Re: timer signal loss on RT

Thomas Gleixner
2012-03-10T11:34:02Z

On Sat, 10 Mar 2012, Mark Hounschell wrote:
> I'm sure you can find many things wrong with this test case but I'm not
> sending it for discussion on the merits, or certainly the lack of, an
> application that contains a cpu hog, but only to show what I think is a
> problem with RT kernels.

Nope, PEBKAC.

Timer signals are delivered via ksoftirqd, so your cpu hog prevents
ksoftirqd frum running.

Thanks,

tglx