Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 17 May 2024 16:50:56 +0200 | From | Frederic Weisbecker <> | Subject | Re: [PATCH v4] time/tick-sched: idle load balancing when nohz_full cpu becomes idle. |
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Le Thu, May 16, 2024 at 07:53:21PM +0200, Peter Zijlstra a écrit : > On Thu, May 16, 2024 at 05:32:56PM +0200, Frederic Weisbecker wrote: > > On Thu, May 16, 2024 at 05:19:53PM +0200, Peter Zijlstra wrote: > > > > Yes, but stronger, as long as the CPU is part of a load-balance domain, > > > it must not disable the tick while running anything. > > > > > > that is, NOHZ_FULL must not become active unless it's running on a > > > single CPU partition. > > > > I like the idea but I'm afraid to introduce regressions while doing so, > > with people currently using nohz_full without proper partionning... > > There is no regression, if this is possible today it is utterly broken. > > This should never have been possible.
Ok, I'll try something.
Thanks.
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