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    SubjectRe: [PATCH 0/9] Per-cgroup /proc/stat
    Date
    Peter Zijlstra <a.p.zijlstra@chello.nl> writes:
    >
    > Guys we should seriously trim back a lot of that code, not grow ever
    > more and more. The sad fact is that if you build a kernel with
    > cpu-cgroup support the context switch cost is more than double that of a
    > kernel without, and then you haven't even started creating cgroups yet.

    That sounds indeed quite bad. Is it known why it is so costly?

    -Andi
    --
    ak@linux.intel.com -- Speaking for myself only


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