libdevel-size-perl software package provides Perl extension for finding the memory usage of Perl variables, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libdevel-size-perl
libdevel-size-perl is installed in your system.
Make ensure the libdevel-size-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdevel-size-perl *
You will get with libdevel-size-perl package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Perl |
| Package | libdevel-size-perl |
| Version | 0.77-1+b1 [amd64, armel, i386, |
| Description | Perl extension for finding the memory usage of Perl variables |
| Sub Section | Perl |