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#!/usr/bin/python
import re, sys
interesting_re = re.compile("(js_Execute|CallHook) ([^ ]+) ([^ ]+ )?([^ ]+ms)")
class Entry:
def __init__(self, kind, depth, file, linenum, func, timetaken):
self.kind = kind
self.depth = depth
self.file = file
self.linenum = linenum
self.func = func
self.timetaken = timetaken
self.calls = 0
self.duration = 0
def __str__(self):
return " ".join(map(str,[self.kind, self.depth, self.file, self.linenum, self.func, self.timetaken]))
def id(self):
if self.kind == "js_Execute":
return self.file
else:
if self.file and self.linenum:
strout = "%s:%d" % (self.file, self.linenum)
if self.func:
strout = "%s %s" % (self.func, strout)
return strout
elif self.func:
return self.func
else:
print("No clue what my id is:"+self)
def call(self, timetaken):
self.calls += 1
self.duration += timetaken
def parse_line(line):
m = interesting_re.search(line)
if not m:
return None
ms_index = line.find("ms")
depth = m.start() - ms_index - 3
kind = m.group(1)
func = None
file = None
linenum = None
if kind == "CallHook":
func = m.group(2)
file = m.group(3)
colpos = file.rfind(":")
(file,linenum) = file[:colpos], file[colpos+1:-1]
if linenum == "0":
linenum = None
else:
linenum = int(linenum)
offset = 1
else:
file = m.group(3)
timetaken = None
try:
timetaken = float(m.group(4)[:-2])
except:
return None
return Entry(kind, depth, file, linenum, func, timetaken)
def compare(x,y):
diff = x[1].calls - y[1].calls
if diff == 0:
return int(x[1].duration - y[1].duration)
elif diff > 0:
return 1
elif diff < 0:
return -1
def frequency(ls):
dict = {}
for item in ls:
id = item.id()
stat = None
if not id in dict:
stat = dict[id] = item
else:
stat = dict[id]
stat.call(item.timetaken)
ls = dict.items()
ls.sort(compare)
ls = filter(lambda (_,item): item.duration > 20, ls)
# ls = filter(lambda (_,item): item.file and item.file.find("browser.js") != -1 and item.linenum <= 1223 and item.linenum >1067, ls)
for key, item in ls:
print(item.calls,key, str(item.duration)+"ms")
def go():
file = sys.argv[1]
ls = filter(lambda x: x != None, map(parse_line, open(file).readlines()))
frequency(ls)
print ls[0]
go()
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