ps -ef | grep cpanm
admtst 10665 18671  0 13:01 pts/1    00:00:00 /opt/app/release/perl/linux/5.18.2-7/bin/perl 5.18.2-7/bin/cpanm --verbose LWP::UserAgent

pstree -pa 10665
cpanm,10665 5.18.2-7/bin/cpanm --verbose LWP::UserAgent
  `-perl,11170 Makefile.PL