1 /* 2 * Copyright (C) 2024 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 #include "src/trace_processor/importers/perf/aux_record.h" 18 #include <cstdint> 19 20 #include "perfetto/base/status.h" 21 #include "perfetto/trace_processor/trace_blob_view.h" 22 #include "src/trace_processor/importers/perf/reader.h" 23 #include "src/trace_processor/importers/perf/record.h" 24 #include "src/trace_processor/importers/perf/sample_id.h" 25 #include "src/trace_processor/importers/perf/util.h" 26 27 namespace perfetto::trace_processor::perf_importer { 28 // static Parse(const Record & record)29base::Status AuxRecord::Parse(const Record& record) { 30 attr = record.attr; 31 Reader reader(record.payload.copy()); 32 if (!reader.Read(offset) || !reader.Read(size) || !reader.Read(flags)) { 33 return base::ErrStatus("Failed to parse AUX record"); 34 } 35 36 uint64_t unused; 37 if (!SafeAdd(offset, size, &unused)) { 38 return base::ErrStatus("AUX record overflows"); 39 } 40 41 if (!record.has_trailing_sample_id()) { 42 sample_id.reset(); 43 return base::OkStatus(); 44 } 45 46 sample_id.emplace(); 47 return sample_id->ParseFromRecord(record); 48 } 49 50 } // namespace perfetto::trace_processor::perf_importer 51