sdcc/support/regression/get_ticks.py

   1 import sys, re, io
   2 import string
   3
   4 """Simple script that scans all of the simulator output text fed in
   5 through stdin and summarises the total number of system clock ticks."""
   6
   7 # Read in everything
   8 if sys.version_info[0]<3:
   9     safe_stdin = sys.stdin
  10 else:
  11     safe_stdin = io.TextIOWrapper(sys.stdin.buffer, encoding="latin-1")
  12 lines = safe_stdin.readlines()
  13
  14 # Declare globals
  15 bytes = 0
  16 ticks = 0
  17
  18 for line in lines:
  19     # 'n words read from ...', where = # bytes in hex file
  20     if (re.search(r'words read from', line)):
  21         (data, post) = re.split(r'words', line, 1)
  22         data = re.sub(r'[^0-9]',' ',data).strip().split();
  23         if len(data)>0:
  24           bytes = int(data[-1])
  25         else:
  26           bytes = 0 # wrong size, but better than blowing up
  27
  28     # 'Total time since last reset= 0.102021 sec (i clks)',
  29     # where i = # system clock ticks.
  30     if (re.search(r'^Total time', line)):
  31         (pre, data) = re.split(r'\(', line)
  32         (nticks, post) = re.split(r' ', data)
  33         ticks = int(nticks)
  34
  35 print("\n--- Simulator: %d/%d: %d bytes, %d ticks" % (bytes, ticks, bytes, ticks))