CXCONSUMER Not Entirely Harmless

Erik Darling points out a case where CXCONSUMER waits are important:

In this sample there are absolutely no waits whatsoever on CXPACKET.

They are nonexistent.

If you were hoping to find out that they were way crazy out of control call a priest and ditch your bar tab we’re driving on the train tracks, you’ll be awfully disappointed.

There just aren’t any.

There’s only one core in use for nearly the entire duration, aside from some blips.

That’s disappointing.  I was hoping to be able to ignore this wait altogether.

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