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Viewing changes to Tools/scripts/gprof2html.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-03-23 00:01:27 UTC
  • Revision ID: james.westby@ubuntu.com-20090323000127-5fstfxju4ufrhthq
Tags: upstream-3.1~a1+20090322
Import upstream version 3.1~a1+20090322

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Tools/scripts/gprof2html.py
 
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#! /usr/bin/env python2.3
 
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"""Transform gprof(1) output into useful HTML."""
 
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import re, os, sys, cgi, 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(input):
 
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    for line in input:
 
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        yield cgi.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(file(filename))
 
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    output = file(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+)(( &lt;cycle.*&gt;)? \[\d+\])\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()