Module: Rex::Stopwatch

Defined in:

lib/rex/stopwatch.rb

Class Method Summary

• .elapsed_time(unit: :float_second) { ... } ⇒ Object

  This provides a correct way to time an operation provided within a block.

Class Method Details

.elapsed_time(unit: :float_second) { ... } ⇒ Object

This provides a correct way to time an operation provided within a block.

Parameters:

• unit (Symbol) (defaults to: :float_second) —

  The unit of time in which to measure the duration. The argument is passed to Process.clock_gettime which defines the acceptable values.

Yields:

• The block whose operation should be timed.

Returns:

• Returns the result of the block and the elapsed time in the specified unit.

See Also:

• https://blog.dnsimple.com/2018/03/elapsed-time-with-ruby-the-right-way/
• https://ruby-doc.org/core-2.7.1/Process.html#method-c-clock_gettime

# File 'lib/rex/stopwatch.rb', line 15

def self.elapsed_time(unit: :float_second)
  start = Process.clock_gettime(Process::CLOCK_MONOTONIC, unit)
  ret = yield
  elapsed = Process.clock_gettime(Process::CLOCK_MONOTONIC, unit) - start

  [ret, elapsed]
end