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[/] [branches/] [HotSaNIC-0.5.0-pre6/] [modules/] [system/] [platform/] [netbsd.pm] - Blame information for rev 17

 

Line No. Rev Author Line
11simandlpackage HotSaNICmod::OSdep;
2 
3# return module version
4#
5sub version {
6 ($VERSION = '$Revision: 1.20 $') =~ s/.*(\d+\.\d+).*/$1/;
7 return "$^O.pm $VERSION";
8 }
9 
10# sample data
11#
12sub sample {
13 my %args=@_;
14 
15 @sections = split " ", ($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 cpunic 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#
41sub read_cpu {
42 my %args=@_;
43 my $multicpu=0;
44 
45 # read actual state
46 
47 # assumed order is: user nice sys intr idle
48 $cpuraw = `/sbin/sysctl kern.cp_time`;
49 $cpuraw =~ /^.* user = (\d+), nice = (\d+), sys = (\d+), intr = (\d+), idle = (\d+)$/;
50 $cpu="cpu";
51 $cpu1{$cpu}=$1;
52 $cpu2{$cpu}=$2;
53 $cpu3{$cpu}=$3;
54 $cpu4{$cpu}=$5;
55 $cpu5{$cpu}=$4;
56 $cpu1old{$cpu}=0;
57 $cpu2old{$cpu}=0;
58 $cpu3old{$cpu}=0;
59 $cpu4old{$cpu}=0;
60 $cpu5old{$cpu}=0;
61 
62 # read last state and store actual state
63 # usr nice sys idle int
64 if ( -e "cpu.dat" ) {
65 open(CPU,"cpu.dat");
66 while (<CPU>) {
67 $line=$_." 0 0 0 0 0 0";
68 ($cpu, $cpu1old, $cpu2old, $cpu3old, $cpu4old, $cpu5old)=split / /,$line;
69 
70 if ($cpu !~ /cpu/) {
71 $cpu5old=$cpu4old;
72 $cpu4old=$cpu3old;
73 $cpu3old=$cpu2old;
74 $cpu2old=$cpu1old;
75 $cpu1old=$cpu;
76 $cpu="cpu";
77 }
78 
79 $cpu1old{$cpu}=$cpu1old;
80 $cpu2old{$cpu}=$cpu2old;
81 $cpu3old{$cpu}=$cpu3old;
82 $cpu4old{$cpu}=$cpu4old;
83 $cpu5old{$cpu}=$cpu5old;
84 }
85 close(CPU);
86 }
87 
88 open(CPU,">cpu.dat");
89 
90 foreach $cpu (sort keys %cpu1) {
91 print CPU $cpu." ".$cpu1{$cpu}." ".$cpu2{$cpu}." ".$cpu3{$cpu}." ".$cpu4{$cpu}." ".$cpu5{$cpu}."\n";
92 
93# calculate everything....
94#
95 
96 $all{$cpu}=($cpu1{$cpu}+$cpu2{$cpu}+$cpu3{$cpu}+$cpu4{$cpu}+$cpu5{$cpu})-($cpu1old{$cpu}+$cpu2old{$cpu}+$cpu3old{$cpu}+$cpu4old{$cpu}+$cpu5old{$cpu});
97 
98 $cpuusr{$cpu}=($cpu1{$cpu}-$cpu1old{$cpu})/$all{$cpu};
99 $cpunic{$cpu}=($cpu2{$cpu}-$cpu2old{$cpu})/$all{$cpu};
100 $cpusys{$cpu}=($cpu3{$cpu}-$cpu3old{$cpu})/$all{$cpu};
101 $cpuidl{$cpu}=($cpu4{$cpu}-$cpu4old{$cpu})/$all{$cpu};
102 $cpuint{$cpu}=($cpu5{$cpu}-$cpu5old{$cpu})/$all{$cpu};
103 
104 HotSaNICmod::do_rrd($cpu,"U",time,$cpuusr{$cpu},$cpunic{$cpu},$cpusys{$cpu},$cpuidl{$cpu},$cpuint{$cpu});
105 
106# on single-cpu machines only the global database has to be updated.
107#
108 last if ($multicpu==0);
109 
110 }
111 close(CPU);
112 }
113 
114 
115 
116#####################################################################################
117# here we go with the load-average value ...
118#
119sub read_load {
120 my %args=@_;
121 (undef,$load1,$load5,$load15)=split(/ /,`/sbin/sysctl vm.loadavg`);
122 HotSaNICmod::do_rrd("load","U",time,$load15,$load5,$load1);
123 }
124 
125 
126 
127#####################################################################################
128# now the processes. We have to check how many processes are sleeping,
129# running, zombieng spwapped to disc or stopped. To do this we simply
130# have to walk through the /proc tree, check all "stat" files of each
131# process-id subdir and increment the according state-counter.
132#
133sub read_proc {
134 my %args=@_;
135 ($procslp,$procrun,$proczmb,$procstp,$procdsc)=(0,0,0,0,0);
136 
137 # ok, this needs work doing to it. Unfortunately I'm not quite
138 # familiar enough with FreeBSD to do this properly - any takers? - MJB
