Re: [patch v8 9/9] sched/tg: remove blocked_load_avg in balance
From: Alex Shi
Date: Wed Jun 19 2013 - 05:50:26 EST
On 06/17/2013 10:01 PM, Peter Zijlstra wrote:
> On Mon, Jun 17, 2013 at 05:20:46AM -0700, Paul Turner wrote:
>> > On Fri, Jun 7, 2013 at 12:20 AM, Alex Shi <alex.shi@xxxxxxxxx> wrote:
>>> > > blocked_load_avg sometime is too heavy and far bigger than runnable load
>>> > > avg, that make balance make wrong decision. So remove it.
>> > Ok so this is going to have terrible effects on the correctness of
>> > shares distribution; I'm fairly opposed to it in its present form.
> Should someone take a look at the LTP cgroup tests to make sure they
> cover this properly?
Seems I have no time on this in near future. :(
But I were you, I would picked up this patch, since
1, it is simple and easy revert.
2, it wins in testing.
3, it will motivate Paul to look into this problem. ;)
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