How to calculate a task time in rtos?

[dani]

Hello all,

I have written a code in c for Arm7 using RTOS. There are multiple tasks who's priority is set to same level. So the tasks executes on round-robin base.

There is an exception that one task (Default) has set to lower priority then the other task in rtos. So that if no task is running, the default or lower priority task runs.

Now i want to calculate the exact total timing (time duration) for that default task runs.

Can any one give some idea what to do .... and how to do in code..

Regards
Dani

 

[amraldo]

I did a similar thing in uCOS-II using the software timers. You can check the code and results @ https://embedded-tips.blogspot.com/2010/05/running-timers-of-ucos-ii-to-measure_28.html
--
Amr Ali

 

[goshka]

Sett any LPT pin at start task

Reset same LPT pin at task return.

Oscilloscope must be connected to this LPT pin.