Re: [tip:sched/urgent] sched: Fix cross-cpu clock sync on remotewakeups

[Peter Zijlstra]

On Fri, 2011-06-03 at 12:55 +0200, Peter Zijlstra wrote:
> On Fri, 2011-06-03 at 12:36 +0200, Peter Zijlstra wrote:
> > > Can we get some numbers for how often the two cases occur on some
> > > various workloads?
> > 
> > Sure, let me stick some counters in. 
> 
> Of 128765 IPIs, 17483 were with an empty list (boot + make -j64).
> 
> I didn't yet look at where those empty ones originated from.

After two more make clean; make -j64 cycles thats:

 250082:24793

So on this load its 10+:1.
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