cpu		ulong(total,user,nice,sys,idle,frequency)
mem		ulong(total,used,free,shared,buffer,cached,user,locked)
swap		ulong(total,used,free)
uptime		double(uptime,idletime)
loadavg		double(loadavg[0],loadavg[1],loadavg[2])
shm_limits	ulong(shmmax,shmmin,shmmni,shmseg,shmall)
msg_limits	ulong(msgpool,msgmap,msgmax,msgmnb,msgmni,msgssz,msgtql)
sem_limits	ulong(semmap,semmni,semmns,semmnu,semmsl,semopm,semume,semusz,semvmx,semaem)
proclist	ulong(number,size,total)
proc_state	str(cmd):char(state):ulong(uid,gid)
proc_uid	long(uid,euid,gid,egid,pid,ppid,pgrp,session,tty,tpgid,priority,nice)
proc_mem	long(size,vsize,resident,share,rss,rss_rlim)
proc_time	long(start_time,utime,stime,cutime,cstime,timeout,it_real_value)
proc_signal	long(signal,blocked,sigignore,sigcatch)
proc_kernel	ulong(k_flags,min_flt,maj_flt,cmin_flt,cmaj_flt,kstk_esp,kstk_eip,wchan)
proc_segment	long(trs,lrs,drs,dt):ulong(start_code,end_code,start_stack)
