lkml.org 
[lkml]   [2005]   [Dec]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [ANNOUNCE][RFC] PlugSched-6.1.6 for 2.6.15-rc5 and 2.6.15-rc5-mm2
Peter Williams wrote:
> This version features a major gutting of the SPA based schedulers to
> reduce overhead. The inclusion of the mechanisms for gathering and
> displaying accrued scheduling statistics have been made a compile time
> configurable option (default is exclusion) as they are not an integral
> part of the scheduler and were mainly there to help with tuning. In a
> future version they will be removed completely.
>
> Additionally, the mechanism for auto detection and preferential
> treatment of media streamers in the spa_ws scheduler has been made a
> compile time option (default is exclusion). The reason for this is that
> my testing shows that the performance of media streamers on spa_ws is
> adequate without it. This will also be removed in a future version
> unless requested otherwise.
>
> A patch for 2.6.15-rc5 is available at:
>
> <http://prdownloads.sourceforge.net/cpuse/plugsched-6.1.6-for-2.6.15-rc5.patch?download>
>
>
> and a patch for 2.6.15-rc5-mm2 is available at:
>
> <http://prdownloads.sourceforge.net/cpuse/plugsched-6.1.6-for-2.6.15-rc5-mm2.patch?download>

This applies cleanly to 2.6.15-rc5-mm3 so no new patch for that kernel
will be posted.

>
>
> 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,
> nicksched, staircase, spa_no_frills, spa_ws, spa_svr 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


--
Peter Williams pwil3058@bigpond.net.au

"Learning, n. The kind of ignorance distinguishing the studious."
-- Ambrose Bierce
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-12-16 00:30    [from the cache]
©2003-2011 Jasper Spaans