package tracing

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Sometimes you only have timing information on when messages entered the input queue of a system and when the result was sent out of the system.

This module lets you guess a start time for events using the simple property that in a single-threaded system an event can't start processing until the later of when it arrives and when you finished processing the preceeding event to be sent out.

type t
val create : unit -> t

You must create a new instance for each single-threaded system you want to apply this logic to, since it keeps internal state about when the last message was sent out.

val event_start : t -> output_time:Core.Time_ns.Span.t -> ?input_time:Core.Time_ns.Span.t -> unit -> Core.Time_ns.Span.t

Guess the start time of an event given when it entered and exited the system.

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