Re: [RFC patch 0/8] timekeeping: Implement shadow timekeeper toshorten in kernel reader side blocking

[Eric Dumazet]

On Thu, 2013-02-21 at 22:51 +0000, Thomas Gleixner wrote:

> Now the obvious question whether this is worth the trouble can be
> answered easily. Preempt-RT users and HPC folks have complained about
> the long write hold time of the timekeeping seqcount since years and a
> quick test on a preempt-RT enabled kernel shows, that this series
> lowers the maximum latency on the non-timekeeping cores from 8 to 4
> microseconds. That's a whopping factor of 2. Defintely worth the
> trouble!

Thanks for doing this !


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/