[Ninux-Wireless] tinc CPU optimization

Darkman darkman a darkman.it
Dom 3 Lug 2011 14:37:11 CEST


Quello che va meglio :)
Ce ne saranno una dozzina nel kernel, aggiungili.
Così, a naso, vista la natura particolare del canale, un algo abbastanza
tollerante alle perdite/timeout.
Ma questo solo per capire sa cambia qualcosa o siamo sempre con gli stessi
valori..

Il giorno 03 luglio 2011 14:23, Gioacchino Mazzurco
<gmazzurco89 a gmail.com>ha scritto:

> non so quale usa di default tu quale mi consigli di usare?
>
> Il 03 luglio 2011 14:18, Darkman <darkman a darkman.it> ha scritto:
> > Bene, ora puoi ripetere le prove cambiando l'algoritmo di controllo di
> > congestione sul client iperf.
> > Cosa stai usando ora? Reno?
> >
> > Il giorno 03 luglio 2011 14:09, Gioacchino Mazzurco <
> gmazzurco89 a gmail.com>
> > ha scritto:
> >>
> >> altri test fissando la quantita'
> >>
> >> [  4]  0.0-62.2 sec  2.00 MBytes   270 Kbits/sec
> >> [  4]  0.0-55.3 sec  2.00 MBytes   304 Kbits/sec
> >> [  4]  0.0-64.2 sec  2.00 MBytes   261 Kbits/sec
> >> [  4]  0.0-58.8 sec  2.00 MBytes   285 Kbits/sec
> >> [  4]  0.0-99.6 sec  2.00 MBytes   169 Kbits/sec
> >> [  4]  0.0-96.4 sec  2.00 MBytes   174 Kbits/sec
> >> [  4]  0.0-89.8 sec  2.00 MBytes   187 Kbits/sec
> >> [  4]  0.0-66.4 sec  2.00 MBytes   253 Kbits/sec
> >> [  4]  0.0-99.9 sec  2.00 MBytes   161 Kbits/sec
> >> [  4]  0.0-88.1 sec  2.00 MBytes   190 Kbits/sec
> >>
> >>
> >> Il 03 luglio 2011 13:57, Gioacchino Mazzurco <gmazzurco89 a gmail.com> ha
> >> scritto:
> >> > senza tinc la configurazione rimane uguale ma il traffico al posto di
> >> > passare dal tunnel via internet passa solo attraverso i link wireless
> >> >
> >> > Il 03 luglio 2011 13:51, Antonio Quartulli <ordex a autistici.org> ha
> >> > scritto:
> >> >> On dom, lug 03, 2011 at 01:48:37 +0200, Gioacchino Mazzurco wrote:
> >> >>> il test e' sempre PC( iperf -c ) <-- cavo lan --> Piconstation (
> >> >>> btman-adv + tinc )<-- tinc ---> PC( batman-adv + tinc + iperf -s)
> >> >>
> >> >> anche senza TINC la configurazione rimane uguale? scusa ma non ho
> >> >> capito
> >> >> questo daalle mail precedenti
> >> >>
> >> >>>
> >> >>> >usa un vincolo temporale o quantitativo, sti valori sono troppo
> >> >>> >deviati..
> >> >>>
> >> >>> quei test non sono fatti in parallelo sono fatti in modo sequenziale
> >> >>> quindi volta per volta c'e' ne e' attivo solo uno
> >> >>>
> >> >>> Il 03 luglio 2011 13:40, Darkman <darkman a darkman.it> ha scritto:
> >> >>> > Magari se scegliessi un test "unico" sarebbe anche meglio,
> >> >>> > usa un vincolo temporale o quantitativo, sti valori sono troppo
> >> >>> > deviati..
> >> >>> > Se non mi dicessi della CPU a palla, guardando sta roba ti direi
> che
> >> >>> > è
> >> >>> > congestione..
