On Wed, 2006-05-10 at 12:56 +0200, Thomas Gleixner wrote: > On Wed, 2006-05-10 at 06:49 -0400, Lee Revell wrote: > > > > > > This is only true, when high resolution timers are enabled. > > > > Is there any solution for the !CONFIG_HIGH_RES_TIMERS case? I for one > > can't use it because my hardware doesn't support it (no local APIC). > > What hardware platform ? > Via C3 mini ITX board. > HRT works with PIT only too. I was not aware of that. > Otherwise you really need to chrt the > hrtimers softirq prio statically. > The problem was that setting the thread's priority to 99 caused long latencies every 10 minutes when rt_secret_rebuild() ran, as if the timer callbacks that do real work and the ones that just deliver a signal are all running from the softirq timer thread. Lee > tglx > > >
