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Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace
Date 2016-07-12 15:10 +0200
Message-ID <rU5BM-5k0-43@gated-at.bofh.it> (permalink)
References (1 earlier) <rJZQZ-7rp-1@gated-at.bofh.it> <rOH73-2eF-9@gated-at.bofh.it> <rU2aS-2Zl-31@gated-at.bofh.it> <rU4mm-4l8-21@gated-at.bofh.it> <rU5iq-4W1-21@gated-at.bofh.it>
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On Tue, Jul 12, 2016 at 03:41:42PM +0300, Nikolay Borisov wrote:

> Namespaces and cgroups are completely orthogonal to one another. 

Then how do you specify what your new 'root' is? Surely you must first
create a cgroup and then confine yourself to that?

> Also in the v1 of cgroups it's possible to have a process member of
> more than 1 cgroup.

Yeah, so? We only care about the perf controller obviously.

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Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace Aravinda Prasad <aravinda@linux.vnet.ibm.com> - 2016-07-12 11:30 +0200
  Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace Peter Zijlstra <peterz@infradead.org> - 2016-07-12 13:50 +0200
    Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace Nikolay Borisov <kernel@kyup.com> - 2016-07-12 14:50 +0200
      Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace Peter Zijlstra <peterz@infradead.org> - 2016-07-12 15:10 +0200
        Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace ebiederm@xmission.com (Eric W. Biederman) - 2016-07-12 16:10 +0200
          Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace Peter Zijlstra <peterz@infradead.org> - 2016-07-12 16:30 +0200
            Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace Aravinda Prasad <aravinda@linux.vnet.ibm.com> - 2016-07-12 18:10 +0200
        Re: [RFC PATCH 2/2] perf: Filter events based on perf-namespace Aravinda Prasad <aravinda@linux.vnet.ibm.com> - 2016-07-12 18:30 +0200

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