> >> >>> >
> >> >>> > Il giorno 03 luglio 2011 13:31, Gioacchino Mazzurco
> >> >>> > <gmazzurco89 a gmail.com>
> >> >>> > ha scritto:
> >> >>> >>
> >> >>> >> altra serie di test
> >> >>> >>
> >> >>> >> [  4]  0.0-18.8 sec   384 KBytes   167 Kbits/sec
> >> >>> >> [  4]  0.0-17.5 sec   384 KBytes   180 Kbits/sec
> >> >>> >> [  4]  0.0-20.0 sec   384 KBytes   157 Kbits/sec
> >> >>> >> [  4]  0.0-21.1 sec   384 KBytes   149 Kbits/sec
> >> >>> >> [  4]  0.0-23.5 sec   512 KBytes   178 Kbits/sec
> >> >>> >> [  4]  0.0-32.3 sec   384 KBytes  97.3 Kbits/sec
> >> >>> >> [  4]  0.0-20.8 sec   384 KBytes   151 Kbits/sec
> >> >>> >> [  4]  0.0-27.7 sec   256 KBytes  75.8 Kbits/sec
> >> >>> >> [  4]  0.0-21.8 sec   256 KBytes  96.3 Kbits/sec
> >> >>> >> [  4]  0.0-14.3 sec   512 KBytes   294 Kbits/sec
> >> >>> >> [  4]  0.0-14.0 sec   512 KBytes   299 Kbits/sec
> >> >>> >> [  4]  0.0-37.6 sec   512 KBytes   112 Kbits/sec
> >> >>> >> [  4]  0.0-18.7 sec   512 KBytes   224 Kbits/sec
> >> >>> >> [  4]  0.0-21.3 sec   384 KBytes   148 Kbits/sec
> >> >>> >> [  4]  0.0-17.9 sec   640 KBytes   293 Kbits/sec
> >> >>> >> [  4]  0.0-24.8 sec   512 KBytes   169 Kbits/sec
> >> >>> >> [  4]  0.0-23.5 sec   512 KBytes   178 Kbits/sec
> >> >>> >> [  4]  0.0-16.4 sec   384 KBytes   192 Kbits/sec
> >> >>> >> [  4]  0.0-21.4 sec   384 KBytes   147 Kbits/sec
> >> >>> >>
> >> >>> >> ho spento dnsmasq che non serviva a niente e andiamo di poco ma
> >> >>> >> meglio
> >> >>> >>
> >> >>> >> Il 03 luglio 2011 13:16, Darkman <darkman a darkman.it> ha
> scritto:
> >> >>> >> > Il sintomo è abbastanza chiaro, ma dubito sia colpa della CPU o
> >> >>> >> > meglio,
> >> >>> >> > secondo me qualcosa
> >> >>> >> > è stata scritta male, 100Kbps sono davvero ridicoli. A maggior
> >> >>> >> > ragione
> >> >>> >> > quando ste cpu hanno anche qualche set dedicato
> >> >>> >> > alla crittografia simmetrica...
> >> >>> >> >
> >> >>> >> > Il giorno 03 luglio 2011 13:04, Gioacchino Mazzurco
> >> >>> >> > <gmazzurco89 a gmail.com>
> >> >>> >> > ha scritto:
> >> >>> >> >>
> >> >>> >> >> ma il problema sembra proprio l'eccessivo utilizzo di cpu per
> la
> >> >>> >> >> vpn
> >> >>> >> >> perche' stando in ssh sulla picostation mentre c'e' traffico
> che
> >> >>> >> >> passa
> >> >>> >> >> sulla vpn diventa completamente unresponsive non sente nemmeno
> >> >>> >> >> ctrl+c
> >> >>> >> >> sulla shell... quando il traffico finisce mi esegue tutto
> quello
> >> >>> >> >> che
> >> >>> >> >> gli avevo mandato nel fratempo
> >> >>> >> >>
> >> >>> >> >> Il 03 luglio 2011 13:01, Gioacchino Mazzurco
> >> >>> >> >> <gmazzurco89 a gmail.com> ha
> >> >>> >> >> scritto:
> >> >>> >> >> >>Hai la possibilità di usare una CPU + potente (tincare dal
> >> >>> >> >> >> PC)?
> >> >>> >> >> >
> >> >>> >> >> > dovrei installarmi anche batman-adv sul pc...
> >> >>> >> >> >
> >> >>> >> >> > Il 03 luglio 2011 12:58, Darkman <darkman a darkman.it> ha
> >> >>> >> >> > scritto:
> >> >>> >> >> >> E' chiaro che non può essere il tuo upstream,
> >> >>> >> >> >> ma sei certo che il collo di bottiglia non sia nella
> capacità
> >> >>> >> >> >> di sta
> >> >>> >> >> >> rete
> >> >>> >> >> >> mesh tunnellata?
> >> >>> >> >> >> Hai provato a lanciare 2 iperf in parallelo?
> >> >>> >> >> >> Hai la possibilità di usare una CPU + potente (tincare dal
> >> >>> >> >> >> PC)?
