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