1 | 1 | simandl | package HotSaNICmod::OSdep; |
2 | | | |
3 | | | # return module version |
4 | | | # |
5 | | | sub version { |
6 | | | ($VERSION = '$Revision: 1.15 $') =~ s/.*(\d+\.\d+).*/$1/; |
7 | | | return "$^O.pm $VERSION"; |
8 | | | } |
9 | | | |
10 | | | # sample data |
11 | | | # |
12 | | | sub sample { |
13 | | | my %args=@_; |
14 | | | |
15 | | | @sections = split " ", ($args{SECTIONS}); |
16 | | | foreach (@sections){ |
17 | | | if ($_ eq "cpu") {read_cpu(%args)} |
18 | | | elsif ($_ eq "load") {read_load(%args)} |
19 | | | elsif ($_ eq "proc") {read_proc(%args)} |
20 | | | elsif ($_ eq "mem") {read_mem(%args)} |
21 | | | elsif ($_ eq "users") {read_users(%args)} |
22 | | | # elsif ($_ eq "irq") {read_interrupts(%args)} |
23 | | | # elsif ($_ eq "uptime") {read_uptime(%args)} |
24 | | | } |
25 | | | |
26 | | | } |
27 | | | |
28 | | | # users.rrd -> tty pty pts |
29 | | | # cpu.rrd -> cpuusr cpusys cpuwait cpuidl |
30 | | | # load.rrd -> load15 load5 load1 |
31 | | | # proc.rrd -> procslp procrun proczmb procstp |
32 | | | # mem.rrd (Linux) -> memfre memshr membuf memcac swpfre swpuse |
33 | | | |
34 | | | ##################################################################################### |
35 | | | # build CPU statistics |
36 | | | # in /proc/stat there is a CPU entry which provides us with the |
37 | | | # number of ticks the CPU was in all states ( user nice system idle ) |
38 | | | # We simply have to gather this information and calculate the actual percentage :) |
39 | | | # To do this we have to remember the last read values of course! |
40 | | | # |
41 | | | sub read_cpu { |
42 | | | my %args=@_; |
43 | | | my $multicpu=0; |
44 | | | |
45 | | | # vmstat -s |
46 | | | # |
47 | | | # 23506934 user cpu |
48 | | | # 2794729 system cpu |
49 | | | # 44912336 idle cpu |
50 | | | # 449606 wait cpu |
51 | | | |
52 | | | # read actual state |
53 | | | @lines=`kstat cpu_stat`; |
54 | | | |
55 | | | # module: cpu_stat instance: 0 |
56 | | | # name: cpu_stat0 class: misc |
57 | | | # idle 23071073 |
58 | | | # kernel 1159786 |
59 | | | # user 11466265 |
60 | | | # wait 200397 |
61 | | | # |
62 | | | |
63 | | | $cpu1{cpu}=0; |
64 | | | $cpu2{cpu}=0; |
65 | | | $cpu3{cpu}=0; |
66 | | | $cpu4{cpu}=0; |
67 | | | $cpu5{cpu}=0; |
68 | | | |
69 | | | foreach (@lines) { |
70 | | | ($name,$value)=split; |
71 | | | if (defined $name) { |
72 | | | if (!defined $value) { $value=0; } |
73 | | | if ( $name eq "name:") { |
74 | | | ($cpu=$value) =~ s/_stat//; |
75 | | | $cpu1{$cpu}=0; |
76 | | | $cpu2{$cpu}=0; |
77 | | | $cpu3{$cpu}=0; |
78 | | | $cpu4{$cpu}=0; |
79 | | | $cpu5{$cpu}=0; |
80 | | | $cpu1old{$cpu}=0; |
81 | | | $cpu2old{$cpu}=0; |
82 | | | $cpu3old{$cpu}=0; |
83 | | | $cpu4old{$cpu}=0; |
84 | | | $cpu5old{$cpu}=0; |
85 | | | if ($cpu eq "cpu1") {$multicpu=1; } |
86 | | | } |
87 | | | if ($name eq "user") { $cpu1{$cpu}=$value; $cpu1{cpu}+=$value; } |
88 | | | if ($name eq "kernel") { $cpu2{$cpu}=$value; $cpu2{cpu}+=$value; } |
89 | | | if ($name eq "wait") { $cpu3{$cpu}=$value; $cpu3{cpu}+=$value; } |
90 | | | if ($name eq "idle") { $cpu4{$cpu}=$value; $cpu4{cpu}+=$value; } |
91 | | | } |
92 | | | } |
93 | | | |
