#compdef procstat

local pids
#get list of pids and associated process name as comment
pids=(${${${(f)"$(/usr/bin/procstat -ah)"}/[[:space:]]#/}/[[:space:]]*[[:space:]](ELF[[:digit:]]#[[:space:]]|-[[:space:]]#)/:})

_arguments -s \
'-b[display binary information for the process]' \
'-c[display command line arguments for the process]' \
'-f[display file descriptor information for the process]' \
'-k[display the stacks of kernel threads in the process]' \
'-s[display security credential information for the process]' \
'-t[display thread information for the process]' \
'-v[display virtual memory mappings for the process]' \
'-h[suppress table headers]' \
'-a[all processes]' \
':process id:(($pids))'