package HotSaNICmod::OSdep; use RRDs; eval { require "platform/syssnmp.pm"; }; $NO_SNMP=1 if($@); # return module version # sub version { ($VERSION = '$Revision: 1.10 $') =~ s/.*(\d+\.\d+).*/$1/; return "$^O.pm $VERSION"; } # sample data # sub sample { my %args=@_; if(!defined($NO_SNMP)) { foreach ( keys(%args) ) { syssnmp::do_snmp($args{$_},$args{VARDIR}) if(/HOST/); } } @sections = split " ", ($args{SECTIONS}); foreach (@sections){ if ($_ eq "cpu") {read_cpu(%args)} elsif ($_ eq "load") {read_load(%args)} elsif ($_ eq "proc") {read_proc(%args)} elsif ($_ eq "mem") {read_mem(%args)} elsif ($_ eq "users") {read_users(%args)} # elsif ($_ eq "int") {read_interrupts(%args)} # elsif ($_ eq "uptime") {read_uptime(%args)} } } # users.rrd -> tty pty pts # cpu.rrd -> cpuusr cpusys cpuwait cpuidl # load.rrd -> load15 load5 load1 # proc.rrd -> procslp procrun proczmb procstp # mem.rrd (Linux) -> memfre memshr membuf memcac swpfre swpuse ##################################################################################### # build CPU statistics # in /proc/stat there is a CPU entry which provides us with the # number of ticks the CPU was in all states ( user nice system idle ) # We simply have to gather this information and calculate the actual percentage :) # To do this we have to remember the last read values of course! # sub read_cpu { my %args=@_; my $multicpu=0; # vmstat -s # # 23506934 user cpu # 2794729 system cpu # 44912336 idle cpu # 449606 wait cpu # read actual state @lines=`kstat cpu_stat`; # module: cpu_stat instance: 0 # name: cpu_stat0 class: misc # idle 23071073 # kernel 1159786 # user 11466265 # wait 200397 # $cpu1{cpu}=0; $cpu2{cpu}=0; $cpu3{cpu}=0; $cpu4{cpu}=0; $cpu5{cpu}=0; foreach (@lines) { ($name,$value)=split; if (defined $name) { if (!defined $value) { $value=0; } if ( $name eq "name:") { ($cpu=$value) =~ s/_stat//; $cpu1{$cpu}=0; $cpu2{$cpu}=0; $cpu3{$cpu}=0; $cpu4{$cpu}=0; $cpu5{$cpu}=0; $cpu1old{$cpu}=0; $cpu2old{$cpu}=0; $cpu3old{$cpu}=0; $cpu4old{$cpu}=0; $cpu5old{$cpu}=0; if ($cpu eq "cpu1") {$multicpu=1; } } if ($name eq "user") { $cpu1{$cpu}=$value; $cpu1{cpu}+=$value; } if ($name eq "kernel") { $cpu2{$cpu}=$value; $cpu2{cpu}+=$value; } if ($name eq "wait") { $cpu3{$cpu}=$value; $cpu3{cpu}+=$value; } if ($name eq "idle") { $cpu4{$cpu}=$value; $cpu4{cpu}+=$value; } } } # read last state and store actual state # usr nice sys idle int my $DATFILE=$args{VARDIR}."/cpu.dat"; if ( -e $DATFILE ) { open(CPU,$DATFILE); while () { $line=$_." 0 0 0 0 0 0"; ($cpu, $cpu1old, $cpu2old, $cpu3old, $cpu4old, $cpu5old)=split / /,$line; if ($cpu !~ /cpu/) { $cpu5old=$cpu4old; $cpu4old=$cpu3old; $cpu3old=$cpu2old; $cpu2old=$cpu1old; $cpu1old=$cpu; $cpu="cpu"; } $cpu1old{$cpu}=$cpu1old; $cpu2old{$cpu}=$cpu2old; $cpu3old{$cpu}=$cpu3old; $cpu4old{$cpu}=$cpu4old; $cpu5old{$cpu}=$cpu5old; } close(CPU); } open(CPU,">".$DATFILE); foreach $cpu (keys %cpu1) { print CPU $cpu." ".$cpu1{$cpu}." ".$cpu2{$cpu}." ".$cpu3{$cpu}." ".$cpu4{$cpu}." ".$cpu5{$cpu}."\n"; # calculate everything.... # $all{$cpu}=($cpu1{$cpu}+$cpu2{$cpu}+$cpu3{$cpu}+$cpu4{$cpu}+$cpu5{$cpu})-($cpu1old{$cpu}+$cpu2old{$cpu}+$cpu3old{$cpu}+$cpu4old{$cpu}+$cpu5old{$cpu}); $cpuusr{$cpu}=($cpu1{$cpu}-$cpu1old{$cpu})/$all{$cpu}; $cpunic{$cpu}=($cpu2{$cpu}-$cpu2old{$cpu})/$all{$cpu}; $cpusys{$cpu}=($cpu3{$cpu}-$cpu3old{$cpu})/$all{$cpu}; $cpuidl{$cpu}=($cpu4{$cpu}-$cpu4old{$cpu})/$all{$cpu}; $cpuint{$cpu}=($cpu5{$cpu}-$cpu5old{$cpu})/$all{$cpu}; # store data # if ( ! -e "rrd/".$cpu.".rrd" ) { system("./makerrd",$cpu); } RRDs::update "rrd/".$cpu.".rrd", time.":".$cpuusr{$cpu}.":".$cpunic{$cpu}.":".$cpusys{$cpu}.":".