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    SubjectRe: suspend blockers & Android integration
    Linus Torvalds <> writes:

    > On Thu, 3 Jun 2010, Arjan van de Ven wrote:
    >> And because there's then no power saving (but a performance cost), it's
    >> actually a negative for battery life/total energy.
    > Including the UP optimizations we do (ie lock prefix removal)? It's

    Those only help the kernel and most workloads do not do enough kernel
    execution for it to really matter, but spend most of their
    time in user space.

    Even if as kernel programmers we often have a different view, in most
    cases most cycles are in user space :)

    -- -- Speaking for myself only.

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      Last update: 2010-06-04 12:45    [W:0.021 / U:16.612 seconds]
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