Messages in this thread | | | Subject | Re: [RFC PATCH] sched/fair: Optionally restrict SMT scheduling ("restrict_smt") | From | Sergio Lopez <> | Date | Fri, 02 Feb 2018 16:14:01 +0100 |
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On Thu, 2018-02-01 at 15:37 +0100, Mike Galbraith wrote: > On Thu, 2018-02-01 at 13:37 +0100, Sergio Lopez wrote: > > Compared against "isolcpus", "restrict_smt" presents the following > > advantages: > > - Doesn't require prior knowledge of the CPU topology, making it > > more friendly to both end users and automation tools. > > - Load balancing is still active for tasks pinned to multiple > > secondary SMT threads. > > This says that everybody and everything in the box is way smarter > than the admin.
If that's an argument in favor of manual pinning and isolation, I have to disagree with you. That's an unnecessary burden put on the shoulders of the admin.
Sergio.
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