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Contents
# frozen_string_literal: true
module SidekiqUniqueJobs
#
# Class MethodProfiler provides method level profiling
#
# @author Mikael Henriksson <mikael@zoolutions.se>
#
class Profiler
def self.patch(klass, methods, name) # rubocop:disable Metrics/MethodLength
patches = methods.map do |method_name|
<<~RUBY
unless defined?(#{method_name}__mp_unpatched)
alias_method :#{method_name}__mp_unpatched, :#{method_name}
def #{method_name}(*args, &blk)
unless prof = Thread.current[:_method_profiler]
return #{method_name}__mp_unpatched(*args, &blk)
end
begin
start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
#{method_name}__mp_unpatched(*args, &blk)
ensure
data = (prof[:#{name}] ||= {duration: 0.0, calls: 0})
data[:duration] += Process.clock_gettime(Process::CLOCK_MONOTONIC) - start
data[:calls] += 1
end
end
end
RUBY
end.join("\n")
klass.class_eval patches
end
def self.start
Thread.current[:_method_profiler] = {
__start: Process.clock_gettime(Process::CLOCK_MONOTONIC),
}
end
def self.stop
finish = Process.clock_gettime(Process::CLOCK_MONOTONIC)
return unless (data = Thread.current[:_method_profiler])
Thread.current[:_method_profiler] = nil
start = data.delete(:__start)
data[:total_duration] = finish - start
data
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems