Plumbers: Tweaking scheduler policy micro-conf RFP
svaidy at linux.vnet.ibm.com
Tue May 15 16:30:42 UTC 2012
* Vincent Guittot <vincent.guittot at linaro.org> [2012-05-15 17:05:47]:
> On 15 May 2012 15:00, Peter Zijlstra <peterz at infradead.org> wrote:
> > On Tue, 2012-05-15 at 14:57 +0200, Vincent Guittot wrote:
> >> Not sure that nobody cares but it's much more that scheduler,
> >> load_balance and sched_mc are sensible enough that it's difficult to
> >> ensure that a modification will not break everything for someone
> >> else.
> > Thing is, its already broken, there's nothing else to break :-)
> sched_mc is the only power-aware knob in the current scheduler. It's
> far from being perfect but it seems to work on some ARM platform at
> least. You mentioned at the scheduler mini-summit that we need a
> cleaner replacement and everybody has agreed on that point. Is anybody
> working on it yet ? and can we discuss at Plumber's what this
> replacement would look like ?
In the earlier discussion we listed down the cleanup requirements.
I made a cleanup patch that unifies the sysfs interface as a first
[RFC PATCH v1 0/2] sched: unified sched_powersavings tunables
I need to make this scheme generically work on different topology,
which is the real problem that we need to solve.
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