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"""Transform gprof(1) output into useful HTML.""" |
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import html |
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import os |
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import re |
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import sys |
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import webbrowser |
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header = """\ |
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<html> |
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<head> |
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<title>gprof output (%s)</title> |
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</head> |
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<body> |
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<pre> |
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""" |
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trailer = """\ |
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</pre> |
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</body> |
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</html> |
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""" |
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def add_escapes(filename): |
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with open(filename) as fp: |
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for line in fp: |
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yield html.escape(line) |
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def gprof2html(input, output, filename): |
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output.write(header % filename) |
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for line in input: |
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output.write(line) |
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if line.startswith(" time"): |
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break |
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labels = {} |
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for line in input: |
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m = re.match(r"(.* )(\w+)\n", line) |
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if not m: |
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output.write(line) |
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break |
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stuff, fname = m.group(1, 2) |
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labels[fname] = fname |
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output.write('%s<a name="flat:%s" href="#call:%s">%s</a>\n' % |
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(stuff, fname, fname, fname)) |
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for line in input: |
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output.write(line) |
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if line.startswith("index % time"): |
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break |
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for line in input: |
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m = re.match(r"(.* )(\w+)(( <cycle.*>)? \[\d+\])\n", line) |
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if not m: |
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output.write(line) |
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if line.startswith("Index by function name"): |
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break |
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continue |
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prefix, fname, suffix = m.group(1, 2, 3) |
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if fname not in labels: |
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output.write(line) |
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continue |
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if line.startswith("["): |
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output.write('%s<a name="call:%s" href="#flat:%s">%s</a>%s\n' % |
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(prefix, fname, fname, fname, suffix)) |
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else: |
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output.write('%s<a href="#call:%s">%s</a>%s\n' % |
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(prefix, fname, fname, suffix)) |
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for line in input: |
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for part in re.findall(r"(\w+(?:\.c)?|\W+)", line): |
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if part in labels: |
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part = '<a href="#call:%s">%s</a>' % (part, part) |
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output.write(part) |
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output.write(trailer) |
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def main(): |
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filename = "gprof.out" |
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if sys.argv[1:]: |
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filename = sys.argv[1] |
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outputfilename = filename + ".html" |
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input = add_escapes(filename) |
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with open(outputfilename, "w") as output: |
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gprof2html(input, output, filename) |
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webbrowser.open("file:" + os.path.abspath(outputfilename)) |
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if __name__ == '__main__': |
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main() |
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