| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "src/trace_processor/importers/common/system_info_tracker.h" |
| #include "perfetto/ext/base/string_utils.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| SystemInfoTracker::SystemInfoTracker() {} |
| SystemInfoTracker::~SystemInfoTracker() = default; |
| |
| void SystemInfoTracker::SetKernelVersion(base::StringView name, |
| base::StringView release) { |
| if (name.empty() || release.empty() || name != "Linux") { |
| version_ = std::nullopt; |
| return; |
| } |
| |
| size_t first_dot_pos = release.find("."); |
| size_t second_dot_pos = release.find(".", first_dot_pos + 1); |
| auto major_version = |
| base::StringToUInt32(release.substr(0, first_dot_pos).ToStdString()); |
| auto minor_version = base::StringToUInt32( |
| release.substr(first_dot_pos + 1, second_dot_pos - (first_dot_pos + 1)) |
| .ToStdString()); |
| version_ = VersionNumber{major_version.value(), minor_version.value()}; |
| } |
| |
| } // namespace trace_processor |
| } // namespace perfetto |