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[/] [trunk/] [modules/] [system/] [platform/] [darwin.pm] - Blame information for rev 29

 

Line No. Rev Author Line
11simandlpackage HotSaNICmod::OSdep;
2 
3use RRDs;
4 
5# return module version
6#
7sub version {
8 ($VERSION = '$Revision: 1.2 $') =~ s/.*(\d+\.\d+).*/$1/;
9 return "$^O.pm $VERSION";
10 }
11 
12# sample data
13#
14sub sample {
15 my %args=@_;
16 
17 @sections = split " ", ($args{SECTIONS});
18 foreach (@sections){
19 if ($_ eq "cpu") {read_cpu(%args)}
20 if ($_ eq "load") {read_load(%args)}
21 if ($_ eq "proc") {read_proc(%args)}
22 if ($_ eq "mem") {read_mem(%args)}
23 if ($_ eq "users") {read_users(%args)}
24 }
25}
26 
27 
28# users.rrd -> tty pty pts
29# cpu.rrd -> cpuusr cpunic cpusys cpuint 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#####################################################################################
36# build CPU statistics
37#
38# We get info from the kern.cp_time sysctl. works on 4.6-4.7-STABLE and
39# should work at least on single-cpu 5.0 boxes too. Values for SMP systems
40# are cumulative until I (or anyone else) can get per-cpu info out of
41# the kernel. Gkrellm can't even do that!!! :(
42#
43# sysctl order is: user nice sys intr idle
44 
45sub read_cpu {
46 my %args=@_;
47 
48 @top = `top -l2`;
49 
50 while(@top){
51 if(/CPU Usage:\s+(\d+\.\d+)\% user,\s+(\d+\.\d+)\% sys,\s+(\d+\.\d+)\%/){
52 $cpuusr = $1;
53 $cpusys = $2;
54 $cpuidl = $3;
55 last;
56 }
57 }
58 
59 if ( ! -e "rrd/cpu.rrd" ) { system("./makerrd",$cpu); }
60 RRDs::update "rrd/cpu.rrd", time.":".$cpuusr.":".$cpusys.":".$cpuidl;
61 if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update cpu.rrd: $ERROR\n"; }
62 
63}
64 
65 
66 
67#####################################################################################
68# here we go with the load-average value ...
69#
70sub read_load {
71 my %args=@_;
72 (undef,$load1,$load5,$load15)=split(/ /,`/sbin/sysctl vm.loadavg`);
73 
74 if ( ! -e "rrd/load.rrd" ) { system("./makerrd","load") }
75 RRDs::update "rrd/load.rrd", time.":".$load15.":".$load5.":".$load1;
76 if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update load.rrd: $ERROR\n"; }
77}
78 
79 
80 
81#####################################################################################
82# now the processes. We have to check how many processes are sleeping,
83# running, zombieng spwapped to disc or stopped. To do this we simply
84# have to walk through the /proc tree, check all "stat" files of each
85# process-id subdir and increment the according state-counter.
86#
87sub read_proc {
88 my %args=@_;
89 ($procslp,$procrun,$proczmb,$procstp,$procdsc)=(0,0,0,0,0);
90 
91 @states=`/bin/ps axostate`;
92 foreach (@states) {
93 $procslp++ if (/^[SI]/); #Sleeping (S=<20s, I=>20s)
94 $procdsc++ if (/^D/); #Disk wait
95 $procrun++ if (/^R/); #Running
96 $proczmb++ if (/^Z/); #Zombie
97 $procstp++ if (/^T/); #Stopped
98 }
99 
100 if ( ! -e "rrd/proc.rrd" ) { system("./makerrd","proc") }
101 RRDs::update "rrd/proc.rrd", time.":".$procslp.":".$procrun.":".$proczmb.":".$procstp.":".$procdsc;
102 if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": nable to update proc.rrd: $ERROR\n"; }
103}
104 
105 
106#####################################################################################
107# read users stats
108#
109sub read_users {
110 my %args=@_;
111 
112 # XXX im not shure if this will work. PR
113 @users=`who`;
114 ($tty,$pty,$pts)=(0,0,0);
115 foreach (@users) {
116 # print $_;
117 if (index($_," ttyv") >=0 ) { $tty++; }
118 elsif (index($_," ttyp") >=0 ) { $pty++; }
119 elsif (index($_," pts") >=0 ) { $pts++; }
120 }
121 
122 if ( ! -e "rrd/users.rrd" ) { system("./makerrd","users") }
123 RRDs::update "rrd/users.rrd", time.":".$tty.":".$pty.":".$pts;
124 if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": nable to update users.rrd: $ERROR\n"; }
125}
126 
127 
128####################################################################################
129# here we go with the memory and swap statistics...
130#
131sub read_mem {
132 my %args=@_;
133 
134 @top = `top -l2`;
135 
136 #PhysMem: 97.4M wired, 144M active, 567M inactive, 809M used, 727M free
137 #VM: 3.27G + 3.62M 14904(14904) pageins, 44(44) pageouts
138 
139 while(@top){
140 if(/^PhysMem:/){
141 s/^[0-9\.\sKMG]//g;
142 split;
143 foreach(@_){
144 #convert SI to integer bytes
145 if(/\dG/){ s/G//; $_ *= (1024**3) }
146 if(/\dM/){ s/M//; $_ *= (1024**2) }
147 if(/\dK/){ s/K//; $_ *= 1024 }
148 $_ = int
149 }
150 (undef, $memwire, $memactv, $meminac, $memused, $memfree) = @_;
151 last;
152 }
153 }
154 
155 
156 #get swap.
157 # to be done!
158 open(IN,"/usr/sbin/pstat -sk|");
159 while(<IN>) {
160 (undef, undef, $swpuse, $swpfre) = split;
161 }
162 
163 $swpuse*=1024;
164 $swpfre*=1024;
165 
166 if ( ! -e "rrd/mem.rrd" ) { system("./makerrd","mem") }
167 RRDs::update "rrd/mem.rrd", time.":".$memfree.":".$memwire.":".$memactv.":".$meminac.":".$swpfre.":".$swpuse;
168 if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": nable to update `mem.rrd': $ERROR\n"; }
169 }
170 
1711;

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