Messages in this thread | | | Date | Fri, 15 Jul 2016 11:37:15 -0400 | From | Steven Rostedt <> | Subject | Re: [ANNOUNCE] 4.6.4-rt8 |
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On Fri, 15 Jul 2016 17:31:22 +0200 Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:
> * Steven Rostedt | 2016-07-15 11:22:44 [-0400]: > > >> Changes since v4.6.4-rt8: > >> > >> - Import Thomas' timer rework known as "timer: Refactor the timer > >> wheel" patch set which made its way into the -TIP tree. With this > >> changes we get NOHZ_FULL working. Finally. > > > >Does this mean that there's no more 1 second tick? > > >From tracing there a timer wakeup each second but before we had a wakeup > each jiffy because we could not lookup the next timer without taking the > base lock which we can do now. > However if there is room for improvement to have a wakeup every two or > five seconds I am all for it because from RT point of view we should be > able to do the same things as the non-RT version.
Ah, that's right. I forgot that NOHZ_FULL was broken in -rt, which sorta defeated the point, as NOHZ_FULL is a birth child of -rt in the first place.
OK, thanks for clarifying.
-- Steve
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