Re: [ANNOUNCE][RFC] PlugSched-6.3.1 for 2.6.16-rc5

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Peter Williams wrote:
Peter Williams wrote:
This version updates staircase scheduler to version 14.1 (thanks Con) and includes the latest smpnice patches

A patch for 2.6.16-rc5 is available at:

<http://prdownloads.sourceforge.net/cpuse/plugsched-6.3.1-for-2.6.16-rc5.patch?download>

and for 2.6.16-rc5-mm1 at:

<http://prdownloads.sourceforge.net/cpuse/plugsched-6.3.1-for-2.6.16-rc5-mm1.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



Now available for 2.6.16 at:

<http://prdownloads.sourceforge.net/cpuse/plugsched-6.3.1-for-2.6.16.patch?download>

and 2.6.16-mm2 at:

<http://prdownloads.sourceforge.net/cpuse/plugsched-6.3.1-for-2.6.16-mm2.patch?download>

Con and Nick,
I've taken the liberty of modifying staircase and nicksched (in the 2.6.16-mm2 version) to support priority inheritance. I'd appreciate it if you could review the code?

Thanks,
Peter
--
Peter Williams                                   [email protected]

"Learning, n. The kind of ignorance distinguishing the studious."
 -- Ambrose Bierce
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