import gdb
from collections import Counter
gr = gdb.execute
pcs = Counter()
inf = gdb.selected_inferior()
for i in range(300):
    try:
        gr("stepi", to_string=True)
    except Exception as e:
        print("stepfail %s" % e); break
    try:
        pcs[int(gdb.parse_and_eval("$pc"))] += 1
    except Exception:
        break
print("HOTPCS")
top = pcs.most_common(4)
for pc, n in top:
    print("PC 0x%x hits=%d" % (pc, n))
for pc, n in top[:1]:
    try:
        print(gr("x/10i 0x%x" % pc, to_string=True))
        print(gr("info registers rax rbx rcx rdx rsi rdi rbp r8 r9 r10 r11 r12 r13 r14 r15", to_string=True))
    except Exception as e:
        print("fail %s" % e)
print("T83-DONE")