[tor-relays] Tor Relay on ARM server Marvell Armada 370/XP

[niftybunny]

in my experience long time ago … arm suxx. I would switch to the 2 core atom, they suck too but no so bad as the arm there.

Markus

> On 20 Dec 2016, at 14:24, Fabio Pietrosanti (naif) - lists <lists at infosecurity.ch> wrote:
> 
> Hello,
> 
> i'm experimenting Tor setup on very cheap servers from scaleaway.com
> that run a quad-core ARM Marvell Armada 370/XP servers but have
> unlimited bandwidth.
> 
> Those are Soc platform:
> http://natisbad.org/NAS2/refs/Marvell_ARMADA_370_SoC.pdf
> 
> I saw no information on torproject mailing list about those SOC.
> 
> I'm trying to push the limits and i saw that those have a crypto
> acceleration support:
> https://www.kernel.org/doc/Documentation/devicetree/bindings/crypto/marvell-cesa.txt
> 
> However with kernel 4.5.7 it does not really work and loading of
> marvel-cesa gives out error:
> [6.841862] marvell-cesa: probe of d0090000.crypto failed with error -22
> 
> :(
> 
> 
> I've only built latest Tor 0.2.9 with -O9 -mcpu=marvell-pj4
> -mtune=xscale and the Tor Relay is at
> https://atlas.torproject.org/#details/82C63C5D61D17557B7C5D0E7FDC545A2B6B6B7E0
> .
> 
> Does someone have experienced optimizing and tuning Tor specifically on
> ARM processors to understand how far those could be optimized?
> 
> -naif
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