core_profiler
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package core_profiler
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All three profilers -- the disabled one, the online one and the offline one -- implement Profiler_intf.

module Profiler : sig ... end
module Timer : Probe with type 'a create_args := 'a timer_create_args and type 'a record_args := 'a timer_record_args

A Timer contains only a time stamp and no extra information; however, it is useful because (in Offline) the current time is recorded when measurements are made.

module Probe : Probe with type 'a create_args := 'a probe_create_args and type 'a record_args := 'a probe_record_args

A Probe records some integer value that is passed to at along with a timestamp.

module Delta_probe : sig ... end

Delta_probe is an optimized two-probe group to track changes to some counter.

module Delta_timer : sig ... end

Delta_timer is an optimized two-probe group to track time differences between calls to start and stop.