message: docs: Add notes on how to diasble rpc timeout in functional tests while attatching gdb.
diff: @@ -230,6 +230,10 @@ gdb /home/example/peercoind <pid>
  Note: gdb attach step may require ptrace_scope to be modified, or `sudo` preceding the `gdb`.
  See this link for considerations: https://www.kernel.org/doc/Documentation/security/Yama.txt
  +Often while debugging rpc calls from functional tests, the test might reach timeout before
  +process can return a response. Use `--timeout-factor 0` to disable all rpc timeouts for that partcular
  +functional test. Ex: `test/functional/wallet_hd.py --timeout-factor 0`.
  +
  ##### Profiling
  An easy way to profile node performance during functional tests is provided
  