Re: [PATCH v2 net-next 6/6] selftests: forwarding: add dynamic FDB test

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On Thu, Mar 30, 2023 at 22:27, Vladimir Oltean <olteanv@xxxxxxxxx> wrote:
> On Thu, Mar 30, 2023 at 09:07:53PM +0200, Hans Schultz wrote:
>> Not true, it reveals that I forgot to put it in the patch, that's all. As
>> I cannot run several of these tests because of memory constraints I link
>> the file to a copy in a rw area where I modify the list and just run one
>> of the subtests at a time. If I try to run the whole it always fails
>> after a couple of sub-tests with an error.
>> 
>> It seems to me that these scripts are quite memory consuming as they
>> accumulate memory consuption in relation to what is loaded along the
>> way. A major problem with my system.
>
> I'm sorry for perhaps asking something entirely obvious, but have you tried:
>
> kernel-dir $ rsync -avr tools/testing/selftests/ root@$board:selftests/
> board $ cd selftests/drivers/net/dsa/
> board $ ./bridge_locked_port.sh lan0 lan1 lan2 lan3
>
> ?
>
> This is how I always run them, and it worked fine with both Debian
> (where it's easy to add missing packages to the rootfs) or with a more
> embedded-oriented Buildroot.

The memory problems are of course on the embedded target. In that case I
think it would be a very good idea to do something to design the system
better, so that it frees memory between the subtests.

If all tests are always run on the bridge only, I think they don't make
much sense as these patchsets are directed towards switchcores.



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