| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_BLINK_GC_MEMORY_DUMP_PROVIDER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_BLINK_GC_MEMORY_DUMP_PROVIDER_H_ |
| |
| #include "base/trace_event/memory_dump_provider.h" |
| #include "third_party/blink/renderer/platform/heap/blink_gc.h" |
| #include "third_party/blink/renderer/platform/platform_export.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace base { |
| namespace trace_event { |
| |
| class MemoryAllocatorDump; |
| |
| } // namespace trace_event |
| } // namespace base |
| |
| namespace blink { |
| class WebMemoryAllocatorDump; |
| |
| class PLATFORM_EXPORT BlinkGCMemoryDumpProvider final |
| : public base::trace_event::MemoryDumpProvider { |
| USING_FAST_MALLOC(BlinkGCMemoryDumpProvider); |
| |
| public: |
| static BlinkGCMemoryDumpProvider* Instance(); |
| ~BlinkGCMemoryDumpProvider() override; |
| |
| // MemoryDumpProvider implementation. |
| bool OnMemoryDump(const base::trace_event::MemoryDumpArgs&, |
| base::trace_event::ProcessMemoryDump*) override; |
| |
| // The returned WebMemoryAllocatorDump is owned by |
| // BlinkGCMemoryDumpProvider, and should not be retained (just used to |
| // dump in the current call stack). |
| base::trace_event::MemoryAllocatorDump* CreateMemoryAllocatorDumpForCurrentGC( |
| const String& absolute_name); |
| |
| // This must be called before taking a new process-wide GC snapshot, to |
| // clear the previous dumps. |
| void ClearProcessDumpForCurrentGC(); |
| |
| base::trace_event::ProcessMemoryDump* CurrentProcessMemoryDump() { |
| return current_process_memory_dump_.get(); |
| } |
| |
| private: |
| BlinkGCMemoryDumpProvider(); |
| |
| std::unique_ptr<base::trace_event::ProcessMemoryDump> |
| current_process_memory_dump_; |
| }; |
| |
| } // namespace blink |
| |
| #endif |