Class: RubyProf::FlatPrinterWithLineNumbers

Inherits:
FlatPrinter show all
Defined in:
lib/ruby-prof/flat_printer_with_line_numbers.rb

Overview

Generates flat profile reports as text. To use the flat printer with line numbers:

result = RubyProf.profile do
  [code to profile]
end

printer = RubyProf::FlatPrinterWithLineNumbers.new(result)
printer.print(STDOUT, 0)

Instance Method Summary collapse

Methods inherited from FlatPrinter

#print

Methods inherited from AbstractPrinter

#initialize, #method_name, #min_percent, #print_file, #setup_options

Constructor Details

This class inherits a constructor from RubyProf::AbstractPrinter

Instance Method Details



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# File 'lib/ruby-prof/flat_printer_with_line_numbers.rb', line 16

def print_methods(thread_id, methods)
  # Get total time
  toplevel = methods.max
  total_time = toplevel.total_time
  if total_time == 0
    total_time = 0.01
  end

  # Now sort methods by largest self time,
  # not total time like in other printouts
  methods = methods.sort do |m1, m2|
    m1.self_time <=> m2.self_time
  end.reverse

  @output << "Thread ID: %d\n" % thread_id
  @output << "Total: %0.6f\n" % total_time
  @output << "\n"
  @output << " %self     total     self     wait    child    calls  name\n"
  sum = 0
  methods.each do |method|
    self_percent = (method.self_time / total_time) * 100
    next if self_percent < min_percent

    sum += method.self_time
    #self_time_called = method.called > 0 ? method.self_time/method.called : 0
    #total_time_called = method.called > 0? method.total_time/method.called : 0

    @output << "%6.2f  %8.2f %8.2f %8.2f %8.2f %8d  %s " % [
                  method.self_time / total_time * 100, # %self
                  method.total_time,                   # total
                  method.self_time,                    # self
                  method.wait_time,                    # wait
                  method.children_time,                # children
                  method.called,                       # calls
                  method_name(method),                 # name
              ]
     if method.source_file != 'ruby_runtime'
       @output << "  %s:%s" % [File.expand_path(method.source_file), method.line]
     end
     @output << "\n\tcalled from: "

     # make sure they're unique
     method.call_infos.map{|ci|
       if ci.parent && ci.parent.target.source_file != 'ruby_runtime'
          [method_name(ci.parent.target), File.expand_path(ci.parent.target.source_file), ci.parent.target.line]
       else
          nil
       end
     }.compact.uniq.each{|args|
         @output << " %s (%s:%s) " % args
     }
     @output << "\n\n"
  end
end