94 | | | # read last state and store actual state |
95 | | | # usr nice sys idle int |
96 | | | my $DATFILE=$args{VARDIR}."/cpu.dat"; |
97 | | | if ( -e $DATFILE ) { |
98 | | | open(CPU,$DATFILE); |
99 | | | while (<CPU>) { |
100 | | | $line=$_." 0 0 0 0 0 0"; |
101 | | | ($cpu, $cpu1old, $cpu2old, $cpu3old, $cpu4old, $cpu5old)=split / /,$line; |
102 | | | |
103 | | | if ($cpu !~ /cpu/) { |
104 | | | $cpu5old=$cpu4old; |
105 | | | $cpu4old=$cpu3old; |
106 | | | $cpu3old=$cpu2old; |
107 | | | $cpu2old=$cpu1old; |
108 | | | $cpu1old=$cpu; |
109 | | | $cpu="cpu"; |
110 | | | } |
111 | | | |
112 | | | $cpu1old{$cpu}=$cpu1old; |
113 | | | $cpu2old{$cpu}=$cpu2old; |
114 | | | $cpu3old{$cpu}=$cpu3old; |
115 | | | $cpu4old{$cpu}=$cpu4old; |
116 | | | $cpu5old{$cpu}=$cpu5old; |
117 | | | } |
118 | | | close(CPU); |
119 | | | } |
120 | | | |
121 | | | open(CPU,">".$DATFILE); |
122 | | | |
123 | | | foreach $cpu (sort keys %cpu1) { |
124 | | | print CPU $cpu." ".$cpu1{$cpu}." ".$cpu2{$cpu}." ".$cpu3{$cpu}." ".$cpu4{$cpu}." ".$cpu5{$cpu}."\n"; |
125 | | | |
126 | | | # calculate everything.... |
127 | | | # |
128 | | | |
129 | | | $all{$cpu}=($cpu1{$cpu}+$cpu2{$cpu}+$cpu3{$cpu}+$cpu4{$cpu}+$cpu5{$cpu})-($cpu1old{$cpu}+$cpu2old{$cpu}+$cpu3old{$cpu}+$cpu4old{$cpu}+$cpu5old{$cpu}); |
130 | | | |
131 | | | $cpuusr{$cpu}=($cpu1{$cpu}-$cpu1old{$cpu})/$all{$cpu}; |
132 | | | $cpunic{$cpu}=($cpu2{$cpu}-$cpu2old{$cpu})/$all{$cpu}; |
133 | | | $cpusys{$cpu}=($cpu3{$cpu}-$cpu3old{$cpu})/$all{$cpu}; |
134 | | | $cpuidl{$cpu}=($cpu4{$cpu}-$cpu4old{$cpu})/$all{$cpu}; |
135 | | | $cpuint{$cpu}=($cpu5{$cpu}-$cpu5old{$cpu})/$all{$cpu}; |
136 | | | |
137 | | | # store data |
138 | | | # |
139 | | | |
140 | | | HotSaNICmod::do_rrd($cpu,"U",time,$cpuusr{$cpu},$cpunic{$cpu},$cpusys{$cpu},$cpuidl{$cpu}); |
141 | | | |
142 | | | # on single-cpu machines only the global database has to be updated. |
143 | | | # |
144 | | | last if ($multicpu==0); |
145 | | | |
146 | | | } |
147 | | | close(CPU); |
148 | | | } |
149 | | | |
150 | | | |
151 | | | |
152 | | | ##################################################################################### |
153 | | | # here we go with the load-average value ... |
154 | | | # |
155 | | | sub read_load { |
156 | | | my %args=@_; |
157 | | | ($_)=`uptime`; |
158 | | | @values=split; |
159 | | | $load15=pop @values; |
160 | | | $load5=pop @values; |
161 | | | $load1=pop @values; |
162 | | | |
163 | | | HotSaNICmod::do_rrd("load","U",time,$load15,$load5,$load1); |
164 | | | } |
165 | | | |
166 | | | |
167 | | | |
168 | | | ##################################################################################### |
169 | | | # now the processes. We have to check how many processes are sleeping, |
170 | | | # running, zombieng spwapped to disc or stopped. To do this we simply |
171 | | | # have to walk through the /proc tree, check all "stat" files of each |
172 | | | # process-id subdir and increment the according state-counter. |
173 | | | # |
174 | | | sub read_proc { |
175 | | | my %args=@_; |
176 | | | ($procslp,$procrun,$proczmb,$procstp,$procque)=(0,0,0,0,0); |
177 | | | |
178 | | | open FILE,"ps -aef -o s|"; |
179 | | | while (<FILE>) { |
