fio software package provides flexible I/O tester, 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 fio
fio is installed in your system.
Make ensure the fio package were installed using the commands given below,
$ sudo dpkg-query -l | grep fio *
You will get with fio package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Utilities |
| Package | fio |
| Version | 2.0.8-2 |
| Description | flexible I/O tester |
| Sub Section | Utils |