Re: [PATCH 0/5] clocksource patches

From: Ingo Molnar
Date: Wed Apr 05 2006 - 09:43:37 EST



* Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> > For example above you bascially only state that your clock event source
> > is superior and the correct way of doing this without any explanation why
> > (and the "No, thanks." doesn't exactly imply that you're even interested
> > in alternatives).
>
> The question arises, who is not interested in alternatives. You are
> well aware about the efforts others made, but you don't even think
> about working together with them. Do you really expect people to jump
> on your train, when you entirely ignore their work and efforts and
> just propose your own view of the world?
>
> I did nowhere say that I'm not interested in alternative solutions.
> You interpret it into my words for whatever reason.

just to explain it to everyone: the code Thomas refers to and which we
are working on is John's GTOD patchset with Thomas' high-resolution
timers patches ontop of it. [all of that (and more) is glued together in
the -rt tree as well].

Thomas' hrtimers queue (ontop of 2.6.16) is a practical, working
implementation of the clock-event design Thomas is talking about,
resulting in a working high-resolution timers solution that spans all
the relevant Linux APIs: nanosleep() and POSIX timers. So Thomas'
arguments derive straight from that experience.

for more details, the latest hrtimers code can be found at:

http://tglx.de/projects/hrtimers

the merge of the hrtimers subsystem into 2.6.16 was just the first step,
and the next steps are expressed in the patches above.

Ingo
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