我有掛以及proc/SysRq的觸發輸出I看到的調用堆棧在翹起的方法:掛起的進程,調試
test_code S 0000000101fcf430 0 15181 1 15182 15180 (NOTLB)
ffff810080997d28 0000000000200086 0000000000000006 0000000000000009
ffff81012a8a0a28 ffff81012a8a07d0 ffff81010003b980 000079a97155a4a6
0000000000001474 000000022a8a0808
Call Trace:
<ffffffff802f3618>{schedule_timeout+30}
<ffffffff8014c1ef>{get_futex_key+71} <ffffffff80149a88>{add_wait_queue+21}
<ffffffff8014c597>{futex_wait_abstime+565}
<ffffffff8010a1da{do_notify_resume+180}
ffffffff8012d7d5>{default_wake_function+0} <ffffffff8014c9c7>{do_futex+104}
<ffffffff801886a7>{pwrite+328} <ffffffff8015692e>{compat_sys_futex+186}
<ffffffff8b0>{sysenter_do_call+27}
strace的顯示過程在卡住了:
[pid 7867] accept(12, <unfinished ...>
有什麼好的鏈接可以讀取調用堆棧中的函數並調試問題?
這是完全正常的,accept()被認爲是「掛起」,直到有人連接到端口。 –
感謝hans的回覆。 – RKum