Re: PREEMPT_RT patch vs RTAI/Xenomai

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On Thu, May 13, 2010 at 10:01:12AM +0200, Armin Steinhoff wrote:
> I did a test with user space based CAN driver.

The Linux CAN interface is SocketCAN. Do you see a usecase where this
doesn't fit?

> Already the standard distribution of SUSE 11.2 (non RT) was able to
> handle 1000 frames per seconds sent by a QNX6 machine !!

Realtime != fast.

> The latency test of PREEMPT_RT shows a latency of ~10us for a
> dual-core box at 1.8GHz.

It depends on the load.

rsc
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