> >> >>> >> >> >>
> >> >>> >> >> >>
> >> >>> >> >> >> Il giorno 03 luglio 2011 12:34, Gioacchino Mazzurco
> >> >>> >> >> >> <gmazzurco89 a gmail.com>
> >> >>> >> >> >> ha scritto:
> >> >>> >> >> >>>
> >> >>> >> >> >>> la picostation a e la z sono la stessa picostation...
> dalla
> >> >>> >> >> >>> picostation a posso decidere se accendere tinc e quindi
> far
> >> >>> >> >> >>> passare
> >> >>> >> >> >>> traffico mesh su internet oppure se usare solo i link
> >> >>> >> >> >>> wireless
> >> >>> >> >> >>>
> >> >>> >> >> >>> dal computer pocco decidere sia di usare la picostation
> come
> >> >>> >> >> >>> gw sia
> >> >>> >> >> >>> di
> >> >>> >> >> >>> usare il router adsl
> >> >>> >> >> >>>
> >> >>> >> >> >>> le casistiche quindi sono 3
> >> >>> >> >> >>>
> >> >>> >> >> >>> iperf via internet senza tinc >500KB/s
> >> >>> >> >> >>> iperf via mesh senza tinc ~ 20Kb/s
> >> >>> >> >> >>> iperf via mesh tunnellata su internet con tinc ~100Kb/s
> >> >>> >> >> >>>
> >> >>> >> >> >>> Il 03 luglio 2011 12:27, Darkman <darkman a darkman.it> ha
> >> >>> >> >> >>> scritto:
> >> >>> >> >> >>> > Fammi capire:
> >> >>> >> >> >>> > - tra le tua pico(A) e quella(Z) con l'adsl ci sono
> >> >>> >> >> >>> > diversi nodi
> >> >>> >> >> >>> > e
> >> >>> >> >> >>> > con
> >> >>> >> >> >>> > iperf
> >> >>> >> >> >>> > hai risultati di 20Kbps (A->Z) in L3 puro ? Mentre se
> usi
> >> >>> >> >> >>> > tinc va
> >> >>> >> >> >>> > a
> >> >>> >> >> >>> > 100Kbps?
> >> >>> >> >> >>> > - chi sono gli end-point tinc?
> >> >>> >> >> >>> >
> >> >>> >> >> >>> >
> >> >>> >> >> >>> >
> >> >>> >> >> >>> >
> >> >>> >> >> >>> >
> >> >>> >> >> >>> > Il giorno 03 luglio 2011 12:12, Gioacchino Mazzurco
> >> >>> >> >> >>> > <gmazzurco89 a gmail.com>
> >> >>> >> >> >>> > ha scritto:
> >> >>> >> >> >>> >>
> >> >>> >> >> >>> >> senza tinc praticamente non c'e' connettivita' ( a
> volte
> >> >>> >> >> >>> >> va ma
> >> >>> >> >> >>> >> roba
> >> >>> >> >> >>> >> tipo 20k perche' sono un sacco di op alcuni dei quali
> >> >>> >> >> >>> >> fanno
> >> >>> >> >> >>> >> schifo...)
> >> >>> >> >> >>> >>
> >> >>> >> >> >>> >> se invece faccio iperf passando per internet senza tinc
> >> >>> >> >> >>> >> ottengo
> >> >>> >> >> >>> >> risultati sempre sopra i 500KB/s
> >> >>> >> >> >>> >>
> >> >>> >> >> >>> >> Il 03 luglio 2011 12:01, Darkman <darkman a darkman.it>
> ha
> >> >>> >> >> >>> >> scritto:
> >> >>> >> >> >>> >> > Hai gia controllato i valori tra le 2 pico con e
> senza
> >> >>> >> >> >>> >> > tinc?
> >> >>> >> >> >>> >> >
> >> >>> >> >> >>> >> >
> >> >>> >> >> >>> >> > Il giorno 03 luglio 2011 11:45, Gioacchino Mazzurco
> >> >>> >> >> >>> >> > <gmazzurco89 a gmail.com>
> >> >>> >> >> >>> >> > ha scritto:
> >> >>> >> >> >>> >> >>
> >> >>> >> >> >>> >> >> iperf -c su computer che usa una picostation come
> >> >>> >> >> >>> >> >> gateway ->
> >> >>> >> >> >>> >> >> Picostation con tinc <- adsl 8 megabit -> iperf
> >> >>> >> >> >>> >> >> --server su
> >> >>> >> >> >>> >> >> eigenlab.org
> >> >>> >> >> >>> >> >>
> >> >>> >> >> >>> >> >>
> >> >>> >> >> >>> >> >> Il 03 luglio 2011 11:33, Darkman <
> darkman a darkman.it>
> >> >>> >> >> >>> >> >> ha
> >> >>> >> >> >>> >> >> scritto:
> >> >>> >> >> >>> >> >> > 100kbps mi pare davvero troppo poco anche per
> quelle
> >> >>> >> >> >>> >> >> > cessonanocpu.
