How to Analyze AIX core using dbx command?

Command to run after copying binary and core onto AIX machine from terminal:
dbx program core
Ex: dbx myengine core.myengine_wedNov20123456

Some more use full commands you can run from (dbx) as below:
thread         List or change the current thread
func           List or change the current function
dump           Print all variables local to a procedure
where          Print the call stack
frame          List or change the current stack frame number
next           Step one source line (stepping over calls)
quit           Exit dbx

(dbx) thread
 thread  state-k     wchan    state-u    k-tid   mode held scope function
 $t1     run                  blocked              u   no   pro  _usched_swtch    
 $t2     run                  blocked              u   no   pro  _usched_swtch    
 $t3     run                  blocked              u   no   pro  _usched_swtch    
 $t4     run                  blocked              u   no   pro  _usched_swtch    
 $t5     run                  blocked    29943     u   no   pro  _pthread_ksleep  
...
>$t74    run                  running    30979     k   no   pro  p__9SemaphoreFv  


(dbx) func
p__9SemaphoreFv

(dbx) dump
p__9SemaphoreFv(0x170) at 0xd10f2100

(dbx)where
p__9SemaphoreFv(0x170) at 0xd10f2100
incrData__18TransActionCounterF9countType() at 0xd1130880
connect__12MachineQueueFv(0x3178d3f8) at 0xd10ff8a8
attemptConnection__12MachineQueueFv(0x3178d3f8) at 0xd10fe14c
attemptConnection__9LlMachineFPCci10SocketTypeT2() at 0xd1152478
.() at 0x10017fc4
.() at 0x10018300
runThread__13IntervalTimerFv() at 0xd115a14c
startup__6ThreadFPv(0x315252e8) at 0xd10ed684
_pthread_body(??) at 0xd00081f8


(dbx)quit

References:
http://web.utk.edu/~prdaves/Computerhelp/dbx_commands.htm