| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // 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 COBALT_BROWSER_MEMORY_TRACKER_TOOL_PRINT_CSV_TOOL_H_ |
| #define COBALT_BROWSER_MEMORY_TRACKER_TOOL_PRINT_CSV_TOOL_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "cobalt/browser/memory_tracker/tool/params.h" |
| #include "cobalt/browser/memory_tracker/tool/tool_impl.h" |
| |
| namespace cobalt { |
| namespace browser { |
| namespace memory_tracker { |
| |
| // Generates CSV values of the engine. |
| // There are three sections of data including: |
| // 1. average bytes / alloc |
| // 2. # Bytes allocated per memory scope. |
| // 3. # Allocations per memory scope. |
| // This data can be pasted directly into a Google spreadsheet and visualized. |
| // Note that this thread will implicitly call Start() is called during |
| // construction and Cancel() & Join() during destruction. |
| class PrintCSVTool : public AbstractTool { |
| public: |
| // This tool will only produce on CSV dump of the engine. This is useful |
| // for profiling startup memory consumption. |
| PrintCSVTool(int sampling_interval_ms, int sampling_time_ms); |
| |
| // Overridden so that the thread can exit gracefully. |
| virtual void Run(Params* params) OVERRIDE; |
| virtual std::string tool_name() const OVERRIDE { |
| return "MemoryTrackerPrintCSV"; |
| } |
| |
| private: |
| typedef std::map<std::string, AllocationSamples> MapAllocationSamples; |
| static std::string ToCsvString(const MapAllocationSamples& samples); |
| static const char* UntrackedMemoryKey(); |
| bool TimeExpiredYet(const Params& params); |
| |
| const int sample_interval_ms_; |
| const int sampling_time_ms_; |
| }; |
| |
| } // namespace memory_tracker |
| } // namespace browser |
| } // namespace cobalt |
| |
| #endif // COBALT_BROWSER_MEMORY_TRACKER_TOOL_PRINT_CSV_TOOL_H_ |