180 | | | if (index($_,"S") >=0 ) { $procslp++ } |
181 | | | elsif (index($_,"R") >=0 ) { $procque++ } |
182 | | | elsif (index($_,"O") >=0 ) { $procrun++ } |
183 | | | elsif (index($_,"Z") >=0 ) { $proczmb++ } |
184 | | | elsif (index($_,"T") >=0 ) { $procstp++ } |
185 | | | } |
186 | | | close FILE; |
187 | | | |
188 | | | HotSaNICmod::do_rrd("proc","U",time,$procslp,$procrun,$proczmb,$procstp,$procque); |
189 | | | } |
190 | | | |
191 | | | ##################################################################################### |
192 | | | # read users stats |
193 | | | # |
194 | | | sub read_users { |
195 | | | my %args=@_; |
196 | | | @users=`who`; |
197 | | | ($tty,$pty,$pts)=(0,0,0); |
198 | | | foreach (@users) { |
199 | | | if (index($_," tty") >=0 ) { $tty++; } |
200 | | | elsif (index($_," pty") >=0 ) { $pty++; } |
201 | | | elsif (index($_," pts") >=0 ) { $pts++; } |
202 | | | } |
203 | | | |
204 | | | HotSaNICmod::do_rrd("users","U",time,$tty,$pty,$pts); |
205 | | | } |
206 | | | |
207 | | | #################################################################################### |
208 | | | # here we go with the memory and swapfile statistics... |
209 | | | # |
210 | | | sub read_mem { |
211 | | | my %args=@_; |
212 | | | |
213 | | | # read swap state |
214 | | | ($_)=`swap -s`; |
215 | | | @stats=split; |
216 | | | ($swpuse=$stats[8]) =~ s/k//; |
217 | | | ($swpfre=$stats[10]) =~ s/k//; |
218 | | | $swpuse*=1024; |
219 | | | $swpfre*=1024; |
220 | | | |
221 | | | # read memory state |
222 | | | $memshr=0; |
223 | | | $memtot=0; |
224 | | | $memfre=0; |
225 | | | $membuf=0; |
226 | | | $memcac=0; |
227 | | | |
228 | | | ($line)=grep /^Memory:/, `top -b`; |
229 | | | |
230 | | | # Memory: 4096M real, 154M free, 339M swap in use, 20G swap free |
231 | | | |
232 | | | @fields=split / /,$line; |
233 | | | ($memtot=$fields[1]) =~ s/M//g; |
234 | | | ($memfre=$fields[3]) =~ s/M//g; |
235 | | | |
236 | | | $memtot*=1048576; |
237 | | | $memfre*=1048576; |
238 | | | |
239 | | | $memshr=$memtot-$memfre; |
240 | | | |
241 | | | HotSaNICmod::do_rrd("mem","U",time,$memfre,$memshr,$membuf,$memcac,$swpfre,$swpuse); |
242 | | | } |
243 | | | |
244 | | | sub read_interrupts { |
245 | | | my %args=@_; |
246 | | | |
247 | | | # intr 905974335 490612570 3015 0 0 0 3 3 3 2 71611549 0 145961329 197785844 0 0 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
248 | | | |
249 | | | my @stats; |
250 | | | open FILE,"/proc/stat"; |
251 | | | while (<FILE>) { (undef,@stats)=split if /intr/; } |
252 | | | close FILE; |
253 | | | |
254 | | | # need first 17 values from array |
255 | | | HotSaNICmod::do_rrd("irq","U",time,@stats[0..16]); |
256 | | | } |
257 | | | |
258 | | | |
259 | | | |
260 | | | ##################################################################################### |
261 | | | # here we go with the load-average value ... |
262 | | | # |
263 | | | sub read_uptime { |
264 | | | my %args=@_; |
265 | | | open(IN,"/proc/uptime"); ($up,$idle)=split(/ /,<IN>); close(IN); |
266 | | | $up/=86400; |
267 | | | $idle/=86400; |
268 | | | |
269 | | | HotSaNICmod::do_rrd("uptime","U",time,$up,$idle); |
270 | | | } |
271 | | | |
272 | | | 1; |
273 | | | |