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content / browser / memory / swap_metrics_driver_impl_mac.h [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_MEMORY_SWAP_METRICS_DRIVER_IMPL_MAC_H_
#define CONTENT_BROWSER_MEMORY_SWAP_METRICS_DRIVER_IMPL_MAC_H_
#include "content/browser/memory/swap_metrics_driver_impl.h"
#include <memory>
#include "base/apple/scoped_mach_port.h"
#include "base/time/time.h"
namespace content {
class SwapMetricsDriverImplMac : public SwapMetricsDriverImpl {
public:
SwapMetricsDriverImplMac(std::unique_ptr<Delegate> delegate,
const base::TimeDelta update_interval);
~SwapMetricsDriverImplMac() override;
protected:
SwapMetricsDriver::SwapMetricsUpdateResult UpdateMetricsInternal(
base::TimeDelta interval) override;
private:
base::apple::ScopedMachSendRight host_;
uint64_t last_swapins_ = 0;
uint64_t last_swapouts_ = 0;
uint64_t last_decompressions_ = 0;
uint64_t last_compressions_ = 0;
};
} // namespace content
#endif // CONTENT_BROWSER_MEMORY_SWAP_METRICS_DRIVER_IMPL_MAC_H_