* Lee Revell <[email protected]> wrote:
> On Thu, 2005-08-11 at 13:00 +0200, Ingo Molnar wrote:
> > i have released the -53-01 Real-Time Preemption patch, which can be
> > downloaded from:
> >
> > http://redhat.com/~mingo/realtime-preempt/
> >
> > there are two new features in this release, which justified the jump
> > from .52 to .53:
> >
> > - the inclusion of the High Resolution Timers patch, written by
> > George Anzinger, and ported/improved/cleaned-up by Thomas Gleixner.
> >
>
> George,
>
> Very nice to see this going in (via) the RT patch.
>
> Can we get a real help text here:
>
> Clock & Timer Selection
> > 1. Legacy Timer Support (LEGACY_TIMER) (NEW)
> 2. HPET Timer Support (HPET_TIMER)
> 3. High Resolution Timer Support (HIGH_RES_TIMERS) (NEW)
> choice[1-3?]: ?
>
> You may have either HPET, High Resolution, or Legacy timer support.
>
> This would be a great place to put some of your extensive docs about the
> various timer sources and issues on x86. I have always thought the HRT
> docs were the best source on the net for this info, and I refer people
> to it whenever someone has a question about timers on the linux audio
> lists.
>
> The docs for "High Resolution Timer clock source" are great.
>
> Can we get more docs here:
>
> HRT Softirg dynamic priority adjustment (HIGH_RES_TIMERS_DYN_PRIO)
> ^^^ typo
> [N/y/?] (NEW) ?
>
> This option enables the dynamic priority adjustment of the
> high resolution timer soft interrupt
>
> No point documenting this one if it's expected to go away though.
this feature is from Thomas - and most of the PREEMPT_RT integration
work too (and hence all the bugs are purely his fault too! ;-).
In the -53-03 patch i've made HIGH_RES_TIMERS_DYN_PRIO always-on for
PREEMPT_RT, but for other preemption models it's still selectable
individually, so some more docs would indeed be useful.
Ingo
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