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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GIN_V8_ISOLATE_MEMORY_DUMP_PROVIDER_H_
#define GIN_V8_ISOLATE_MEMORY_DUMP_PROVIDER_H_
#include "base/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/trace_event/memory_dump_provider.h"
#include "gin/gin_export.h"
namespace gin {
class IsolateHolder;
// Memory dump provider for the chrome://tracing infrastructure. It dumps
// summarized memory stats about the V8 Isolate.
class V8IsolateMemoryDumpProvider
: public base::trace_event::MemoryDumpProvider {
public:
V8IsolateMemoryDumpProvider(
IsolateHolder* isolate_holder,
scoped_refptr<base::SingleThreadTaskRunner> task_runner);
V8IsolateMemoryDumpProvider(const V8IsolateMemoryDumpProvider&) = delete;
V8IsolateMemoryDumpProvider& operator=(const V8IsolateMemoryDumpProvider&) =
delete;
~V8IsolateMemoryDumpProvider() override;
// MemoryDumpProvider implementation.
bool OnMemoryDump(
const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* process_memory_dump) override;
private:
void DumpHeapStatistics(
const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* process_memory_dump);
raw_ptr<IsolateHolder> isolate_holder_; // Not owned.
};
} // namespace gin
#endif // GIN_V8_ISOLATE_MEMORY_DUMP_PROVIDER_H_
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