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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CPU_WRAPPER_H_
#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CPU_WRAPPER_H_
#include "typedefs.h"
namespace webrtc {
class CpuWrapper
{
public:
static WebRtc_UWord32 DetectNumberOfCores();
static CpuWrapper* CreateCpu();
virtual ~CpuWrapper() {}
// Returns the average CPU usage for all processors. The CPU usage can be
// between and including 0 to 100 (%)
virtual WebRtc_Word32 CpuUsage() = 0;
virtual WebRtc_Word32 CpuUsage(WebRtc_Word8* processName,
WebRtc_UWord32 length) = 0;
virtual WebRtc_Word32 CpuUsage(WebRtc_UWord32 dwProcessID) = 0;
// The CPU usage per core is returned in cpu_usage. The CPU can be between
// and including 0 to 100 (%)
// Note that the pointer passed as cpu_usage is redirected to a local member
// of the CPU wrapper.
// numCores is the number of cores in the cpu_usage array.
virtual WebRtc_Word32 CpuUsageMultiCore(WebRtc_UWord32& numCores,
WebRtc_UWord32*& cpu_usage) = 0;
virtual void Reset() = 0;
virtual void Stop() = 0;
protected:
CpuWrapper() {}
private:
static WebRtc_UWord32 _numberOfCores;
};
} // namespace webrtc
#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CPU_WRAPPER_H_
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