[LITMUS^RT] Measure overheads under cfs or sched fifo

[Glenn Elliott]

On Feb 10, 2014, at 7:29 AM, ayoade gbadebo <gbaduz at gmail.com> wrote:

> I will like to measure overheads when I am not using the litmus scheduler plugins.
> I observed ft trace does not work if I am using normal linux schedluler like cfs or sched fifo. I tried strace but it is not fine gained enough like litmus ft trace.
> Is there any tool available for this.

It’s possible to extend ft trace to other parts of the kernel.  There is nothing in the feather-trace infrastructure that requires Litmus scheduling.  However, you may have to dig into the kernel code yourself and add the necessary tracepoints.

-Glenn