code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Tools/Profile.py

   1 import time
   2 from Directories import resolveFilename, SCOPE_SYSETC
   3
   4 PERCENTAGE_START = 50
   5 PERCENTAGE_END = 100
   6
   7 profile_start = time.time()
   8
   9 profile_data = {}
  10 total_time = 1
  11
  12 try:
  13         profile_old = open(resolveFilename(SCOPE_SYSETC, "profile"), "r").readlines()
  14
  15         t = None
  16         for line in profile_old:
  17                 (t, id) = line[:-1].split('\t')
  18                 t = float(t)
  19                 total_time = t
  20                 profile_data[id] = t
  21 except:
  22         print "no profile data available"
  23
  24 profile_file = open(resolveFilename(SCOPE_SYSETC, "profile"), "w")
  25
  26 def profile(id):
  27         now = time.time() - profile_start
  28         if profile_file:
  29                 profile_file.write("%.2f\t%s\n" % (now, id))
  30         if id in profile_data:
  31                 t = profile_data[id]
  32                 perc = t * (PERCENTAGE_END - PERCENTAGE_START) / total_time + PERCENTAGE_START
  33                 try:
  34                         open("/proc/progress", "w").write("%d \n" % perc)
  35                 except IOError:
  36                         pass
  37
  38 def profile_final():
  39         global profile_file
  40         if profile_file is not None:
  41                 profile_file.close()
  42                 profile_file = None