P:\test>perl -MTime::HiRes=time -de1
perldb: Must not source insecure rcfile ./perldb.ini.
        You or the superuser must be the owner, and it must not
        be writable by anyone but its owner.

Loading DB routines from perl5db.pl version 1.25
Editor support available.

Enter h or `h h' for help, or `perldoc perldebug' for more help.

main::(-e:1):   1
  DB<1> print time . $/ for 1 .. 20;;
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.73438

  DB<2>