Hello all,

I was wondering as a user, what sort of testing and feedback
can I give to driver developers that would be useful /helpful
in improving driver functionality and performance in OpenBSD.

Im particularly interested in OpenBSD Network performance.
what tools / tests provide useful feedback to developers
so that it would make it a (little) easier for them to improve
the drivers (if and when it is necessary).

an example problem is where a driver running on OpenBSD
is not performing as fast as  a driver which is developed on
another OS which might have used non public / open-source information
in initializing / setting up the hardware.

as far as I know  I need to provide developers
output of dmesg command,
debug output in the event of a crash (sendbug)

compare performance under identical hardware conditions with different
Operating systems  eg using iperf3 / tcpbench

Is it useful to collect the output of pcidump -xxx
and compare the output
with the equivalent pci config space dump  in other operating systems
 eg lspci -vv -xxxx in linux...
?


Is it useful for devs to have users to collect and diff this data  and
present it
to devs,

are there other tools / methodologies that would help users help driver
developers

Im  interested in testing and helping improve  network drivers such as as
im using
some of these interfaces in production (or want to run them in production)

em
ix
vio
ixl
iavf
tap
vlan
egre
eoip
etherip
vxlan


Thanks for your time and suggestions

Tom Smyth

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