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src/subversion/tools/dev/benchmarks/suite1/benchmark.py  view on Meta::CPAN

                 (div_avg, ),
                 barheight,
                 color=col, edgecolor='white')
      plot1.text(0., y + height/2.,
                 '%s %+5.1f%%' % (label, div_avg),
                 ha='right', va='center', size='small',
                 rotation=0, family='monospace')

      plot2.barh((y, ),
                 (diff_val, ),
                 barheight,
                 color=col, edgecolor='white')
      plot2.text(0., y + height/2.,
                 '%s %+6.2fs' % (label, diff_val),
                 ha='right', va='center', size='small',
                 rotation=0, family='monospace')


  for p in (plot1, plot2):
    xlim = list(p.get_xlim())
    if xlim[1] < 10.:
      xlim[1] = 10.
    # make sure the zero line is far enough right so that the annotations
    # fit inside the chart. About half the width should suffice.
    if xlim[0] > -xlim[1]:
      xlim[0] = -xlim[1]
    p.set_xlim(*xlim)
    p.set_xticks((0,))
    p.set_yticks(group_positions + (height / 2.))
    p.set_yticklabels(())
    p.set_ylim((len(command_names), 0))
    p.grid()

  plot1.set_xticklabels(('+-0%',), rotation=0)
  plot1.set_title('Average runtime change from %s in %%' % labels[0],
                  size='medium')

  plot2.set_xticklabels(('+-0s',), rotation=0)
  plot2.set_title('Average runtime change from %s in seconds' % labels[0],
                  size='medium')

  margin = 1./(2 + N*M)
  titlemargin = 0
  if options.title:
    titlemargin = margin * 1.5

  fig.subplots_adjust(left=0.005, right=0.995, wspace=0.3, bottom=margin,
                      top=1.0-margin-titlemargin)

  ystep = (1.0 - 2.*margin - titlemargin) / len(command_names)

  for idx,command_name in enumerate(command_names):
    ylabel = '%s\nvs. %.1fs' % (
                     command_name,
                     left[command_name][3])

    ypos=1.0 - margin - titlemargin - ystep/M - ystep * idx
    plt.figtext(0.5, ypos,
                command_name,
                ha='center', va='top',
                size='medium', weight='bold')
    plt.figtext(0.5, ypos - ystep/(M+1),
                '%s\n= %.2fs' % (
                  labels[0], left[command_name][3]),
                ha='center', va='top',
                size='small')

  if options.title:
    plt.figtext(0.5, 1. - titlemargin/2, options.title, ha='center',
                va='center', weight='bold')

  plt.savefig(chart_path)
  print 'wrote chart file:', chart_path


# ------------------------------------------------------------ main


# Custom option formatter, keeping newlines in the description.
# adapted from:
# http://groups.google.com/group/comp.lang.python/msg/09f28e26af0699b1
import textwrap
class IndentedHelpFormatterWithNL(optparse.IndentedHelpFormatter):
  def format_description(self, description):
    if not description: return ""
    desc_width = self.width - self.current_indent
    indent = " "*self.current_indent
    bits = description.split('\n')
    formatted_bits = [
      textwrap.fill(bit,
        desc_width,
        initial_indent=indent,
        subsequent_indent=indent)
      for bit in bits]
    result = "\n".join(formatted_bits) + "\n"
    return result

if __name__ == '__main__':
  parser = optparse.OptionParser(formatter=IndentedHelpFormatterWithNL())
  # -h is automatically added.
  ### should probably expand the help for that. and see about -?
  parser.add_option('-v', '--verbose', action='store_true', dest='verbose',
                    help='Verbose operation')
  parser.add_option('-b', '--svn-bin-dir', action='store', dest='svn_bin_dir',
                    default='',
                    help='Specify directory to find Subversion binaries in')
  parser.add_option('-f', '--db-path', action='store', dest='db_path',
                    default='benchmark.db',
                    help='Specify path to SQLite database file')
  parser.add_option('-o', '--chart-path', action='store', dest='chart_path',
                    help='Supply a path for chart output.')
  parser.add_option('-c', '--command-names', action='store',
                    dest='command_names',
                    help='Comma separated list of command names to limit to.')
  parser.add_option('-t', '--title', action='store',
                    dest='title',
                    help='For charts, a title to print in the chart graphics.')

  parser.set_description(__doc__)
  parser.set_usage('')


  options, args = parser.parse_args()

  def usage(msg=None):
    parser.print_help()
    if msg:
      print
      print msg
    bail()