util/oprofile-top.py

   1 #! /usr/bin/env python3
   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 # Parse sampled function profile output (quick hack).
  30
  31 import sys
  32 import re
  33 import getopt
  34 from categories import *
  35
  36 def category(app,sym):
  37     if re.search("vmlinux-2.6", app):
  38         name = sym
  39     else:
  40         name = app
  41
  42     if name in categories:
  43         return categories[name]
  44     for regexp, cat in categories_re:
  45         if regexp.match(name):
  46             return cat
  47     print("no match for symbol %s" % name)
  48     return 'other'
  49
  50 try:
  51    (opts, files) = getopt.getopt(sys.argv[1:], 'i')
  52 except getopt.GetoptError:
  53         print("usage", sys.argv[0], "[-i] <files>")
  54         sys.exit(2)
  55
  56 showidle = True
  57
  58 for o,v in opts:
  59     if o == "-i":
  60         showidle = False
  61 print(files)
  62 f = open(files.pop())
  63 total = 0
  64 prof = {}
  65 linenum  = 0
  66 for line in f.readlines():
  67     line = re.sub("\(no symbols\)", "nosym", line)
  68     line = re.sub("anonymous.*", "nosym", line)
  69     linenum += 1
  70     if linenum < 4:
  71         continue
  72     (count, percent, app, sym) = line.split()
  73     #total += int(count)
  74     cat = category(app,sym)
  75     if cat != 'idle' or showidle:
  76       total += int(count)
  77       prof[cat] = prof.get(cat,0) + int(count)
  78
  79 cats = ['other', 'user', 'copy', 'bufmgt', 'stack', 'driver', 'interrupt', 'alignment' ]
  80
  81 if showidle:
  82    cats.insert(0,'idle')
  83
  84 #syms = [(i[1], i[0]) for i in prof.items()]
  85 #syms.sort()
  86 #for i in range(len(syms)):
  87 #    print "%s -- %5.1f%% " % (prof[i][1], 100 * float(prof[i][0])/float(total))
  88
  89 for d in cats:
  90     if d in prof:
  91         print("%s -- %5.1f%% " % (d, 100 * float(prof[d])/float(total)))
  92