tplist: Print one-based location and argument indices

The `trace` and `argdist` tools expect location and argument indices
to start at 1 -- the first argument is arg1, and so on. The `tplist`
tool now prints UDST argument indices (and location indices, for
consistency) as 1-based as well.

tools/tplist.py

@@ -68,15 +68,15 @@ def print_tracepoints():
 def print_usdt_argument_details(location):
  for idx in xrange(0, location.num_arguments):
  arg = location.get_argument(idx)
- print(" argument #%d %s" % (idx, arg))
+ print(" argument #%d %s" % (idx+1, arg))
 
 def print_usdt_details(probe):
  if args.verbosity > 0:
  print(probe)
  if args.verbosity > 1:
  for idx in xrange(0, probe.num_locations):
  loc = probe.get_location(idx)
- print(" location #%d %s" % (idx, loc))
+ print(" location #%d %s" % (idx+1, loc))
  print_usdt_argument_details(loc)
  else:
  print(" %d location(s)" % probe.num_locations)