[yz@test openGauss]$ gdb --args gs_ctl start -D /opt/openGauss/gauss_data -l logfile
……
(gdb) b start_postmaster
Breakpoint 1 at 0x4081ac: file pg_ctl.cpp, line 711.
(gdb) r
Starting program: /opt/openGauss/openGauss-server/dest/bin/gs_ctl stop -D /opt/openGauss/gauss_data -l logfile
……
(gdb)