package HotSaNICmod::OSdep; # return module version # sub version { ($VERSION = '$Revision: 1.10 $') =~ s/.*(\d+\.\d+).*/$1/; return "$^O.pm $VERSION"; } # sample data # sub sample { my %args=@_; @sections = split " ", ($args{SECTIONS}); foreach (@sections){ if ($_ eq "cpu") {read_cpu(%args)} if ($_ eq "load") {read_load(%args)} if ($_ eq "proc") {read_proc(%args)} if ($_ eq "mem") {read_mem(%args)} if ($_ eq "users") {read_users(%args)} } } # users.rrd -> tty pty pts # cpu.rrd -> cpuusr cpunic cpusys cpuint cpuidl # load.rrd -> load15 load5 load1 # proc.rrd -> procslp procrun proczmb procstp # mem.rrd (Linux) -> memfre memshr membuf memcac swpfre swpuse ##################################################################################### # build CPU statistics # # We get info from the kern.cp_time sysctl. works on 4.6-4.7-STABLE and # should work at least on single-cpu 5.0 boxes too. Values for SMP systems # are cumulative until I (or anyone else) can get per-cpu info out of # the kernel. Gkrellm can't even do that!!! :( # # sysctl order is: user nice sys intr idle sub read_cpu { my %args=@_; $rawcpu=`sysctl kern.cp_time`; chomp $rawcpu; # don't get why this is needed... (undef, $cpu1, $cpu2, $cpu3, $cpu4, $cpu5)=split(/ /,$rawcpu ); $cpu1old=0; $cpu2old=0; $cpu3old=0; $cpu4old=0; $cpu5old=0; if ( -e "cpu.dat" ) { open(CPU,"cpu.dat"); while () { ($cpu1old, $cpu2old, $cpu3old, $cpu4old, $cpu5old)=split / /; } close(CPU); } open(CPU,">cpu.dat"); print CPU $cpu1." ".$cpu2." ".$cpu3." ".$cpu4." ".$cpu5."\n"; close(CPU); # deltas $all=($cpu1+$cpu2+$cpu3+$cpu4+$cpu5)-($cpu1old+$cpu2old+$cpu3old+$cpu4old+$cpu5old); $cpuusr=($cpu1-$cpu1old)/$all; $cpunic=($cpu2-$cpu2old)/$all; $cpusys=($cpu3-$cpu3old)/$all; $cpuint=($cpu4-$cpu4old)/$all; $cpuidl=($cpu5-$cpu5old)/$all; HotSaNICmod::do_rrd("cpu","U",time,$cpuusr,$cpunic,$cpusys,$cpuidl,$cpuint); } ##################################################################################### # here we go with the load-average value ... # sub read_load { my %args=@_; (undef,undef,$load1,$load5,$load15,undef)=split(/ /,`/sbin/sysctl vm.loadavg`); HotSaNICmod::do_rrd("load","U",time,$load15,$load5,$load1); } ##################################################################################### # now the processes. We have to check how many processes are sleeping, # running, zombieng spwapped to disc or stopped. To do this we simply # have to walk through the /proc tree, check all "stat" files of each # process-id subdir and increment the according state-counter. # sub read_proc { my %args=@_; ($procslp,$procrun,$proczmb,$procstp,$procdsc)=(0,0,0,0,0); @states=`/bin/ps axostate`; foreach (@states) { $procslp++ if (/^[SI]/); #Sleeping (S=<20s, I=>20s) $procdsc++ if (/^D/); #Disk wait $procrun++ if (/^R/); #Running $proczmb++ if (/^Z/); #Zombie $procstp++ if (/^T/); #Stopped } HotSaNICmod::do_rrd("proc","U",time,$procslp,$procrun,$proczmb,$procstp,$procdsc); } ##################################################################################### # read users stats # sub read_users { my %args=@_; # XXX im not shure if this will work. PR @users=`who`; ($tty,$pty,$pts)=(0,0,0); foreach (@users) { if (index($_," ttyv") >=0 ) { $tty++; } elsif (index($_," ttyp") >=0 ) { $pty++; } elsif (index($_," pts") >=0 ) { $pts++; } } HotSaNICmod::do_rrd("users","U",time,$tty,$pty,$pts); } #################################################################################### # here we go with the memory and swap statistics... # sub read_mem { my %args=@_; # FreeBSD sucks for this... (undef, $pagesize) = split(/ /, `sysctl vm.stats.vm.v_page_size`); (undef, $memtotl) = split(/ /, `sysctl vm.stats.vm.v_page_count`); $memtotl *= $pagesize; (undef, $memfree) = split(/ /, `sysctl vm.stats.vm.v_free_count`); $memfree *= $pagesize; (undef, $memwire) = split(/ /, `sysctl vm.stats.vm.v_wire_count`); $memwire *= $pagesize; (undef, $memactv) = split(/ /, `sysctl vm.stats.vm.v_active_count`); $memactv *= $pagesize; (undef, $meminac) = split(/ /, `sysctl vm.stats.vm.v_inactive_count`);$meminac *= $pagesize; (undef, $memcach) = split(/ /, `sysctl vm.stats.vm.v_cache_count`); $memcach *= $pagesize; #get swap. #may be dodgy on systems with multiple swap partitions. however the #total should be printed on the last line, overwriting the vars open(IN,"/usr/sbin/pstat -sk|"); while() { (undef, undef, $swpuse, $swpfre) = split; } $swpuse*=1024; $swpfre*=1024; HotSaNICmod::do_rrd("mem","U",time,$memfree,$memwire,$memactv,$meminac,$memcach,$swpfre,$swpuse); } 1; WebSVN - hotsanic - Blame - Rev 9 - /branches/HotSaNIC-0.5.0-pre6/modules/system/platform/freebsd.pm
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