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, {})

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



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
 
# File 'lib/ruby-prof/flat_printer_with_line_numbers.rb', line 15

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