blob: 7ae6dda69d515569579f70ac809c38977846832b (
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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// -*- C++ -*-
//=============================================================================
/**
* @file CPU_Load_Monitor.h
*
* @author Jeff Parsons <j.parsons@vanderbilt.edu>
*/
//=============================================================================
#ifndef CPU_LOAD_MONITOR_H
#define CPU_LOAD_MONITOR_H
#include /**/ "ace/pre.h"
#include "ace/Monitor_Base.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined (ACE_HAS_MONITOR_FRAMEWORK) && (ACE_HAS_MONITOR_FRAMEWORK == 1)
#if defined (ACE_HAS_PDH_H) && !defined (ACE_LACKS_PDH_H)
#include "ace/Monitor_Control/Windows_Monitor.h"
#elif defined (ACE_HAS_KSTAT)
#include "ace/os_include/os_kstat.h"
#endif
#include "ace/Monitor_Control/Monitor_Control_export.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE
{
namespace Monitor_Control
{
/**
* @class CPU_Load_Monitor
*
* @brief Monitors percentage CPU utilization.
*/
class MONITOR_CONTROL_Export CPU_Load_Monitor
: public Monitor_Base
#if defined (ACE_HAS_WIN32_PDH)
, public Windows_Monitor
#endif
{
public:
CPU_Load_Monitor (const char* name);
/// Implementation of the pure virtual method.
virtual void update (void);
/// Stores the default name, used if none is supplied by the user.
static const char* default_name (void);
private:
/// Overridden reset, calls platform-specific reset.
virtual void clear_i (void);
/// Common code to the constructor and to clear_i().
void init (void);
private:
#if defined (ACE_LINUX)
void access_proc_stat (unsigned long *which_idle);
#endif
#if defined (ACE_HAS_KSTAT)
void access_kstats (unsigned long *which_idle);
#endif
private:
static const char* default_name_;
/// Common to Linux and Solaris implementations.
#if defined (ACE_LINUX) || defined (ACE_HAS_KSTAT)
unsigned long user_;
unsigned long wait_;
unsigned long kernel_;
unsigned long idle_;
unsigned long prev_idle_;
double prev_total_;
#endif
#if defined (ACE_LINUX)
FILE *file_ptr_;
char buf_[1024];
#elif defined (ACE_HAS_KSTAT)
kstat_ctl_t *kstats_;
kstat_t *kstat_;
kid_t kstat_id_;
#endif
};
}
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_HAS_MONITOR_FRAMEWORK==1 */
#include /**/ "ace/post.h"
#endif // CPU_LOAD_MONITOR_H
|