Class: Toaster::MemDump

Inherits:
Object
  • Object
show all
Defined in:
lib/toaster/util/mem_dump.rb

Class Method Summary collapse

Class Method Details



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# File 'lib/toaster/util/mem_dump.rb', line 8

def self.print_dump(pattern=".*")
  Util.write("/tmp/foo.dump.out", "lala", true)
  res = {}
  count = 0
  ObjectSpace.each_object do |obj|
    cls = obj.class
    res[cls] = res[cls] ? res[cls] + 1 : 1
    count += 1
    print "Counted #{count} objects" if (count % 100000 == 0)
  end
  array = []
  res.each do |clazz,count|
    name = clazz.name
    if name.match(/#{pattern}/)
      array << [clazz,count]
    end
  end
  # sort by decreasing number of instances
  array.sort! { |o1,o2| o2[1] <=> o1[1] }
  array = array[0..50]
  out = ""
  array.each do |i|
    tmp = "#{i[0]} \t- Class #{i[0]}"
    out += tmp
    puts tmp
  end
  Util.write("/tmp/foo.dump.out", out, true)
  return array
end