[SchedTest] Add a better script to run tests

This is just a revised and cleaned version of the previous script, which
should now be extended to include other tests as well as more plots.

Signed-off-by: Patrick Bellasi <derkling@gmail.com>
[CPUFreq] Add a script to switch the CPUFreq governor

This easy the selection of "ondemand" vs "performance" governors.

Signed-off-by: Patrick Bellasi <derkling@gmail.com>
[SBox] Simple script to setup a SandBoxed GCroup

This script exploits CGroups to setup two partitions:
1. HOST - containing all the system tasks
2. SBox - reserved to run testing workload

Signed-off-by: Patrick Bellasi <derkling@gmail.com>
[InitEnv] Add utility to setup the testing environment

This is a simple script which setup CPUfreq and a testing SandBox.
The RT scheduler quota is also configured to allow RT tasks in both the
SBox and HOST partitions.

Signed-off-by: Patrick Bellasi <derkling@gmail.com>
[Monitor] Add a set of test monitors

This script is used to setup a set of RT monitoring tasks which could
be useful to check the testing progresses as well as to verify their
proper execution.

Signed-off-by: Patrick Bellasi <derkling@gmail.com>