2011-08-17 12:08:23 +04:00
#
# parse the output of "dracut --profile" and produce profiling information
#
# Copyright 2011 Harald Hoyer <harald@redhat.com>
# Copyright 2011 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import sys
import operator
import re
loglines = sys . stdin
logpats = r ' [+]+[ \ t]+([^ \ t]+)[ \ t]+([^ \ t:]+):[ ]+.* '
logpat = re . compile ( logpats )
groups = ( logpat . match ( line ) for line in loglines )
tuples = ( g . groups ( ) for g in groups if g )
def gen_times ( t ) :
oldx = None
for x in t :
fx = float ( x [ 0 ] )
if oldx :
#print fx - float(oldx[0]), x[0], x[1], oldx[0], oldx[1]
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if ( ( fx - float ( oldx [ 0 ] ) ) > 0 ) :
yield ( fx - float ( oldx [ 0 ] ) , oldx [ 1 ] )
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oldx = x
colnames = ( ' time ' , ' line ' )
log = ( dict ( zip ( colnames , t ) ) for t in gen_times ( tuples ) )
if __name__ == ' __main__ ' :
e = { }
for x in log :
if not x [ ' line ' ] in e :
e [ x [ ' line ' ] ] = x [ ' time ' ]
else :
e [ x [ ' line ' ] ] + = x [ ' time ' ]
sorted_x = sorted ( e . iteritems ( ) , key = operator . itemgetter ( 1 ) , reverse = True )
for x in sorted_x :
print x [ 0 ] , x [ 1 ]