Re: using DDD with dbx

[Con Hennessy]

I'm not sure if this helps but I noticed that ddd was taking about 30% of the
processors time - even though it did not seem like it was connected to dbx 
except in the console.

The output of pstack <pid of ddd> ran several times gives me :

$ pstack 16678
16678:  /users/chenness/ddd-3.3.1-CC/bin/ddd --dbx /vobs/rnc_oam/Tools/Project
 fec97ac8 poll     (ffbeec80, 1, 0)
 fec4b2e0 select   (7, 0, ffbeee68, ffbeede8, ffbeed68, ffbeec80) + 2cc
 ff0ab5bc _XtWaitForSomething (7b9ce0, 1, 0, 0, f4240, 0) + 1e4
 ff0ab174 DoOtherSources (7b9ce0, 1, 1, 0, 0, 7b9ce0) + 98
 ff0aaf78 XtAppNextEvent (7b9ce0, ffbef07c, 1, 0, 1, 0) + 98
 0010ea14 __1cSprocess_next_event6F_v_ (a50060, 112ec8, 0, ff0e4000, 112ec8, 
7b9ce0) + ec
 00283358 __1cNddd_main_loop6F_v_ (ffbef1f4, 6eb214, 0, 3185d8, 0, 0) + 1a0
 0010e34c main     (3, ffbef7a4, ffbef7b4, 731c00, 0, 0) + 4944
 000fb288 _start   (0, 0, 0, 0, 0, 0) + 108

$ pstack 16678
16678:  /users/chenness/ddd-3.3.1-CC/bin/ddd --dbx /vobs/rnc_oam/Tools/Project
 fec974e4 ioctl    (1, 2, ff01c000, 0, 7b8aa8, 5) + c
 fefb5394 XEventsQueued (7b8aa8, 2, 1, 0, 0, 7b9ce0) + 3c
 ff0aaffc XtAppNextEvent (7b9ce0, ffbef07c, 1, 1, 2, 0) + 11c
 0010ea14 __1cSprocess_next_event6F_v_ (a50060, 112ec8, 0, ff0e4000, 112ec8, 
7b9ce0) + ec
 00283358 __1cNddd_main_loop6F_v_ (ffbef1f4, 6eb214, 0, 3185d8, 0, 0) + 1a0
 0010e34c main     (3, ffbef7a4, ffbef7b4, 731c00, 0, 0) + 4944
 000fb288 _start   (0, 0, 0, 0, 0, 0) + 108

$ pstack 16678
16678:  /users/chenness/ddd-3.3.1-CC/bin/ddd --dbx /vobs/rnc_oam/Tools/Project
 fec97ac8 poll     (ffbeec80, 1, 0)
 fec4b2e0 select   (7, 0, ffbeee68, ffbeede8, ffbeed68, ffbeec80) + 2cc
 ff0ab5bc _XtWaitForSomething (7b9ce0, 1, 0, 0, f4240, 0) + 1e4
 ff0ab174 DoOtherSources (7b9ce0, 1, 1, 0, 0, 7b9ce0) + 98
 ff0aaf78 XtAppNextEvent (7b9ce0, ffbef07c, 1, 0, 1, 0) + 98
 0010ea14 __1cSprocess_next_event6F_v_ (a50060, 112ec8, 0, ff0e4000, 112ec8, 
7b9ce0) + ec
 00283358 __1cNddd_main_loop6F_v_ (ffbef1f4, 6eb214, 0, 3185d8, 0, 0) + 1a0
 0010e34c main     (3, ffbef7a4, ffbef7b4, 731c00, 0, 0) + 4944
 000fb288 _start   (0, 0, 0, 0, 0, 0) + 108

$ pstack 16678
16678:  /users/chenness/ddd-3.3.1-CC/bin/ddd --dbx /vobs/rnc_oam/Tools/Project
 fec97ac8 poll     (ffbeec80, 1, 0)
 fec4b2e0 select   (7, 0, ffbeee68, ffbeede8, ffbeed68, ffbeec80) + 2cc
 ff0ab5bc _XtWaitForSomething (7b9ce0, 1, 0, 0, f4240, 0) + 1e4
 ff0ab174 DoOtherSources (7b9ce0, 1, 1, 0, 0, 7b9ce0) + 98
 ff0aaf78 XtAppNextEvent (7b9ce0, ffbef07c, 1, 0, 1, 0) + 98
 0010ea14 __1cSprocess_next_event6F_v_ (a50060, 112ec8, 0, ff0e4000, 112ec8, 
7b9ce0) + ec
 00283358 __1cNddd_main_loop6F_v_ (ffbef1f4, 6eb214, 0, 3185d8, 0, 0) + 1a0
 0010e34c main     (3, ffbef7a4, ffbef7b4, 731c00, 0, 0) + 4944
 000fb288 _start   (0, 0, 0, 0, 0, 0) + 108