====== Hangout 22 December 2016 ======

  * gnn@ continues to work on the DTrace specification

  * astrnad@ asks gnn@ to look into whether or not the back pressure feature has actually been released by Apple

  * domagoj@ is looking at the DTrace in a VM naming problem

  * domagoj@ has a working example of talking to various instances within bhyve VMs.  

  * domagoj@ is looking at how to control DTrace in multiple VMs, possibly via the debugger.  gnn@ suggests talking to gcjenkinson@ about using the DDtrace stuff being developed to do this type of thing.