| /* |
| * 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. |
| */ |
| |
| #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_COMMON_SYSTEM_INFO_TRACKER_H_ |
| #define SRC_TRACE_PROCESSOR_IMPORTERS_COMMON_SYSTEM_INFO_TRACKER_H_ |
| |
| #include <optional> |
| |
| #include "perfetto/ext/base/string_view.h" |
| #include "src/trace_processor/types/destructible.h" |
| #include "src/trace_processor/types/trace_processor_context.h" |
| #include "src/trace_processor/types/version_number.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| class SystemInfoTracker : public Destructible { |
| public: |
| ~SystemInfoTracker() override; |
| |
| SystemInfoTracker(const SystemInfoTracker&) = delete; |
| SystemInfoTracker& operator=(const SystemInfoTracker&) = delete; |
| |
| static SystemInfoTracker* GetOrCreate(TraceProcessorContext* context) { |
| if (!context->system_info_tracker) { |
| context->system_info_tracker.reset(new SystemInfoTracker()); |
| } |
| return static_cast<SystemInfoTracker*>(context->system_info_tracker.get()); |
| } |
| |
| void SetKernelVersion(base::StringView name, base::StringView release); |
| |
| std::optional<VersionNumber> GetKernelVersion() { return version_; } |
| |
| private: |
| explicit SystemInfoTracker(); |
| |
| std::optional<VersionNumber> version_; |
| }; |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_IMPORTERS_COMMON_SYSTEM_INFO_TRACKER_H_ |