Re: 4.3 group scheduling regression

[Peter Zijlstra]

On Mon, Oct 12, 2015 at 09:44:57AM +0200, Mike Galbraith wrote:

> It's odd to me that things look pretty much the same good/bad tree with
> hogs vs hogs or hogs vs tbench (with top anyway, just adding up times).
> Seems Xorg+mplayer more or less playing cross group ping-pong must be
> the BadThing trigger.

Ohh, wait, Xorg and mplayer are _not_ in the same group? I was assuming
you had your entire user session in 1 (auto) group and was competing
against 8 manual cgroups.

So how exactly are things configured?
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