Class: JRuby::Profiler::CallgrindPrinter

Inherits:
Object
  • Object
show all
Defined in:
lib/jruby/profiler/callgrind_printer.rb

Instance Method Summary collapse

Instance Method Details

#get_info(serial) ⇒ Object

Returns filename, line number, method_name.

Parameters:

  • (Integer)

Returns:

  • filename, line number, method_name



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# File 'lib/jruby/profiler/callgrind_printer.rb', line 45

def get_info(serial)
  name = self.methodName(serial)
  file = '(jruby_runtime)'
  line = 0

  if pm = self.getProfileData().getProfiledMethods().get(serial)
    if m = pm.getMethod
      if m.respond_to?(:getFile)
        file = m.getFile
      end

      if m.respond_to?(:getLine)
        line = m.getLine
      end
    end
  end

  return [file, line, name]
end

#printFooter(out) ⇒ Object

Parameters:

  • out (IO) 


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# File 'lib/jruby/profiler/callgrind_printer.rb', line 11

def printFooter(out)
end

#printHeader(out) ⇒ Object

Parameters:

  • out (IO) 


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# File 'lib/jruby/profiler/callgrind_printer.rb', line 5

def printHeader(out)
  out.puts("events: process_time")
  out.puts()
end

#printProfile(out, is_first = false) ⇒ Object

Parameters:

  • out (IO) —

    Where we want to write our output

  • is_first (Boolean) (defaults to: false) —

    (false) Does nothing, at the moment



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# File 'lib/jruby/profiler/callgrind_printer.rb', line 16

def printProfile(out, is_first=false)
  ti = getTopInvocation()
  methods = self.class.methodData(ti);

  methods.entrySet.each do |entry|
    serial = entry.key
    method_data = entry.value
    file, line, method_name = get_info(serial)
    out.puts("fl=#{file}")
    out.puts("fn=#{method_name}")
    out.puts("#{line} #{method_data.selfTime}")

    method_data.children.to_a().each do |child_id|
      next if self.isThisProfilerInvocation(child_id)
      f, l, n = get_info(child_id)
      invs = method_data.rootInvocationsOfChild(child_id)
      num_calls = method_data.invocationsOfChild(child_id).totalCalls
      out.puts("cfl=#{f}")
      out.puts("cfn=#{n}")
      out.puts("calls=#{num_calls} #{l}")
      out.puts("#{l} #{invs.totalTime()}")
    end

    out.puts()
  end
end