Re: [PATCH] sched/fair: Fix wrong cpu selecting from isolated domain

2020-08-27 Thread Xunlei Pang
On 2020/8/24 PM8:30, Xunlei Pang wrote: > We've met problems that occasionally tasks with full cpumask > (e.g. by putting it into a cpuset or setting to full affinity) > were migrated to our isolated cpus in production environment. > > After some analysis, we found that it is due to the current >

Re: [PATCH] sched/fair: Fix wrong cpu selecting from isolated domain

2020-08-25 Thread Jiang Biao
On Tue, 25 Aug 2020 at 17:28, xunlei wrote: > > On 2020/8/25 下午2:37, Jiang Biao wrote: > > On Mon, 24 Aug 2020 at 20:31, Xunlei Pang wrote: > >> > >> We've met problems that occasionally tasks with full cpumask > >> (e.g. by putting it into a cpuset or setting to full affinity) > >> were migrated

Re: [PATCH] sched/fair: Fix wrong cpu selecting from isolated domain

2020-08-25 Thread xunlei
On 2020/8/25 下午2:37, Jiang Biao wrote: > On Mon, 24 Aug 2020 at 20:31, Xunlei Pang wrote: >> >> We've met problems that occasionally tasks with full cpumask >> (e.g. by putting it into a cpuset or setting to full affinity) >> were migrated to our isolated cpus in production environment. >> >> Afte

Re: [PATCH] sched/fair: Fix wrong cpu selecting from isolated domain

2020-08-24 Thread Jiang Biao
On Mon, 24 Aug 2020 at 20:31, Xunlei Pang wrote: > > We've met problems that occasionally tasks with full cpumask > (e.g. by putting it into a cpuset or setting to full affinity) > were migrated to our isolated cpus in production environment. > > After some analysis, we found that it is due to the

Re: [PATCH] sched/fair: Fix wrong cpu selecting from isolated domain

2020-08-24 Thread Srikar Dronamraju
* xunlei [2020-08-25 10:11:24]: > On 2020/8/24 PM9:38, Srikar Dronamraju wrote: > > * Xunlei Pang [2020-08-24 20:30:19]: > > > >> We've met problems that occasionally tasks with full cpumask > >> (e.g. by putting it into a cpuset or setting to full affinity) > >> were migrated to our isolated c

Re: [PATCH] sched/fair: Fix wrong cpu selecting from isolated domain

2020-08-24 Thread xunlei
On 2020/8/24 PM9:38, Srikar Dronamraju wrote: > * Xunlei Pang [2020-08-24 20:30:19]: > >> We've met problems that occasionally tasks with full cpumask >> (e.g. by putting it into a cpuset or setting to full affinity) >> were migrated to our isolated cpus in production environment. >> >> After som

Re: [PATCH] sched/fair: Fix wrong cpu selecting from isolated domain

2020-08-24 Thread Srikar Dronamraju
* Xunlei Pang [2020-08-24 20:30:19]: > We've met problems that occasionally tasks with full cpumask > (e.g. by putting it into a cpuset or setting to full affinity) > were migrated to our isolated cpus in production environment. > > After some analysis, we found that it is due to the current > s