Re: [discussion]sched: a rough proposal to enable power saving inscheduler

From: Alan Cox
Date: Tue Aug 21 2012 - 14:48:44 EST


> Why? Good scheduling is useful even in isolation.

For power - I suspect it's damn near irrelevant except on a big big
machine.

Unless you've sorted out your SATA, fixed your phy handling, optimised
your desktop for wakeups and worked down the big wakeup causes one by one
it's turd polishing.

PM means fixing the stack top to bottom, and its a whackamole game, each
one you fix you find the next. You have to sort the entire stack from
desktop apps to kernel.

However benchmarks talk - so lets have some benchmarks ... on a laptop.

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/