$cpuidl{$cpu}; if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update cpu.rrd: $ERROR\n"; } # on single-cpu machines only the global database has to be updated. # last if ($multicpu==0); } close(CPU); } ##################################################################################### # here we go with the load-average value ... # sub read_load { my %args=@_; ($_)=`uptime`; @values=split; $load15=pop @values; $load5=pop @values; $load1=pop @values; if ( ! -e "rrd/load.rrd" ) { system("./makerrd","load") } RRDs::update "rrd/load.rrd", time.":".$load15.":".$load5.":".$load1; if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update load.rrd: $ERROR\n"; } } ##################################################################################### # now the processes. We have to check how many processes are sleeping, # running, zombieng spwapped to disc or stopped. To do this we simply # have to walk through the /proc tree, check all "stat" files of each # process-id subdir and increment the according state-counter. # sub read_proc { my %args=@_; ($procslp,$procrun,$proczmb,$procstp,$procque)=(0,0,0,0,0); open FILE,"ps -aef -o s|"; while () { if (index($_,"S") >=0 ) { $procslp++ } elsif (index($_,"R") >=0 ) { $procque++ } elsif (index($_,"O") >=0 ) { $procrun++ } elsif (index($_,"Z") >=0 ) { $proczmb++ } elsif (index($_,"T") >=0 ) { $procstp++ } } close FILE; if ( ! -e "rrd/proc.rrd" ) { system("./makerrd","proc") } RRDs::update "rrd/proc.rrd", time.":".$procslp.":".$procrun.":".$proczmb.":".$procstp.":".$procque; if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": nable to update proc.rrd: $ERROR\n"; } } ##################################################################################### # read users stats # sub read_users { my %args=@_; @users=`who`; ($tty,$pty,$pts)=(0,0,0); foreach (@users) { if (index($_," tty") >=0 ) { $tty++; } elsif (index($_," pty") >=0 ) { $pty++; } elsif (index($_," pts") >=0 ) { $pts++; } } if ( ! -e "rrd/users.rrd" ) { system("./makerrd","users") } RRDs::update "rrd/users.rrd", time.":".$tty.":".$pty.":".$pts; if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": nable to update users.rrd: $ERROR\n"; } } #################################################################################### # here we go with the memory and swapfile statistics... # sub read_mem { my %args=@_; if ( ! -e "rrd/mem.rrd" ) { system("./makerrd","mem") } # read swap state ($_)=`swap -s`; @stats=split; ($swpuse=$stats[8]) =~ s/k//; ($swpfre=$stats[10]) =~ s/k//; $swpuse*=1024; $swpfre*=1024; # read memory state $memshr=0; $memtot=0; $memfre=0; $membuf=0; $memcac=0; ($line)=grep /^Memory:/, `top -b`; # Memory: 4096M real, 154M free, 339M swap in use, 20G swap free @fields=split / /,$line; ($memtot=$fields[1]) =~ s/M//g; ($memfre=$fields[3]) =~ s/M//g; $memtot*=1048576; $memfre*=1048576; $memshr=$memtot-$memfre; RRDs::update "rrd/mem.rrd", time.":".$memfre.":".$memshr.":".$membuf.":".$memcac.":".$swpfre.":".$swpuse; if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": nable to update `mem.rrd': $ERROR\n"; } } sub read_interrupts { my %args=@_; # 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 my @stats; open FILE,"/proc/stat"; while () { (undef,@stats)=split if /intr/; } close FILE; # need first 17 values from array my $result=join(":",@stats[0..16]); if ( ! -e "rrd/irq.rrd" ) { system("./makerrd","irq") } RRDs::update "rrd/irq.rrd",time.":".$result; if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update `irq.rrd': $ERROR\n"; } } ##################################################################################### # here we go with the load-average value ... # sub read_uptime { my %args=@_; open(IN,"/proc/uptime"); ($up,$idle)=split(/ /,); close(IN); $up/=86400; $idle/=86400; if ( ! -e "rrd/uptime.rrd" ) { system("./makerrd","uptime") } RRDs::update "rrd/uptime.rrd", time.":".$up.":".$idle; if ($ERROR = RRDs::error) { print time," ",$args{MODNAME},": unable to update uptime.rrd: $ERROR\n"; } } 1; WebSVN - hotsanic - Blame - Rev 26 - /trunk/modules/system/platform/solaris.pm
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