If you have seen segment falt errors of your Swoole application, please follow the following steps to generate a call stack report.
To see the call stack related to Swoole, you have to add
--enable-debug when compiling Swoole.
gdb and enable coredump
ulimit -c unlimited
2. Run your application and generate core-dump file
Depends on your OS, the core dump file may be located at different folders:
3. View the info in the core-dump file:
gdb php core gdb php /tmp/core.xxxx
4. View the call stack
bt f 1 f 0