1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_MAC_H_ 12 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_MAC_H_ 13 14 #include "cpu_wrapper.h" 15 16 namespace webrtc { 17 class CpuWrapperMac : public CpuWrapper 18 { 19 public: 20 CpuWrapperMac(); 21 virtual ~CpuWrapperMac(); 22 23 virtual WebRtc_Word32 CpuUsage(); 24 virtual WebRtc_Word32 CpuUsage(WebRtc_Word8* /*pProcessName*/, 25 WebRtc_UWord32 /*length*/) {return -1;} 26 virtual WebRtc_Word32 CpuUsage(WebRtc_UWord32 /*dwProcessID*/) {return -1;} 27 28 // Note: this class will block the call and sleep if called too fast 29 // This function blocks the calling thread if the thread is calling it more 30 // often than every 500 ms. 31 virtual WebRtc_Word32 CpuUsageMultiCore(WebRtc_UWord32& numCores, 32 WebRtc_UWord32*& array); 33 34 virtual void Reset() {} 35 virtual void Stop() {} 36 37 private: 38 WebRtc_UWord32* _cpuUsage; 39 WebRtc_Word64* _lastTickCount; 40 WebRtc_Word64 _lastTime; 41 }; 42 } // namespace webrtc 43 44 #endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_MAC_H_ 45
