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// 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
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