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    SubjectRe: [tbench regression fixes]: digging out smelly deadmen.

    * Evgeniy Polyakov <s0mbre@tservice.net.ru> wrote:

    > > i'm glad that you are looking into this! That is an SMP box, right?
    > > If yes then could you try this sched-domains tuning utility i have
    > > written yesterday (incidentally):
    > >
    > > http://redhat.com/~mingo/cfs-scheduler/tune-sched-domains
    >
    > I've removed SD_BALANCE_NEWIDLE:
    > # ./tune-sched-domains $[191-2]

    > And got noticeble improvement (each new line has fixes from previous):
    >
    > vanilla 27: 347.222
    > no TSO/GSO: 357.331
    > no hrticks: 382.983
    > no balance: 389.802

    okay. The target is 470 MB/sec, right? (Assuming the workload is sane
    and 'fixing' it does not mean we have to schedule worse.)

    We are still way off from 470 MB/sec.

    Ingo


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