[tor-bugs] #25774 [Metrics/Ideas]: Record latency measurements using OnionPerf

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#25774: Record latency measurements using OnionPerf
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 Reporter:  irl            |          Owner:  metrics-team
     Type:  project        |         Status:  needs_review
 Priority:  Medium         |      Milestone:
Component:  Metrics/Ideas  |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:                 |  Actual Points:
Parent ID:                 |         Points:
 Reviewer:                 |        Sponsor:
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Changes (by karsten):

 * status:  new => needs_review


Comment:

 I just made a graph with circuit build times measured by all three
 OnionPerf instances in the past months:

 [[Image(buildtimes.png, 700px)]]

 If we were to put this on Tor Metrics, we'd probably make the source
 configurable and display either all sources at once or just a single one
 of them. And we'd probably stack the three graphs for the hops vertically,
 rather than horizontally, or alternatively use three colors for the three
 hops.

 I think this already addesses the "circuit build latency" part in the
 ticket description. What exactly is meant by "end-to-end latency" there?
 Maybe there's data for that, too.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25774#comment:1>
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