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
|
//
// Copyright (c) 2014 by Tomi Tapper <tomi.o.tapper@jyu.fi>
//
// File based on bsd/intratemeter.* by
// Copyright (c) 1999 by Brian Grayson (bgrayson@netbsd.org)
//
// This file may be distributed under terms of the GPL
//
//
#include "intratemeter.h"
#include <stdlib.h>
IrqRateMeter::IrqRateMeter(XOSView *parent, kstat_ctl_t *kc)
: FieldMeterGraph(parent, 2, "IRQs", "IRQs per sec/IDLE", 1, 1, 0)
{
_lastirqcount = 0;
_kc = kc;
_cpus = KStatList::getList(_kc, KStatList::CPU_SYS);
}
IrqRateMeter::~IrqRateMeter(void)
{
}
void IrqRateMeter::checkResources(void)
{
FieldMeterGraph::checkResources();
setfieldcolor(0, parent_->getResource("irqrateUsedColor"));
setfieldcolor(1, parent_->getResource("irqrateIdleColor"));
priority_ = atoi(parent_->getResource("irqratePriority"));
dodecay_ = parent_->isResourceTrue("irqrateDecay");
useGraph_ = parent_->isResourceTrue("irqrateGraph");
SetUsedFormat(parent_->getResource("irqrateUsedFormat"));
total_ = 2000;
}
void IrqRateMeter::checkevent(void)
{
getinfo();
drawfields();
}
void IrqRateMeter::getinfo(void)
{
kstat_named_t *k;
uint64_t irqcount = 0;
_cpus->update(_kc);
IntervalTimerStop();
for (size_t i = 0; i < _cpus->count(); i++) {
if (kstat_read(_kc, (*_cpus)[i], NULL) == -1) {
parent_->done(1);
return;
}
k = (kstat_named_t *)kstat_data_lookup((*_cpus)[i], "intr");
if (k == NULL) {
parent_->done(1);
return;
}
irqcount += kstat_to_ui64(k);
}
if (_lastirqcount == 0)
_lastirqcount = irqcount;
fields_[0] = (irqcount - _lastirqcount) / IntervalTimeInSecs();
_lastirqcount = irqcount;
IntervalTimerStart();
if (fields_[0] > total_)
total_ = fields_[0];
setUsed(fields_[0], total_);
}
|
