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Member "xosview-1.23/hpux/loadmeter.cc" (11 Jul 2020, 2174 Bytes) of package /linux/misc/xosview-1.23.tar.gz:
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1 //
2 // Copyright (c) 1994, 1995, 1997 by Mike Romberg ( romberg@fsl.noaa.gov )
3 //
4 // This file may be distributed under terms of the GPL
5 //
6
7 #include "loadmeter.h"
8 #include "xosview.h"
9 #include <stdlib.h>
10 #include <sys/pstat.h>
11
12 LoadMeter::LoadMeter( XOSView *parent )
13 : FieldMeterDecay( parent, 2, "LOAD", "PROCS/MIN", 1, 0 ){
14 }
15
16 LoadMeter::~LoadMeter( void ){
17 }
18
19 void LoadMeter::checkResources( void ){
20 FieldMeterDecay::checkResources();
21
22 warnloadcol_ = parent_->allocColor(parent_->getResource( "loadWarnColor" ));
23 procloadcol_ = parent_->allocColor(parent_->getResource( "loadProcColor" ));
24
25 setfieldcolor( 0, procloadcol_ );
26 setfieldcolor( 1, parent_->getResource( "loadIdleColor" ) );
27 priority_ = atoi (parent_->getResource( "loadPriority" ) );
28 dodecay_ = parent_->isResourceTrue( "loadDecay" );
29 SetUsedFormat( parent_->getResource( "loadUsedFormat" ));
30
31 alarmThreshold = atoi (parent_->getResource("loadAlarmThreshold"));
32
33 if (dodecay_){
34 // Warning: Since the loadmeter changes scale occasionally, old
35 // decay values need to be rescaled. However, if they are rescaled,
36 // they could go off the edge of the screen. Thus, for now, to
37 // prevent this whole problem, the load meter can not be a decay
38 // meter. The load is a decaying average kind of thing anyway,
39 // so having a decaying load average is redundant.
40 std::cerr << "Warning: The loadmeter can not be configured as a decay\n"
41 << " meter. See the source code (" << __FILE__ << ") for further\n"
42 << " details.\n";
43 dodecay_ = 0;
44 }
45 }
46
47 void LoadMeter::checkevent( void ){
48 getloadinfo();
49
50 drawfields();
51 }
52
53
54 void LoadMeter::getloadinfo( void ){
55
56 struct pst_dynamic pstd;
57
58 pstat_getdynamic(&pstd, sizeof(pstd), 1, 0);
59
60 fields_[0] = pstd.psd_avg_1_min;
61
62 if ( fields_[0] > alarmThreshold ) {
63 if (total_ == alarmThreshold ) {
64 setfieldcolor( 0, warnloadcol_ );
65 drawlegend();
66 }
67 total_ = fields_[1] = 20;
68 } else {
69 if (total_ == 20 ) {
70 setfieldcolor( 0, procloadcol_ );
71 drawlegend();
72 }
73 total_ = fields_[1] = alarmThreshold;
74 }
75
76 setUsed( fields_[0], total_ );
77 }