gem5/util/oprofile-top.py

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#! /usr/bin/env python2
# Copyright (c) 2005 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Ali Saidi
# Nathan Binkert
# Parse sampled function profile output (quick hack).
import sys
import re
import getopt
from categories import *
def category(app,sym):
if re.search("vmlinux-2.6", app):
name = sym
else:
name = app
if categories.has_key(name):
return categories[name]
for regexp, cat in categories_re:
if regexp.match(name):
return cat
print "no match for symbol %s" % name
return 'other'
try:
(opts, files) = getopt.getopt(sys.argv[1:], 'i')
except getopt.GetoptError:
print "usage", sys.argv[0], "[-i] <files>"
sys.exit(2)
showidle = True
for o,v in opts:
if o == "-i":
showidle = False
print files
f = open(files.pop())
total = 0
prof = {}
linenum = 0
for line in f.readlines():
line = re.sub("\(no symbols\)", "nosym", line)
line = re.sub("anonymous.*", "nosym", line)
linenum += 1
if linenum < 4:
continue
(count, percent, app, sym) = line.split()
#total += int(count)
cat = category(app,sym)
if cat != 'idle' or showidle:
total += int(count)
prof[cat] = prof.get(cat,0) + int(count)
cats = ['other', 'user', 'copy', 'bufmgt', 'stack', 'driver', 'interrupt', 'alignment' ]
if showidle:
cats.insert(0,'idle')
#syms = [(i[1], i[0]) for i in prof.items()]
#syms.sort()
#for i in range(len(syms)):
# print "%s -- %5.1f%% " % (prof[i][1], 100 * float(prof[i][0])/float(total))
for d in cats:
if prof.has_key(d):
print "%s -- %5.1f%% " % (d, 100 * float(prof[d])/float(total))