Messages in this thread | | | Date | Wed, 19 Aug 2015 09:23:23 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH 3/3] sched: Implement interface for cgroup unified hierarchy |
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Hello, Kame.
On Wed, Aug 19, 2015 at 08:39:43AM +0900, Kamezawa Hiroyuki wrote: > An actual per-thread use case in our customers is qemu-kvm + cpuset. > customers pin each vcpus and qemu-kvm's worker threads to cpus. > For example, pinning 4 vcpus to cpu 2-6 and pinning qemu main thread and > others(vhost) to cpu 0-1.
taskset and/or teach qemu how to confiure its worker threads?
> This is an actual kvm tuning on our customers for performance guarantee. > > In another case, cpu cgroup's throttling feature is used per vcpu for vm cpu sizing.
Yeap, this is something we likely want to implement in an accessible way. For kvm, per-thread throttling configuration is enough, right?
Thanks.
-- tejun
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