On Thu, Dec 14, 2017 at 10:55:22AM -0500, John Snow wrote:
> 
> 
> On 12/14/2017 03:38 AM, Paolo Bonzini wrote:
> > On 14/12/2017 01:59, John Snow wrote:
> >>      qemu_coroutine_yield();
> >> +    job->last_yield_ns = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
> > 
> > This is not the time the job has yielded control, but the time the job
> > has gotten it back.  Is it intended?
> > 
> > Thanks,
> > 
> > Paolo
> > 
> 
> Yes, since that matches how mirror recorded last_sleep_ns, except for
> where it records the 0ns sleep, then it records it beforehand (close
> enough.)
> 
> I intended for this valuable to count how long we haven't yielded,
> basically. Thought being that any time we are yielded, we're being
> cooperative.
> 
> This is the selfishness counter :)

Maybe last_enter_ns is a clearer name.