Date: Tue, 22 Jan 2019 13:29:37 -0500 From: Mark Saad <nonesuch@longcount.org> To: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: CPU Isolation Message-ID: <CAMXt9NbKwZAwv%2BWJ4yqmeMFmX38n=qjUqJSq4kOq2qdNSVEhHg@mail.gmail.com>
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All I am looking to setup a 12-STABLE box in a way that is similar to a CentOS server I am running. That server is setup using the boot option isocpus, to remove cores/cpus from the kernel scheduler at boot. What I want to try on 12-STABLE is to set aside some cores to run process and some kernel threads that will only always run on a dedicated core with out the chance for being preempted / interrupted by something else on that core / cpu . What I do not see is a way to evict processes off a running cpu post boot or a way to isolate them preboot. Am I missing something? -- mark saad | nonesuch@longcount.org
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