40 def has_pairs(profile):  argument
44     return len(profile) > 0 and isinstance(profile[0], list)
79 def common_instructions(profile):  argument
86     if has_pairs(profile) and profile:
87         inst_list = profile[-1]
89         inst_list = profile
97 def common_pairs(profile):  argument
106     if not has_pairs(profile):
110               for op1, op1profile in enumerate(profile[:-1])
117 def render_common_pairs(profile=None):  argument
125     if profile is None:
126         profile = snapshot_profile()
128         for _, ops, count in common_pairs(profile):