On Tue Oct 30, 2012, Peter Neubauer wrote:
> I'm running Linux 3.5.3 (64-bit) patched to enable HPET hardware, and I
> don't notice any problems. Are there particular tests or numbers I can
> share to compare my performance with yours?
I've just run iperf between the soekris and other devices on the network (GbE
capable), and noticed that htop seems to have issues displaying the cpu use
(or maybe that its correct, and top itself is wrong? the poor performance
would lead me to believe that the cpu is stuck in the kernel 99% of the time
some place).
With debian's 2.6.32 kernel I get HT, and no funny business with htop (it
seems to act properly), but rx bandwidth is under 300Mbps, and tx is under
600Mbps. The rest of my (GbE capable devices) network is capable of over
900Mbps in both directions.
With other, newer kernels, even debian's 3.2 kernel, and the 3.6 kernel I
built by hand, the funny business with htop showing 100% cpu use on one of the
threads shows up, and network performance drops lower, to the point I can't
utilize my full 50/3 internet connection. I get stuck with around 50KiBps
rather than 5MiBps. It seems as if it started out somewhat ok, but just got
worse and worse as time went on.
> Thanks,
> -Peter
Thanks
--
Thomas Fjellstrom
tho...@fjellstrom.ca
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