RE: [microblaze-uclinux] Net-SNMP performance

[Giulio Mazzoleni <giulio.mazzoleni@xxxxxxxxxxxxxxxxxxxxxxx>]

Well, to be honest I forgot to mention a very importarnt particular: I'm
working on a custom board.

I took the hardware project Xilinx-Spartan3E1600-RevA-edk91 as a basis.
I can succesfully boot the same image.ub both from my custom board and
the Xilinx evaluation board, so I think software differences would be
minimal.

I'm able to recompile the net-snmp sources and adding a custom mib.
If I work on the evaluation board everything is ok (I could have checked
that before!).
When I switch to my custom board I start encountering problems.

What I've seen so far is that the net-snmp daemon takes about 1 minute
or so to allocate the needed memory. If I poll its status with ps I can
see the cpu load starting at 99% and proportionally decreasing to 7-8%
as the memory allocated grows toward 4410K. When it reaches this value
the net-snmp daemon finally starts responding snmp requests.
I have used the same snmpd binary and snmpd.conf file for both boards.

I would check what's going on with strace, but I cannot compile it
because it seems it still has to be ported to microblaze.

I think I'll have to check a bit depper into the LARGE_ALLOCS flag and
its implication, even if I'm using this flag on both the evaluation
board and my custom board.

Thanks for your support (Kris in particular).
Giulio

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