86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
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#! /usr/bin/env python3
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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 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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output = open(outputfilename, "w")
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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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output.close()
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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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