Gets data from freertos and prints on frequency change depending
if it's important. Gathering is not costly, printing is though.
For less intrusive checks I would rather disable names gathering
as in worst case scenario it hangs rtos context switching till
thread id is found.
Improve structure of the module sys. Problems within this module
prevents from linking others.
Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>
