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/mmap_record.h" 18 19 #include <optional> 20 21 #include "perfetto/base/status.h" 22 #include "src/trace_processor/importers/perf/reader.h" 23 #include "src/trace_processor/importers/perf/record.h" 24 25 namespace perfetto::trace_processor::perf_importer { 26 Parse(const Record & record)27base::Status MmapRecord::Parse(const Record& record) { 28 Reader reader(record.payload.copy()); 29 if (!reader.Read(*static_cast<CommonMmapRecordFields*>(this)) || 30 !reader.ReadCString(filename)) { 31 return base::ErrStatus("Failed to parse MMAP record"); 32 } 33 cpu_mode = record.GetCpuMode(); 34 return base::OkStatus(); 35 } 36 Parse(const Record & record)37base::Status Mmap2Record::Parse(const Record& record) { 38 Reader reader(record.payload.copy()); 39 if (!reader.Read(*static_cast<BaseMmap2Record*>(this)) || 40 !reader.ReadCString(filename)) { 41 return base::ErrStatus("Failed to parse MMAP record"); 42 } 43 44 has_build_id = record.mmap_has_build_id(); 45 46 if (has_build_id && build_id.build_id_size > 47 BaseMmap2Record::BuildIdFields::kMaxBuildIdSize) { 48 return base::ErrStatus( 49 "Invalid build_id_size in MMAP2 record. Expected <= %zu but found " 50 "%" PRIu8, 51 BaseMmap2Record::BuildIdFields::kMaxBuildIdSize, 52 build_id.build_id_size); 53 } 54 55 cpu_mode = record.GetCpuMode(); 56 57 return base::OkStatus(); 58 } 59 GetBuildId() const60std::optional<BuildId> Mmap2Record::GetBuildId() const { 61 return has_build_id ? std::make_optional(BuildId::FromRaw(std::string( 62 build_id.build_id_buf, build_id.build_id_size))) 63 : std::nullopt; 64 } 65 66 } // namespace perfetto::trace_processor::perf_importer 67