Re: [PATCH] sched: Enable arch-specific asym packing option in sched domain

From: Michael Neuling
Date: Fri May 04 2012 - 18:51:58 EST


> We need this for Tegra's slight asymmetry with core0.

This would seem to be to be a different problem. I don't think the
packing mechanism is what you want.

Shouldn't you be increasing the CPU power of this core, so that all
tasks get a fair go on this core? Otherwise you're breaking the
fundamental concept of a completely fair scheduler.

Using this packing mechanism you won't get this. Any task that lands on
core 0 will get an unfair amount of computation power, compared to tasks
that landed on core 1.

Mikey
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