On Wed, 2016-10-05 at 08:29 +, Koehrer Mathias (ETAS/ESW5) wrote:
> Hi all,
>
> I noticed that with fairly new versions of the Linux kernel, the igb driver
> causes huge latencies with the cyclictest in a RT_PREEMPT environment.
> The root cause seems to be the number of interrupts that are us
Hi all,
I noticed that with fairly new versions of the Linux kernel, the igb driver
causes huge latencies with the cyclictest in a RT_PREEMPT environment.
The root cause seems to be the number of interrupts that are used for the igb
NIC devices as multiple of these irqs may occur at the same time