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