Re: [PATCH 3/4] cpusets,isolcpus: add file to show isolated cpus in cpuset

[Tejun Heo]

On Mon, Mar 09, 2015 at 12:12:09PM -0400, riel@xxxxxxxxxx wrote:
> From: Rik van Riel <riel@xxxxxxxxxx>
> 
> 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.

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/