[OLSR-users] dot plugin

[aaron]

On Thu, 20 Jan 2005, Sven-Ola Tuecke wrote:

> Hi,
>
> the freifunk-olsrd is compiled with the usual CFLAGS
> ("-Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -g"). Thomas Lopatic
> has pointed out, that extensive search through linear routing tables causes
> the high CPU load. The Freifunk-Firmware now starts without debug, so here
> in Berlin we have a load of 30% with a typical WRT54G (V2.0).

same here. Could you also observe that with this high CPU usage the 
available bandwidth is somewhat reduced by 50% on the linksysen? 
(instead of 1.3 MBytes/sec "only" 600 something Kbytes/sec)

>
> If the olsrd starts loosing routes: Are you shure, the dot-draw does not
> halt olsrd main thread execution during calculations? As far as I know,
> there are some issues with threading and plugins right now. One of the
> drawbacks with the dyn-gw-ping-enhancement also...

dont know about that (yet)

ciao,
a.

>
> LG, Sven-Ola
>
> "aaron" <(spam-protected)> schrieb im Newsbeitrag
> news:(spam-protected)
>> On Thu, 20 Jan 2005, Bruno Randolf wrote:
>>
>> yes, definetely. It would fit to the observation that on the Linksys
>> WRT54G olsrd consumes (with LQ & freifunk config) lots of CPU. As a
>> consequence the thruput is reduced and in extreme situations it also loses
>> routes.
>>
>> BTW: was the freifunk olsrd 0.4.8 compiled with -O3 ? Another check that
>> came to our minds here would be to reduce the polling rate but i am not
>> sure if this is a good idea :)
>>
>> a.
>>
>>
>> > hi aaron!
>>>
>>> i noticed the same problem with my perl script for drawing the topology
>>> (http://meshcube.org/cgi-bin/trac.cgi/file/tools/olsr-topology-view.pl):
>>> after some time olsrd starts loosiong routes, especially when the machine
>>> has
>>> high load. when i stop the script, the routes appear again. my suspicion
>>> is
>>> that reading the ipc port of the plugin too slow, slows down (lags)
>>> olsrd -
>>> is this possible?
>>>
>>> bruno
>>>
>>> On Wednesday 19 January 2005 00:52, aaron wrote:
>>>> hi!
>>>>
>>>> while $TRUE; do
>>>>    netcat localhost 2004 > topology.$DATENOW
>>>>    sleep 10
>>>> done
>>>>
>>>>
>>>> seems to make olsrd lose routes after a few hours. Anybody else noticed
>>>> that / could somebody confirm?
>>>>
>>>> a.
>>>>
>>>>
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