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 #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_PERF_TEXT_PERF_TEXT_SAMPLE_LINE_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_PERF_TEXT_PERF_TEXT_SAMPLE_LINE_PARSER_H_ 19 20 #include <cstddef> 21 #include <cstdint> 22 #include <optional> 23 #include <string> 24 #include <string_view> 25 26 namespace perfetto::trace_processor::perf_text_importer { 27 28 struct SampleLine { 29 std::string comm; 30 std::optional<uint32_t> pid; 31 uint32_t tid; 32 std::optional<uint32_t> cpu; 33 int64_t ts; 34 }; 35 36 // Given a single line of a perf text sample, parses it into its components and 37 // returns the result. If parsing was not possible, returns std::nullopt. 38 std::optional<SampleLine> ParseSampleLine(std::string_view line); 39 40 // Given a chunk of a trace file (starting at `ptr` and containing `size` 41 // bytes), returns whether the file is a perf text format trace. 42 bool IsPerfTextFormatTrace(const uint8_t* ptr, size_t size); 43 44 } // namespace perfetto::trace_processor::perf_text_importer 45 46 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_PERF_TEXT_PERF_TEXT_SAMPLE_LINE_PARSER_H_ 47