139 
140 $procslp=$procrun=$proczmb=$procstp=$procdsc=0;
141 open FILE,"/bin/ps axostate|";
142 while (<FILE>) {
143 $procslp++ if (/^S/);
144 $procdsc++ if (/^D/);
145 $procrun++ if (/^R/);
146 $proczmb++ if (/^Z/);
147 $procstp++ if (/^T/);
148 }
149 close FILE;
150 
151 HotSaNICmod::do_rrd("proc","U",time,$procslp,$procrun,$proczmb,$procstp,$procdsc);
152 }
153 
154#####################################################################################
155# read users stats
156#
157sub read_users {
158 my %args=@_;
159 
160 @users=`who`;
161 ($tty,$pty,$pts)=(0,0,0);
162 foreach (@users) {
163 if (index($_," ttyE") >=0 ) { $tty++; }
164 elsif (index($_," ttyp") >=0 ) { $pty++; }
165 elsif (index($_," pts") >=0 ) { $pts++; }
166 }
167 HotSaNICmod::do_rrd("users","U",time,$tty,$pty,$pts);
168 }
169 
170####################################################################################
171# here we go with the memory and swapfile statistics...
172#
173sub read_mem {
174 my %args=@_;
175 
176 my ($line, $bpp, $totalmem, $free, $active, $inactive, $fcache, $ecache, $totalswap, $swapused);
177 my @vmstat = `/usr/bin/vmstat -s`;
178 foreach $line ( @vmstat ) {
179 chomp $line;
180 ($bpp = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / bytes per page$/);
181 ($totalmem = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / pages managed$/);
182 ($free = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / pages free$/);
183 ($active = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / pages active$/);
184 ($inactive = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / pages inactive$/);
185 ($wired = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / pages wired$/);
186 ($fcache = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / cached file pages$/);
187 ($ecache = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / cached executable pages$/);
188 ($totalswap = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / swap pages$/);
189 ($swapused = $line) =~ s/^.*?(\d+) .*$/$1/ if ($line =~ / swap pages in use$/);
190 }
191 my $memfree = $free * $bpp ;
192 my $meminac = $inactive * $bpp ;
193 my $memactv = $active * $bpp ;
194 my $memwire = $wired * $bpp ;
195 my $memcach = ($fcache + $ecache) * $bpp ;
196 my $swpfree = ($totalswap - $swapused) *$bpp ;
197 my $swpused = $swapused * $bpp ;
198 
199 HotSaNICmod::do_rrd("mem","U",time,$memfree,$meminac,$memactv,$memwire,$memcach,$swpfree,$swpused);
200}
201 
202####################################################################################
203# here we go with the interrupts...
204#
205sub read_interrupts {
206 my %args=@_;
207 
208 my @stats=(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);
209 my $i;
210 open FILE,"/usr/bin/vmstat -i |";
211 while (<FILE>) {
212 next if (/interrupt/);
213 chomp;
214 ($irq,$total,) = split;
215 ($i = $irq ) =~ s/irq(\d+)/$1/;
216 $i =~ s/Total/-1/;
217 $stats[$i+1] = $total ;
218 }
219 close FILE;
220 
221 # need first 17 values from array
222 HotSaNICmod::do_rrd("irq","U",time,@stats[0..16]);
223}
224 
225#####################################################################################
226# here we go with the load-average value ...
227#
228sub read_uptime {
229 my %args=@_;
230 open(IN,"/usr/bin/uptime |"); ($up=<IN>) =~ s/.* up (\d+) day.+/$1/; close(IN);
231 $idle=0;
232 HotSaNICmod::do_rrd("uptime","U",time,$up,$idle);
233}
234 
235 
2361;

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