[LITMUS^RT] A question in experiment part of LITMUS

[Björn Brandenburg]

On Jul 11, 2012, at 8:23 PM, Hang Su wrote:
> In 4.1 (Runtime Overheads) in[1], it said that each task set was
> traced for 30 seconds. As the authors mentioned before in [1], a task
> is corresponding to a process in OS. My question is what these
> processes are doing in 30 seconds. Are they executing some benchmarks
> or just doing some simple calculations, like i++ ?
> 

We typically use tasks that access a given amount of memory (WSS) in a  tight loop. This consumes CPU cycles and creates cache and memory bus contention.

- Björn