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 [email protected]
"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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