| // Copyright 2020 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SERVICES_RESOURCE_COORDINATOR_MEMORY_INSTRUMENTATION_GLOBAL_DUMP_GRAPH_CONVERTER_H_ |
| #define SERVICES_RESOURCE_COORDINATOR_MEMORY_INSTRUMENTATION_GLOBAL_DUMP_GRAPH_CONVERTER_H_ |
| |
| #include <map> |
| #include <memory> |
| #include <vector> |
| |
| #include "services/resource_coordinator/memory_instrumentation/graph.h" |
| #include "third_party/perfetto/include/perfetto/ext/trace_processor/importers/memory_tracker/graph_processor.h" |
| |
| namespace memory_instrumentation { |
| |
| // Converts the Perfetto GlobalNodeGraph to the corresponding defined in |
| // Chromium type GlobalDumpGraph. |
| // |
| // Example usage: |
| // |
| // { |
| // perfetto::trace_processor::GlobalNodeGraph graph; |
| // |
| // GlobalDumpGraphConverter converter; |
| // std::unique_ptr<GlobalDumpGraph> dumpGraph = converter.Convert(graph); |
| // } |
| class GlobalDumpGraphConverter { |
| public: |
| GlobalDumpGraphConverter(); |
| ~GlobalDumpGraphConverter(); |
| GlobalDumpGraphConverter(const GlobalDumpGraphConverter&) = delete; |
| void operator=(const GlobalDumpGraphConverter&) = delete; |
| |
| std::unique_ptr<GlobalDumpGraph> Convert( |
| const perfetto::trace_processor::GlobalNodeGraph& input) const; |
| |
| private: |
| // Map is used during conversion from Perfetto GlobalNodeGraph to Chromium |
| // GlobalDumpGraph. It simplifies finding matching nodes during conversion of |
| // graph edges. |
| using NodePointerPerfettoToChromeMap = |
| std::map<const perfetto::trace_processor::GlobalNodeGraph::Node*, |
| GlobalDumpGraph::Node*>; |
| |
| void CopyAndConvertProcessDumps( |
| const perfetto::trace_processor::GlobalNodeGraph& input, |
| GlobalDumpGraph* output, |
| NodePointerPerfettoToChromeMap* pointer_map) const; |
| |
| void CopyAndConvertSharedMemoryGraph( |
| const perfetto::trace_processor::GlobalNodeGraph& input, |
| GlobalDumpGraph* output, |
| NodePointerPerfettoToChromeMap* pointer_map) const; |
| |
| void CopyAndConvertNodeTree( |
| const perfetto::trace_processor::GlobalNodeGraph::Node* input, |
| GlobalDumpGraph::Process* output, |
| const std::string& node_path, |
| NodePointerPerfettoToChromeMap* pointer_map) const; |
| |
| base::trace_event::MemoryAllocatorDumpGuid ConvertMemoryAllocatorDumpGuid( |
| const perfetto::trace_processor::MemoryAllocatorNodeId& input) const; |
| |
| void CopyNodeMembers( |
| const perfetto::trace_processor::GlobalNodeGraph::Node& input, |
| GlobalDumpGraph::Node* output) const; |
| |
| void CopyAndConvertEdges( |
| const perfetto::trace_processor::GlobalNodeGraph& input, |
| GlobalDumpGraph* output, |
| NodePointerPerfettoToChromeMap* pointer_map) const; |
| |
| void CopyAndConvertEdge( |
| const perfetto::trace_processor::GlobalNodeGraph::Edge& input, |
| GlobalDumpGraph* output, |
| const NodePointerPerfettoToChromeMap* pointer_map) const; |
| |
| GlobalDumpGraph::Node::Entry::ScalarUnits ConvertScalarUnits( |
| const perfetto::trace_processor::GlobalNodeGraph::Node::Entry::ScalarUnits |
| input) const; |
| }; |
| |
| } // namespace memory_instrumentation |
| |
| #endif // SERVICES_RESOURCE_COORDINATOR_MEMORY_INSTRUMENTATION_GLOBAL_DUMP_GRAPH_CONVERTER_H_ |