Re: [PATCH v5 3/7] sched: set initial value of runnable avg for newforked task

[Peter Zijlstra]

On Tue, May 07, 2013 at 11:24:52AM +0800, Alex Shi wrote:
> It will give new forked task 1 ms extra running time. That will bring
> incorrect info if the new forked goes to sleep a while.
> But this info should benefit to some benchmarks like aim7,
> pthread_cond_broadcast. So I am convinced. :)
> 
> What's your opinion of this, Peter?

We're going to get it wrong anyhow (lack of crystal ball instruction);
overestimating the load seems like the best deal wrt latency for new tasks.

The only other option we could try (not sure its even worth trying) would be
half load.
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