> >> >>> >> >> >>> >> >> > Come li hai ottenuti sti valori?
> >> >>> >> >> >>> >> >> >
> >> >>> >> >> >>> >> >> > Il giorno 03 luglio 2011 11:10, Gioacchino
> Mazzurco
> >> >>> >> >> >>> >> >> > <gmazzurco89 a gmail.com>
> >> >>> >> >> >>> >> >> > ha scritto:
> >> >>> >> >> >>> >> >> >>
> >> >>> >> >> >>> >> >> >> Ciao a tutti!
> >> >>> >> >> >>> >> >> >>
> >> >>> >> >> >>> >> >> >> Facendo dei test mi sono accorto che le vpn  con
> >> >>> >> >> >>> >> >> >> tinc
> >> >>> >> >> >>> >> >> >> installato
> >> >>> >> >> >>> >> >> >> sui
> >> >>> >> >> >>> >> >> >> nodi ci vanno max a 100k anche se la banda
> >> >>> >> >> >>> >> >> >> dell'adsl e'
> >> >>> >> >> >>> >> >> >> molta
> >> >>> >> >> >>> >> >> >> di
> >> >>> >> >> >>> >> >> >> piu'... ho cominciato a cercare ed ho letto che
> la
> >> >>> >> >> >>> >> >> >> causa
> >> >>> >> >> >>> >> >> >> e'
> >> >>> >> >> >>> >> >> >> probabilmente la CPU che non ce la fa a fare
> >> >>> >> >> >>> >> >> >> encryption
> >> >>> >> >> >>> >> >> >> decryption
> >> >>> >> >> >>> >> >> >> piu' velocemente di cosi'
> >> >>> >> >> >>> >> >> >>
> >> >>> >> >> >>> >> >> >> leggendo il man di tinc ho trovato questo
> >> >>> >> >> >>> >> >> >>
> >> >>> >> >> >>> >> >> >> Cipher = cipher (blowfish)
> >> >>> >> >> >>> >> >> >>             The symmetric cipher algorithm used
> to
> >> >>> >> >> >>> >> >> >> encrypt
> >> >>> >> >> >>> >> >> >> UDP
> >> >>> >> >> >>> >> >> >> packets.  Any cipher supported by OpenSSL is
> >> >>> >> >> >>> >> >> >> recognised.
> >> >>> >> >> >>> >> >> >>  Furâ€
> >> >>> >> >> >>> >> >> >>             thermore, specifying "none" will turn
> >> >>> >> >> >>> >> >> >> off
> >> >>> >> >> >>> >> >> >> packet
> >> >>> >> >> >>> >> >> >> encryption.  It is best to use only those ciphers
> >> >>> >> >> >>> >> >> >> which
> >> >>> >> >> >>> >> >> >> support
> >> >>> >> >> >>> >> >> >>             CBC mode.
> >> >>> >> >> >>> >> >> >>
> >> >>> >> >> >>> >> >> >> mettendo none dovrebbe essere disabilitata l'
> >> >>> >> >> >>> >> >> >> encryption e
> >> >>> >> >> >>> >> >> >> quindi
> >> >>> >> >> >>> >> >> >> avere piu' banda, il meccanismo degli host con il
> >> >>> >> >> >>> >> >> >> file con
> >> >>> >> >> >>> >> >> >> la
> >> >>> >> >> >>> >> >> >> chiave
> >> >>> >> >> >>> >> >> >> pubblica continua a funzionare disabilitando la
> >> >>> >> >> >>> >> >> >> cifratura,
> >> >>> >> >> >>> >> >> >> e
> >> >>> >> >> >>> >> >> >> soprattutto bastera' aggiungere quell'opzione li
> >> >>> >> >> >>> >> >> >> oppure
> >> >>> >> >> >>> >> >> >> bisogna
> >> >>> >> >> >>> >> >> >> cambiare altre conf?
