util/oprofile-top.py

   1 #! /usr/bin/env python
   2
   3 # Copyright (c) 2005 The Regents of The University of Michigan
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions are
   8 # met: redistributions of source code must retain the above copyright
   9 # notice, this list of conditions and the following disclaimer;
  10 # redistributions in binary form must reproduce the above copyright
  11 # notice, this list of conditions and the following disclaimer in the
  12 # documentation and/or other materials provided with the distribution;
  13 # neither the name of the copyright holders nor the names of its
  14 # contributors may be used to endorse or promote products derived from
  15 # this software without specific prior written permission.
  16 #
  17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 #
  29 # Authors: Ali Saidi
  30 #          Nathan Binkert
  31
  32 # Parse sampled function profile output (quick hack).
  33
  34 import sys
  35 import re
  36 import getopt
  37 from categories import *
  38
  39 def category(app,sym):
  40     if re.search("vmlinux-2.6", app):
  41         name = sym
  42     else:
  43         name = app
  44
  45     if categories.has_key(name):
  46         return categories[name]
  47     for regexp, cat in categories_re:
  48         if regexp.match(name):
  49             return cat
  50     print "no match for symbol %s" % name
  51     return 'other'
  52
  53 try:
  54    (opts, files) = getopt.getopt(sys.argv[1:], 'i')
  55 except getopt.GetoptError:
  56         print "usage", sys.argv[0], "[-i] <files>"
  57         sys.exit(2)
  58
  59 showidle = True
  60
  61 for o,v in opts:
  62     if o == "-i":
  63         showidle = False
  64 print files
  65 f = open(files.pop())
  66 total = 0
  67 prof = {}
  68 linenum  = 0
  69 for line in f.readlines():
  70     line = re.sub("\(no symbols\)", "nosym", line)
  71     line = re.sub("anonymous.*", "nosym", line)
  72     linenum += 1
  73     if linenum < 4:
  74         continue
  75     (count, percent, app, sym) = line.split()
  76     #total += int(count)
  77     cat = category(app,sym)
  78     if cat != 'idle' or showidle:
  79       total += int(count)
  80       prof[cat] = prof.get(cat,0) + int(count)
  81
  82 cats = ['other', 'user', 'copy', 'bufmgt', 'stack', 'driver', 'interrupt', 'alignment' ]
  83
  84 if showidle:
  85    cats.insert(0,'idle')
  86
  87 #syms = [(i[1], i[0]) for i in prof.items()]
  88 #syms.sort()
  89 #for i in range(len(syms)):
  90 #    print "%s -- %5.1f%% " % (prof[i][1], 100 * float(prof[i][0])/float(total))
  91
  92 for d in cats:
  93     if prof.has_key(d):
  94         print "%s -- %5.1f%% " % (d, 100 * float(prof[d])/float(total))
  95