Re: rfc: high-resolution timer framework

[Alexander Shishkin <alexander.shishkin%teleca.com@localhost>]

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.

[1]: http://koowaldah.org/people/ash/netbsd/150908/

Regards,
--
Alex