Date: Thu, 22 Feb 2024 13:20:40 -0000 (UTC) From: "Peter 'PMc' Much" <pmc@citylink.dinoex.sub.org> To: freebsd-hackers@freebsd.org Subject: Re: jails and CPU pinning Message-ID: <slrnuteih8.1ebh.pmc@disp.intra.daemon.contact> References: <bc619b88-945c-4c6b-ba99-4de1a361caab@plan-b.pwste.edu.pl>
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On 2024-02-13, Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> wrote: > Dear Knowledgeable Hackers, > > is CPU pinning supposed to work from inside the jail if the jail CPU set > is full? > From my observations processes inside the jails don't walk over > CPUs(?!) and can be pinned to specific CPUs neither from the host nor > from the jail. Is this expected behavior? root@edge:~ # jexec admn root@admn:/ # cpuset -g -p $$ pid 54831 mask: 6, 7, 8, 9 pid 54831 domain policy: prefer mask: 0 root@admn:/ # cpuset -l 9 bash [root@admn /]# cpuset -g -p $$ pid 55156 mask: 9 pid 55156 domain policy: first-touch mask: 0, 1 So what exactly is Your problem?
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