Re: PREEMPT_RT vs I-PIPE: the numbers, part 2

[Karim Yaghmour]

Ingo Molnar wrote:
> otherwise par_test_irq_handler will run with interrupts enabled, opening 
> the window for other interrupts to be injected and increasing the 
> worst-case latency! Take a look at drivers/char/lpptest.c how to do this 
> properly. Also, double-check that there is no IRQ 7 thread running on 
> the PREEMPT_RT kernel, to make sure you are measuring irq latencies.

We'll check on this also. Thanks for pointing it out.

Karim
-- 
Author, Speaker, Developer, Consultant
Pushing Embedded and Real-Time Linux Systems Beyond the Limits
http://www.opersys.com || karim@xxxxxxxxxxx || 1-866-677-4546
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/