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_LINUX_H_
12#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_LINUX_H_
13
14#include "cpu_wrapper.h"
15
16namespace webrtc {
17class CpuLinux : public CpuWrapper
18{
19public:
20    CpuLinux();
21    virtual ~CpuLinux();
22
23    virtual WebRtc_Word32 CpuUsage();
24    virtual WebRtc_Word32 CpuUsage(WebRtc_Word8* /*pProcessName*/,
25                                   WebRtc_UWord32 /*length*/) {return 0;}
26    virtual WebRtc_Word32 CpuUsage(WebRtc_UWord32 /*dwProcessID*/) {return 0;}
27
28    virtual WebRtc_Word32 CpuUsageMultiCore(WebRtc_UWord32& numCores,
29                                            WebRtc_UWord32*& array);
30
31    virtual void Reset() {return;}
32    virtual void Stop() {return;}
33private:
34    int GetData(long long& busy, long long& idle, long long*& busyArray,
35                long long*& idleArray);
36    int GetNumCores();
37
38    long long m_oldBusyTime;
39    long long m_oldIdleTime;
40
41    long long* m_oldBusyTimeMulti;
42    long long* m_oldIdleTimeMulti;
43
44    long long* m_idleArray;
45    long long* m_busyArray;
46    WebRtc_UWord32* m_resultArray;
47    WebRtc_UWord32  m_numCores;
48};
49} // namespace webrtc
50
51#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CPU_LINUX_H_
52