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# frozen_string_literal: true
module Datadog
module Core
module Utils
# Common database-related utility functions.
module Time
module_function
# Current monotonic time
#
# @param unit [Symbol] unit for the resulting value, same as ::Process#clock_gettime, defaults to :float_second
# @return [Numeric] timestamp in the requested unit, since some unspecified starting point
def get_time(unit = :float_second)
Process.clock_gettime(Process::CLOCK_MONOTONIC, unit)
end
# Current wall time.
#
# @return [Time] current time object
def now
::Time.now
end
# Overrides the implementation of `#now
# with the provided callable.
#
# Overriding the method `#now` instead of
# indirectly calling `block` removes
# one level of method call overhead.
#
# @param block [Proc] block that returns a `Time` object representing the current wall time
def now_provider=(block)
define_singleton_method(:now, &block)
end
def measure(unit = :float_second)
before = get_time(unit)
yield
after = get_time(unit)
after - before
end
def as_utc_epoch_ns(time)
# we use #to_r instead of #to_f because Float doesn't have enough precision to represent exact nanoseconds, see
# https://rubyapi.org/3.0/o/time#method-i-to_f
(time.to_r * 1_000_000_000).to_i
end
end
end
end
end
Version data entries
28 entries across 28 versions & 2 rubygems