prtstat − print statistics of a process
prtstat
[−r|−−raw] pid
prtstat −V|−−version
prtstat prints the statistics of the specified process. This information comes from the /proc/pid/stat file.
−r, −−raw
Print the information in raw format.
−V, −−version
Show the version information for prtstat.
/proc/pid/stat
source of the information prtstat uses.