[tor-bugs] #5707 [Tor Client]: Use end to end timing data to further prune circuits

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#5707: Use end to end timing data to further prune circuits
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 Reporter:  mikeperry                   |          Owner:                  
     Type:  enhancement                 |         Status:  new             
 Priority:  normal                      |      Milestone:  Tor: unspecified
Component:  Tor Client                  |        Version:                  
 Keywords:  performance needs-research  |         Parent:                  
   Points:                              |   Actualpoints:                  
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Comment(by mikeperry):

 FYI: Research here doesn't mean we need to wait for an academic paper.
 There's a ton of circuit build time graphing scripts in torflow at
 https://gitweb.torproject.org/torflow.git/tree/HEAD:/CircuitAnalysis/BuildTimes

 These could be adapted to record + graph stream attempts to localhost, to
 measure time until you get the STREAM_CLOSE REASON=EXIT_POLICY response.

 A couple of graphs of this should be all we need to determine if we can
 reuse the math.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5707#comment:2>
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