and this one is indi_simulator_ccd via gdb:
astro@astro-MacBookPro:~$ gdb --eval-command="set follow-fork-mode child" --args indiserver -v indi_simulator_ccd
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <
gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<
www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<
www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from indiserver...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/indiserver -v indi_simulator_ccd
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
2016-09-16T06:49:44: startup: /usr/bin/indiserver -v indi_simulator_ccd
[New process 2483]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
2016-09-16T06:49:44: Driver indi_simulator_ccd: pid=2483 rfd=3 wfd=6 efd=7
2016-09-16T06:49:44: listening to port 7624 on fd 4
process 2483 is executing new program: /usr/bin/indi_simulator_ccd
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
2016-09-16T06:49:44: Driver indi_simulator_ccd: snooping on Telescope Simulator.EQUATORIAL_EOD_COORD
2016-09-16T06:49:44: Driver indi_simulator_ccd: snooping on Telescope Simulator.TELESCOPE_INFO
2016-09-16T06:49:44: Driver indi_simulator_ccd: snooping on CCD Simulator.FILTER_SLOT
2016-09-16T06:49:44: Driver indi_simulator_ccd: snooping on CCD Simulator.FILTER_NAME
2016-09-16T06:49:44: Driver indi_simulator_ccd: snooping on Telescope Simulator.EQUATORIAL_PE
2016-09-16T06:49:44: Driver indi_simulator_ccd: snooping on Focuser Simulator.FWHM