gdb调试方法

一、具体方法

• attach一个进程
  gdb attach pid

• 查看线程信息
  info threads

  Id Target Id Frame
  1 Thread 0x7f5ccfd39740 (LWP 24823) “mono” 0x00007f5ccf202528 in pthread_cond_timedwait@@GLIBC_2.3.2 () from target:/lib/x86_64-linux-gnu/libpthread.so.0
  2 Thread 0x7f5ccd7ff700 (LWP 24843) “SGen worker” 0x00007f5ccf20217f in pthread_cond_wait@@GLIBC_2.3.2 () from target:/lib/x86_64-linux-gnu/libpthread.so.0
  3 Thread 0x7f5ccb17d700 (LWP 24844) “Finalizer” 0x00007f5ccf204556 in do_futex_wait.constprop () from target:/lib/x86_64-linux-gnu/libpthread.so.0
  4 Thread 0x7f5cc079f700 (LWP 24923) “Thread Pool I/O” 0x00007f5cced1e8bd in poll () from target:/lib/x86_64-linux-gnu/libc.so.6
  5 Thread 0x7f5c7945f700 (LWP 22291) “Thread Pool Wor” 0x00007f5ccf204720 in do_futex_wait () from target:/lib/x86_64-linux-gnu/libpthread.so.0

• 选择指定的线程
  thread 1

• 下一步
  n

• 取消单步调试
  c

• 断点
  break

• 查看断点
  info break

• 删除断点
  delete 1

• 删除一批断点
  delete 1-5

• 继续上一次的操作
  换行