blob: 09112134aedb488dad7fd544bfbbab18a0149b90 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
* 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 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* process_name,
WebRtc_UWord32 length) = 0;
virtual WebRtc_Word32 CpuUsage(WebRtc_UWord32 process_id) = 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.
// num_cores is the number of cores in the cpu_usage array.
// The return value is -1 for failure or 0-100, indicating the average
// CPU usage across all cores.
// Note: on some OSs this class is initialized lazy. This means that it
// might not yet be possible to retrieve any CPU metrics. When this happens
// the return value will be zero (indicating that there is not a failure),
// num_cores will be 0 and cpu_usage will be set to NULL (indicating that
// no metrics are available yet). Once the initialization is completed,
// which can take in the order of seconds, CPU metrics can be retrieved.
virtual WebRtc_Word32 CpuUsageMultiCore(WebRtc_UWord32& num_cores,
WebRtc_UWord32*& cpu_usage) = 0;
virtual void Reset() = 0;
virtual void Stop() = 0;
protected:
CpuWrapper() {}
};
} // namespace webrtc
#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_CPU_WRAPPER_H_
|
