(gdb) p cores
$4 = {{running = 0x829d700, timeout = 0x0, block_task = 0x0, next_tmo_check = 0}}
(gdb) p *(struct thread_entry*)0x829d700
$5 = {context = {t = 0x92b9cf8, s = 0x92b1fe8, start = 0x80a95f1 <tagcache_thread>}, stack = 0x81714a0, 
  name = 0x80c8358 "tagcache", tmo_tick = 1000, l = {prev = 0x829d700, next = 0x829d700}, tmo = {prev = 0x0, next = 0x0}, 
  bqp = 0x8171400, queue = 0x0, wakeup_ext_cb = 0, retval = 0, id = 261, stack_size = 17408, state = 4 '\004'}