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Re: rfc: high-resolution timer framework



On Mon, Sep 15, 2008 at 01:48:35PM +0300, Alexander Shishkin wrote:
> On Thu, Aug 07, 2008 at 02:07:48PM +0300, Alexander Shishkin wrote:
> > On Fri, Aug 01, 2008 at 05:35:04PM +0000, Christos Zoulas wrote:
> > Now I've come to think of it, in the present of these patches it really
> > is similar to CLOCK_MONOTONIC, not CLOCK_REALTIME, but that's not the
> > case. I wanted to propose to have both in kernel for a certain time so
> > that it is easier to compare using various benchmarks, which is better
> > and what performance issues might arise with both.
> > 
> > After that, if the idea proves feasible (which I hope it does), callout
> > mechanism could be made to use this approach as well, instead of the
> > periodic timer interrupt.
> > 
> > And after that, we can start thinking about eliminating the periodic
> > timer interrupt per se whenever a one-shot hardware timers are
> > available.
> 
> Here's [1] the updated patchset, against current HEAD.
> 

Once again, the updated patchset is here [1]. The most recent patchset
is also linked here [2].

[1]: http://koowaldah.org/people/ash/netbsd/221008/
[2]: http://koowaldah.org/people/ash/netbsd/PENDING-CURRENT/

Regards,
--
Alex


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