What would keep it from firing? The latency -t 1 works fine. At its core both 
user thread and kernel
thread use xntimers so they should all fire.
________________________________________
From: Philippe Gerum [r...@xenomai.org]
Sent: Sunday, December 06, 2015 10:48 AM
To: Seeger, Steven D. (GSFC-444.0)[Embedded Flight Systems, Inc]; 
xenomai@xenomai.org
Subject: Re: [Xenomai] powerpc 440 userspace latency test does nothing

On 12/05/2015 07:53 PM, Steven Seeger wrote:
> More info on this.
>
> timer_gettime() on latency's timerfd returns 0 seconds and 1 nanosecond,
> indicating the timer has not expired.

This value usually indicates an expired but not yet handled timer shot;
that would match your description of an elapsed timer that did not
trigger the associated action.

--
Philippe.

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