTotalTime:  in EncodeDatumId()
63     case DatumId::kClassLoadingTotalTimeDelta:  in EncodeDatumId()
66     case DatumId::kClassVerificationCount:  in EncodeDatumId()
69     case DatumId::kClassVerificationCountDelta:  in EncodeDatumId()
72     case DatumId::kWorldStopTimeDuringGCAvg:  in EncodeDatumId()
75     case DatumId::kYoungGcCount:  in EncodeDatumId()
78     case DatumId::kYoungGcCountDelta:  in EncodeDatumId()
82     case DatumId::kFullGcCount:  in EncodeDatumId()
85     case DatumId::kFullGcCountDelta:  in EncodeDatumId()
88     case DatumId::kTotalBytesAllocated:  in EncodeDatumId()
91     case DatumId::kTotalBytesAllocatedDelta:  in EncodeDatumId()
94     case DatumId::kYoungGcCollectionTime:  in EncodeDatumId()
98     case DatumId::kFullGcCollectionTime:  in EncodeDatumId()
101     case DatumId::kYoungGcThroughput:  in EncodeDatumId()
105     case DatumId::kFullGcThroughput:  in EncodeDatumId()
109     case DatumId::kJitMethodCompileCount:  in EncodeDatumId()
112     case DatumId::kJitMethodCompileCountDelta:  in EncodeDatumId()
115     case DatumId::kYoungGcTracingThroughput:  in EncodeDatumId()
119     case DatumId::kFullGcTracingThroughput:  in EncodeDatumId()
123     case DatumId::kTotalGcCollectionTime:  in EncodeDatumId()
126     case DatumId::kTotalGcCollectionTimeDelta:  in EncodeDatumId()
129     case DatumId::kYoungGcThroughputAvg:  in EncodeDatumId()
132     case DatumId::kFullGcThroughputAvg:  in EncodeDatumId()
135     case DatumId::kYoungGcTracingThroughputAvg:  in EncodeDatumId()
138     case DatumId::kFullGcTracingThroughputAvg:  in EncodeDatumId()
141     case DatumId::kGcWorldStopTime:  in EncodeDatumId()
144     case DatumId::kGcWorldStopTimeDelta:  in EncodeDatumId()
147     case DatumId::kGcWorldStopCount:  in EncodeDatumId()
150     case DatumId::kGcWorldStopCountDelta:  in EncodeDatumId()
153     case DatumId::kYoungGcScannedBytes:  in EncodeDatumId()
156     case DatumId::kYoungGcScannedBytesDelta:  in EncodeDatumId()
160     case DatumId::kYoungGcFreedBytes:  in EncodeDatumId()
163     case DatumId::kYoungGcFreedBytesDelta:  in EncodeDatumId()
167     case DatumId::kYoungGcDuration:  in EncodeDatumId()
170     case DatumId::kYoungGcDurationDelta:  in EncodeDatumId()
174     case DatumId::kFullGcScannedBytes:  in EncodeDatumId()
177     case DatumId::kFullGcScannedBytesDelta:  in EncodeDatumId()
181     case DatumId::kFullGcFreedBytes:  in EncodeDatumId()
184     case DatumId::kFullGcFreedBytesDelta:  in EncodeDatumId()
188     case DatumId::kFullGcDuration:  in EncodeDatumId()
191     case DatumId::kFullGcDurationDelta:  in EncodeDatumId()
195     case DatumId::kTimeElapsedDelta:  in EncodeDatumId()
361   void ReportCounter(DatumId counter_type, uint64_t value) override {  in ReportCounter()
369 #define EVENT_METRIC_CASE(name, ...) case DatumId::k##name:  in ReportCounter()
375 #define VALUE_METRIC_CASE(name, type, ...) case DatumId::k##name:  in ReportCounter()
399   void ReportHistogram(DatumId /*histogram_type*/,  in ReportHistogram()  argument