Messages in this thread | | | Date | Mon, 2 Mar 2015 12:01:16 -0500 | From | Tejun Heo <> | Subject | Re: [PATCH v4 2/2] cpusets,isolcpus: add file to show isolated cpus in cpuset |
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On Thu, Feb 26, 2015 at 12:12:31PM -0500, Rik van Riel wrote: > On Thu, 26 Feb 2015 19:05:57 +0800 > Zefan Li <lizefan@huawei.com> wrote: > > > Make it return -ENOMEM ? Or make it a global variable and allocate memory for it > > in cpuset_init(). > > Here you are. This addresses your concern, as well as the > issue David Rientjes found earlier. > > ---8<--- > > Subject: cpusets,isolcpus: add file to show isolated cpus in cpuset > > 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. > > Acked-by: David Rientjes <rientjes@google.com> > Cc: Peter Zijlstra <peterz@infradead.org> > Cc: Clark Williams <williams@redhat.com> > Cc: Li Zefan <lizefan@huawei.com> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Luiz Capitulino <lcapitulino@redhat.com> > Cc: David Rientjes <rientjes@google.com> > Cc: Mike Galbraith <umgwanakikbuti@gmail.com> > Cc: cgroups@vger.kernel.org > Signed-off-by: Rik van Riel <riel@redhat.com>
Applied 1-2 to cgroup/for-4.1.
Thanks.
-- tejun
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