Messages in this thread | | | Date | Fri, 16 Dec 2005 10:28:11 +1100 | From | Peter Williams <> | Subject | Re: [ANNOUNCE][RFC] PlugSched-6.1.6 for 2.6.15-rc5 and 2.6.15-rc5-mm2 |
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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
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