Try the benchmark with rtl_set_periodic
On Sat, Apr 17, 1999 at 10:39:57AM -0500, Pierre Cloutier wrote:
>
> I ran a simple test to measure the time required to perform 120,000 task
> switches:
>
> // Both tasks A and B were initialised for FPU, B's priority < A's
> TaskA()
> {
> for(i=0;i<60000;i++) rt_task_resume(B);// do nothing else
> }
>
> TaskB()
> {
> for(;;) rt_task_suspend(B);// do nothing else
> }
>
> Using a 233 MHz MMX processor I get the following elapsed times:
>
> RTLinux V1 .753 second
> RTAI .303 second
>
> Can someone explain why RTAI is so much faster despite the SMP overhead?
>
>
>
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