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    SubjectRe: [PATCH V3 3/7] workqueue: Add helpers to schedule work on any cpu
    Hello, Viresh.

    On Fri, Mar 29, 2013 at 12:57:23PM +0530, Viresh Kumar wrote:
    > On 28 March 2013 23:43, Tejun Heo <tj@kernel.org> wrote:
    > > Viresh, would it be difficult to make another measurement of the same
    > > workload with the said workqueues converted to unbound? I think that
    > > would at least provide a nice reference point.
    >
    > My heart is shattered after getting the results :)
    >
    >
    > Cluster A15 Energy Cluster A7 Energy Total
    > ------------------------- ----------------------- ------
    >
    > Without this patchset (Energy in Joules):
    > ---------------------------------------------------
    > 0.322866 2.619137 2.942003
    >
    >
    > With this patchset (Energy in Joules):
    > -----------------------------------------------
    > 0.182721 2.443745 2.626466
    >
    >
    > With WQ Unbound (Energy in Joules):
    > -----------------------------------------------
    > 0.2289042 2.2514632 2.4803674


    So the scheduler does know what it's doing after all, which is a nice
    news. Given the result, the best thing to do would be somehow marking
    these workqueues as unbound for powersaving?

    Thanks!

    --
    tejun


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