> >> >>> >> >> >>> >> >> >>
> >> >>> >> >> >>> >> >> >> _______________________________________________
> >> >>> >> >> >>> >> >> >> Wireless mailing list
> >> >>> >> >> >>> >> >> >> Wireless a ml.ninux.org
> >> >>> >> >> >>> >> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >> >>> >> >> >>
> >> >>> >> >> >>> >> >> >
> >> >>> >> >> >>> >> >> >
> >> >>> >> >> >>> >> >> > _______________________________________________
> >> >>> >> >> >>> >> >> > Wireless mailing list
> >> >>> >> >> >>> >> >> > Wireless a ml.ninux.org
> >> >>> >> >> >>> >> >> > http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >> >>> >> >> >
> >> >>> >> >> >>> >> >> >
> >> >>> >> >> >>> >> >> _______________________________________________
> >> >>> >> >> >>> >> >> Wireless mailing list
> >> >>> >> >> >>> >> >> Wireless a ml.ninux.org
> >> >>> >> >> >>> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >> >>> >> >>
> >> >>> >> >> >>> >> >
> >> >>> >> >> >>> >> >
> >> >>> >> >> >>> >> > _______________________________________________
> >> >>> >> >> >>> >> > Wireless mailing list
> >> >>> >> >> >>> >> > Wireless a ml.ninux.org
> >> >>> >> >> >>> >> > http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >> >>> >> >
> >> >>> >> >> >>> >> >
> >> >>> >> >> >>> >> _______________________________________________
> >> >>> >> >> >>> >> Wireless mailing list
> >> >>> >> >> >>> >> Wireless a ml.ninux.org
> >> >>> >> >> >>> >> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >> >>> >>
> >> >>> >> >> >>> >
> >> >>> >> >> >>> >
> >> >>> >> >> >>> > _______________________________________________
> >> >>> >> >> >>> > Wireless mailing list
> >> >>> >> >> >>> > Wireless a ml.ninux.org
> >> >>> >> >> >>> > http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >> >>> >
> >> >>> >> >> >>> >
> >> >>> >> >> >>> _______________________________________________
> >> >>> >> >> >>> Wireless mailing list
> >> >>> >> >> >>> Wireless a ml.ninux.org
> >> >>> >> >> >>> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >> >>>
> >> >>> >> >> >>
> >> >>> >> >> >>
> >> >>> >> >> >> _______________________________________________
> >> >>> >> >> >> Wireless mailing list
> >> >>> >> >> >> Wireless a ml.ninux.org
> >> >>> >> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >> >>
> >> >>> >> >> >>
> >> >>> >> >> >
> >> >>> >> >> _______________________________________________
> >> >>> >> >> Wireless mailing list
> >> >>> >> >> Wireless a ml.ninux.org
> >> >>> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >>
> >> >>> >> >
> >> >>> >> >
> >> >>> >> > _______________________________________________
> >> >>> >> > Wireless mailing list
> >> >>> >> > Wireless a ml.ninux.org
> >> >>> >> > http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >> >
> >> >>> >> >
> >> >>> >> _______________________________________________
> >> >>> >> Wireless mailing list
> >> >>> >> Wireless a ml.ninux.org
> >> >>> >> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >>
> >> >>> >
> >> >>> >
> >> >>> > _______________________________________________
> >> >>> > Wireless mailing list
> >> >>> > Wireless a ml.ninux.org
> >> >>> > http://ml.ninux.org/mailman/listinfo/wireless
> >> >>> >
> >> >>> >
> >> >>> _______________________________________________
> >> >>> Wireless mailing list
> >> >>> Wireless a ml.ninux.org
> >> >>> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>
> >> >> --
> >> >> Antonio Quartulli
> >> >>
> >> >> ..each of us alone is worth nothing..
> >> >> Ernesto "Che" Guevara
> >> >> _______________________________________________
> >> >> Wireless mailing list
> >> >> Wireless a ml.ninux.org
> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >> >>
> >> >
> >> _______________________________________________
> >> Wireless mailing list
> >> Wireless a ml.ninux.org
> >> http://ml.ninux.org/mailman/listinfo/wireless
> >>
> >
> >
> > _______________________________________________
> > Wireless mailing list
> > Wireless a ml.ninux.org
> > http://ml.ninux.org/mailman/listinfo/wireless
> >
> >
> _______________________________________________
> Wireless mailing list
> Wireless a ml.ninux.org
> http://ml.ninux.org/mailman/listinfo/wireless
>
>
-------------- parte successiva --------------
Un allegato HTML è stato rimosso...
URL: <http://ml.ninux.org/pipermail/wireless/attachments/20110703/0f2b1718/attachment-0001.html>


Maggiori informazioni sulla lista Wireless