39 def has_pairs(profile):  argument
43     return len(profile) > 0 and isinstance(profile[0], list)
78 def common_instructions(profile):  argument
85     if has_pairs(profile) and profile:
86         inst_list = profile[-1]
88         inst_list = profile
96 def common_pairs(profile):  argument
105     if not has_pairs(profile):
109               for op1, op1profile in enumerate(profile[:-1])
116 def render_common_pairs(profile=None):  argument
124     if profile is None:
125         profile = snapshot_profile()
127         for _, ops, count in common_pairs(profile):