1 /* 2 * Copyright (C) 2023 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 SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_PKVM_HYP_CPU_TRACKER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_PKVM_HYP_CPU_TRACKER_H_ 19 20 #include "perfetto/ext/base/string_view.h" 21 #include "perfetto/protozero/field.h" 22 #include "src/trace_processor/storage/trace_storage.h" 23 24 namespace perfetto { 25 namespace trace_processor { 26 27 class TraceProcessorContext; 28 29 // Handles parsing and showing hypervisor events in the UI. 30 // TODO(b/249050813): link to the documentation once it's available in AOSP. 31 class PkvmHypervisorCpuTracker { 32 public: 33 explicit PkvmHypervisorCpuTracker(TraceProcessorContext*); 34 35 static bool IsPkvmHypervisorEvent(uint32_t /*event_id*/); 36 37 void ParseHypEvent(uint32_t cput, 38 int64_t timestamp, 39 uint32_t event_id, 40 protozero::ConstBytes blob); 41 42 private: 43 void ParseHypEnter(uint32_t cpu, int64_t timestamp); 44 void ParseHypExit(uint32_t cpu, int64_t timestamp); 45 void ParseHostHcall(uint32_t cpu, protozero::ConstBytes blob); 46 void ParseHostSmc(uint32_t cpu, protozero::ConstBytes blob); 47 void ParseHostMemAbort(uint32_t cpu, protozero::ConstBytes blob); 48 49 TraceProcessorContext* context_; 50 const StringId category_; 51 const StringId slice_name_; 52 const StringId hyp_enter_reason_; 53 }; 54 55 } // namespace trace_processor 56 } // namespace perfetto 57 58 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_PKVM_HYP_CPU_TRACKER_H_ 59