1 /* 2 * Copyright (C) 2020 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/proto/profile_packet_utils.h" 18 #include "perfetto/ext/base/string_utils.h" 19 20 namespace perfetto { 21 namespace trace_processor { 22 23 // static MakeMappingName(const std::vector<base::StringView> & path_components)24std::string ProfilePacketUtils::MakeMappingName( 25 const std::vector<base::StringView>& path_components) { 26 std::string name; 27 for (base::StringView p : path_components) { 28 name.push_back('/'); 29 name.append(p.data(), p.size()); 30 } 31 32 // When path strings just have single full path(like Chrome does), the mapping 33 // path gets an extra '/' prepended, strip the extra '/'. 34 if (base::StartsWith(name, "//")) { 35 name = name.substr(1); 36 } 37 return name; 38 } 39 40 } // namespace trace_processor 41 } // namespace perfetto 42