Messages in this thread |  | | Date | Wed, 18 Mar 2015 19:40:15 -0400 | | From | Rik van Riel <> | | Subject | Re: [PATCH 3/4] cpusets,isolcpus: add file to show isolated cpus in cpuset |
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On 03/18/2015 12:47 PM, Tejun Heo wrote: > On Mon, Mar 09, 2015 at 12:12:09PM -0400, riel@redhat.com wrote: >> From: Rik van Riel <riel@redhat.com> >> >> The previous patch makes it so the code skips over isolcpus when >> building scheduler load balancing domains. This makes it hard to >> see for a user which of the CPUs in a cpuset are participating in >> load balancing, and which ones are isolated cpus. >> >> Add a cpuset.isolcpus file with info on which cpus in a cpuset are >> isolated CPUs. >> >> This file is read-only for now. In the future we could extend things >> so isolcpus can be changed at run time, for the root (system wide) >> cpuset only. > > Didn't Li say that this is trivially computable from userland? I'm > not sure this knob actually belongs to cpuset.
I don't know whether the information to compute this is always visible from userland. I am happy to drop this patch if Li prefers things that way, though.
Li?
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