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Bug #11490 ยป allocation_tracker_bug.rb

chancancode (Godfrey Chan), 08/27/2015 07:38 AM

 
require 'objspace'

Kernel.module_eval do
if defined?(gem_original_require)
alias_method :original_require, :gem_original_require
else
alias_method :original_require, :require
end

def require(path)
original_require(path)
end
end

nokogiri_gemspec = Gem::Specification.stubs.find { |gem| gem.name == 'nokogiri' }

nokogiri_gemspec.require_paths.each { |path| $: << File.expand_path(path, nokogiri_gemspec.full_gem_path) }

ObjectSpace.trace_object_allocations { require 'nokogiri' }

allocations = Hash.new(0)

ObjectSpace.each_object do |obj|
allocations["#{ObjectSpace.allocation_sourcefile(obj)}:#{ObjectSpace.allocation_sourceline(obj)}"] += 1
end

allocations.to_a.sort_by { |(_,count)| -count }.each do |(source, count)|
puts "#{source} => #{count}"
end
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