Tools/scripts/gprof2html.py

   1 #! /usr/bin/env python2.3
   2
   3 """Transform gprof(1) output into useful HTML."""
   4
   5 import re, os, sys, cgi, webbrowser
   6
   7 header = """\
   8 <html>
   9 <head>
  10   <title>gprof output (%s)</title>
  11 </head>
  12 <body>
  13 <pre>
  14 """
  15
  16 trailer = """\
  17 </pre>
  18 </body>
  19 </html>
  20 """
  21
  22 def add_escapes(input):
  23     for line in input:
  24         yield cgi.escape(line)
  25
  26 def main():
  27     filename = "gprof.out"
  28     if sys.argv[1:]:
  29         filename = sys.argv[1]
  30     outputfilename = filename + ".html"
  31     input = add_escapes(file(filename))
  32     output = file(outputfilename, "w")
  33     output.write(header % filename)
  34     for line in input:
  35         output.write(line)
  36         if line.startswith(" time"):
  37             break
  38     labels = {}
  39     for line in input:
  40         m = re.match(r"(.*  )(\w+)\n", line)
  41         if not m:
  42             output.write(line)
  43             break
  44         stuff, fname = m.group(1, 2)
  45         labels[fname] = fname
  46         output.write('%s<a name="flat:%s" href="#call:%s">%s</a>\n' %
  47                      (stuff, fname, fname, fname))
  48     for line in input:
  49         output.write(line)
  50         if line.startswith("index % time"):
  51             break
  52     for line in input:
  53         m = re.match(r"(.*  )(\w+)(( &lt;cycle.*&gt;)? \[\d+\])\n", line)
  54         if not m:
  55             output.write(line)
  56             if line.startswith("Index by function name"):
  57                 break
  58             continue
  59         prefix, fname, suffix = m.group(1, 2, 3)
  60         if fname not in labels:
  61             output.write(line)
  62             continue
  63         if line.startswith("["):
  64             output.write('%s<a name="call:%s" href="#flat:%s">%s</a>%s\n' %
  65                          (prefix, fname, fname, fname, suffix))
  66         else:
  67             output.write('%s<a href="#call:%s">%s</a>%s\n' %
  68                          (prefix, fname, fname, suffix))
  69     for line in input:
  70         for part in re.findall(r"(\w+(?:\.c)?|\W+)", line):
  71             if part in labels:
  72                 part = '<a href="#call:%s">%s</a>' % (part, part)
  73             output.write(part)
  74     output.write(trailer)
  75     output.close()
  76     webbrowser.open("file:" + os.path.abspath(outputfilename))
  77
  78 if __name__ == '__main__':
  79     main()