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[/] [branches/] [HotSaNIC-0.5.0-pre6/] [modules/] [system/] [platform/] [freebsd.pm] - Blame information for rev 20

 

Line No. Rev Author Line
11simandlpackage HotSaNICmod::OSdep;
2 
3# return module version
4#
5sub version {
6 ($VERSION = '$Revision: 1.10 $') =~ 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 ($_ eq "cpu") {read_cpu(%args)}
18 if ($_ eq "load") {read_load(%args)}
19 if ($_ eq "proc") {read_proc(%args)}
20 if ($_ eq "mem") {read_mem(%args)}
21 if ($_ eq "users") {read_users(%args)}
22 }
23}
24 
25 
26# users.rrd -> tty pty pts
27# cpu.rrd -> cpuusr cpunic cpusys cpuint cpuidl
28# load.rrd -> load15 load5 load1
29# proc.rrd -> procslp procrun proczmb procstp
30# mem.rrd (Linux) -> memfre memshr membuf memcac swpfre swpuse
31 
32 
33#####################################################################################
34# build CPU statistics
35#
36# We get info from the kern.cp_time sysctl. works on 4.6-4.7-STABLE and
37# should work at least on single-cpu 5.0 boxes too. Values for SMP systems
38# are cumulative until I (or anyone else) can get per-cpu info out of
39# the kernel. Gkrellm can't even do that!!! :(
40#
41# sysctl order is: user nice sys intr idle
42 
43sub read_cpu {
44 my %args=@_;
45 
46 $rawcpu=`sysctl kern.cp_time`;
47 chomp $rawcpu; # don't get why this is needed...
48 (undef, $cpu1, $cpu2, $cpu3, $cpu4, $cpu5)=split(/ /,$rawcpu );
49 
50 $cpu1old=0; $cpu2old=0; $cpu3old=0; $cpu4old=0; $cpu5old=0;
51 
52 if ( -e "cpu.dat" ) {
53 open(CPU,"cpu.dat");
54 while (<CPU>) {
55 ($cpu1old, $cpu2old, $cpu3old, $cpu4old, $cpu5old)=split / /;
56 }
57 close(CPU);
58 }
59 
60 open(CPU,">cpu.dat");
61 print CPU $cpu1." ".$cpu2." ".$cpu3." ".$cpu4." ".$cpu5."\n";
62 close(CPU);
63 
64 # deltas
65 $all=($cpu1+$cpu2+$cpu3+$cpu4+$cpu5)-($cpu1old+$cpu2old+$cpu3old+$cpu4old+$cpu5old);
66 $cpuusr=($cpu1-$cpu1old)/$all;
67 $cpunic=($cpu2-$cpu2old)/$all;
68 $cpusys=($cpu3-$cpu3old)/$all;
69 $cpuint=($cpu4-$cpu4old)/$all;
70 $cpuidl=($cpu5-$cpu5old)/$all;
71 
72 HotSaNICmod::do_rrd("cpu","U",time,$cpuusr,$cpunic,$cpusys,$cpuidl,$cpuint);
73}
74 
75 
76 
77#####################################################################################
78# here we go with the load-average value ...
79#
80sub read_load {
81 my %args=@_;
82 (undef,undef,$load1,$load5,$load15,undef)=split(/ /,`/sbin/sysctl vm.loadavg`);
83 HotSaNICmod::do_rrd("load","U",time,$load15,$load5,$load1);
84}
85 
86 
87 
88#####################################################################################
89# now the processes. We have to check how many processes are sleeping,
90# running, zombieng spwapped to disc or stopped. To do this we simply
91# have to walk through the /proc tree, check all "stat" files of each
92# process-id subdir and increment the according state-counter.
93#
94sub read_proc {
95 my %args=@_;
96 ($procslp,$procrun,$proczmb,$procstp,$procdsc)=(0,0,0,0,0);
97 
98 @states=`/bin/ps axostate`;
99 foreach (@states) {
100 $procslp++ if (/^[SI]/); #Sleeping (S=<20s, I=>20s)
101 $procdsc++ if (/^D/); #Disk wait
102 $procrun++ if (/^R/); #Running
103 $proczmb++ if (/^Z/); #Zombie
104 $procstp++ if (/^T/); #Stopped
105 }
106 HotSaNICmod::do_rrd("proc","U",time,$procslp,$procrun,$proczmb,$procstp,$procdsc);
107}
108 
109 
110#####################################################################################
111# read users stats
112#
113sub read_users {
114 my %args=@_;
115 
116 # XXX im not shure if this will work. PR
117 @users=`who`;
118 ($tty,$pty,$pts)=(0,0,0);
119 foreach (@users) {
120 if (index($_," ttyv") >=0 ) { $tty++; }
121 elsif (index($_," ttyp") >=0 ) { $pty++; }
122 elsif (index($_," pts") >=0 ) { $pts++; }
123 }
124 
125 HotSaNICmod::do_rrd("users","U",time,$tty,$pty,$pts);
126}
127 
128 
129####################################################################################
130# here we go with the memory and swap statistics...
131#
132sub read_mem {
133 my %args=@_;
134 
135 # FreeBSD sucks for this...
136 (undef, $pagesize) = split(/ /, `sysctl vm.stats.vm.v_page_size`);
137 (undef, $memtotl) = split(/ /, `sysctl vm.stats.vm.v_page_count`); $memtotl *= $pagesize;
138 (undef, $memfree) = split(/ /, `sysctl vm.stats.vm.v_free_count`); $memfree *= $pagesize;
139 (undef, $memwire) = split(/ /, `sysctl vm.stats.vm.v_wire_count`); $memwire *= $pagesize;
140 (undef, $memactv) = split(/ /, `sysctl vm.stats.vm.v_active_count`); $memactv *= $pagesize;
141 (undef, $meminac) = split(/ /, `sysctl vm.stats.vm.v_inactive_count`);$meminac *= $pagesize;
142 (undef, $memcach) = split(/ /, `sysctl vm.stats.vm.v_cache_count`); $memcach *= $pagesize;
143 
144 #get swap.
145 #may be dodgy on systems with multiple swap partitions. however the
146 #total should be printed on the last line, overwriting the vars
147 open(IN,"/usr/sbin/pstat -sk|");
148 while(<IN>) {
149 (undef, undef, $swpuse, $swpfre) = split;
150 }
151 
152 $swpuse*=1024;
153 $swpfre*=1024;
154 
155 HotSaNICmod::do_rrd("mem","U",time,$memfree,$memwire,$memactv,$meminac,$memcach,$swpfre,$swpuse);
156 }
157 
1581;

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