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    SubjectRe: [ANNOUNCE][RFC] PlugSched-6.3.2 for 2.6.17-rc1
    Peter Williams wrote:
    > This version updates staircase scheduler to version 15 (thanks Con)
    > and includes the latest smpnice patches
    >
    > A patch for 2.6.17-rc1 is available at:
    >
    > <http://prdownloads.sourceforge.net/cpuse/plugsched-6.3.2-for-2.6.17-rc1.patch?download>
    >
    >
    > Very Brief Documentation:
    >
    > You can select a default scheduler at kernel build time. If you wish to
    > boot with a scheduler other than the default it can be selected at boot
    > time by adding:
    >
    > cpusched=<scheduler>
    >
    > to the boot command line where <scheduler> is one of: ingosched,
    > ingo_ll, nicksched, staircase, spa_no_frills, spa_ws, spa_svr, spa_ebs
    > or zaphod. If you don't change the default when you build the kernel
    > the default scheduler will be ingosched (which is the normal scheduler).
    >
    > The scheduler in force on a running system can be determined by the
    > contents of:
    >
    > /proc/scheduler
    >
    > Control parameters for the scheduler can be read/set via files in:
    >
    > /sys/cpusched/<scheduler>/
    >
    > Peter

    This fails to build when SCHEDSTATS is not configured in. The attached
    patch fixes that problem.

    Peter
    --
    Peter Williams pwil3058@bigpond.net.au

    "Learning, n. The kind of ignorance distinguishing the studious."
    -- Ambrose Bierce
    Index: Linux-2.6.17-rc1/include/linux/sched_pvt.h
    ===================================================================
    --- Linux-2.6.17-rc1.orig/include/linux/sched_pvt.h 2006-04-04 12:20:47.000000000 +1000
    +++ Linux-2.6.17-rc1/include/linux/sched_pvt.h 2006-04-04 16:27:33.000000000 +1000
    @@ -209,6 +209,7 @@ static inline void sched_info_switch(tas
    sched_info_arrive(next);
    }
    #else
    +#define schedstat_inc(rq, field) do { } while (0)
    #define sched_info_queued(t) do { } while (0)
    #define sched_info_switch(t, next) do { } while (0)
    #endif /* CONFIG_SCHEDSTATS */
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