[lkml]   [2003]   [Aug]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH] O12.2int for interactivity

    Con Kolivas wrote:
    > On Thu, 14 Aug 2003 16:09, William Lee Irwin III wrote:
    >>William Lee Irwin III wrote:
    >>"scale" on which scheduling events should happen, and as tasks become
    >>more cpu-bound, they have longer timeslices, so that two cpu-bound
    >>tasks of identical priority will RR very slowly and have reduced
    >>context switch overhead, but are near infinitely preemptible by more
    >>interactive or short-running tasks.
    > Actually the timeslice handed out is purely dependent on the static priority,
    > not the priority it is elevated or demoted to by the interactivity estimator.
    > However lower priority tasks (cpu bound ones if the estimator has worked
    > correctly) will always be preempted by higher priority tasks (interactive
    > ones) whenever they wake up.

    Ok, so tasks at priority, say, 5 are all run before any tasks at
    priority 6, but when a priority 6 task runs, it gets a longer timeslice?

    How much longer?

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:47    [W:0.019 / U:18.680 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site