[Xastir-Dev] CPU still too busy for the wrong reasons

[Jack Twilley]

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>>>>> "Curt" == Curt Mills <Curt> writes:

Jack> xastir takes 90% of the CPU, but only 15% of the cpu is in user
Jack> time, the other 85% is mostly in system time.

Jack> This is about what I saw on a 450MHz machine, and now I'm on a
Jack> 2000MHz machine.

Curt> I've seen high CPU in these conditions:

Curt>   Running Festival.

Nope.

Curt>   Problems with network interfaces and Xastir retrying the
Curt> connects.

Nope, just one TNC interface and no network interfaces.

Curt>   Zoomed out at U.S.-level or World-level.  Dead-Reckoning
Curt> turned on.  Hand-tweaked config file so that dead-reckoning ran
Curt> every second.

Nope, zoom 256.  Yes, DR is on, but no, it times out after ten
minutes.

DISPLAY_DEAD_RECKONING_INFO:1
DISPLAY_DEAD_RECKONING_ARC:1
DISPLAY_DEAD_RECKONING_COURSE:1
DISPLAY_DEAD_RECKONING_SYMBOL:1
DEAD_RECKONING_TIMEOUT:600

Curt> What OS are you seeing this on, and is the problem contained to
Curt> one or more of the situations I described?

FreeBSD.

last pid:  9953;  load averages:  1.01,  1.21,  1.55  up 1+11:10:51    12:08:40
81 processes:  2 running, 79 sleeping
CPU states: 11.3% user,  0.0% nice, 88.7% system,  0.0% interrupt,  0.0% idle
Mem: 117M Active, 247M Inact, 100M Wired, 18M Cache, 60M Buf, 12M Free
Swap: 3072M Total, 240K Used, 3072M Free

  PID USERNAME    PRI NICE   SIZE    RES STATE    TIME   WCPU    CPU COMMAND
 3675 jmt         122    0 23576K 13900K RUN     21.2H 93.41% 93.41% xastir
 1241 jmt          97    0 15640K 14736K select  62:27  3.03%  3.03% Xvnc

Jack> Is there any progress on making xastir more friendly?

Curt> Separate issue, or are you talking about making it more
Curt> CPU-friendly?

I'm talking about CPU-friendly.

Jack.
- -- 
Jack Twilley
jmt at twilley dot org
http colon slash slash www dot twilley dot org slash tilde jmt slash
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