On Wed, Oct 23, 2013 at 5:15 PM, Gavin Flower
<gavinflo...@archidevsys.co.nz> wrote:
> Anyhow, I was suggesting the faclity be off by default - I see no point in
> enabling where people don't need it, even if the resource RAM, processor,
> whatever, were minimal.

As long as any new field in the Counters struct needs to be protected
by a spinlock, I will be suspicious of the cost. The track_io_timing
stuff is still protected, even when it's turned off. So I'm afraid
that it isn't that simple.

-- 
Peter Geoghegan


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