Re: [PATCH bpf-next,v3] selftests/bpf: add lwt ip encap tests to test_progs

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On Thu, Aug 25, 2022 at 5:06 AM Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
>
> On Wed, Aug 24, 2022 at 10:20 AM <patchwork-bot+netdevbpf@xxxxxxxxxx> wrote:
> >
> > Hello:
> >
> > This patch was applied to bpf/bpf-next.git (master)
> > by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
> >
> > On Wed, 24 Aug 2022 14:06:32 +0300 you wrote:
> > > Port test_lwt_ip_encap.sh tests onto test_progs.
> > >
> > > In addition, this commit adds "egress_md" tests which test a similar
> > > flow as egress tests only they use gre devices in collect_md mode
> > > for encapsulation and set the tunnel key using bpf_set_tunnel_key().
> > >
> > > This introduces minor changes to the test setup and test_lwt_ip_encap.c:
> > >
> > > [...]
> >
> > Here is the summary with links:
> >   - [bpf-next,v3] selftests/bpf: add lwt ip encap tests to test_progs
> >     https://git.kernel.org/bpf/bpf-next/c/a8df1b0636af
> >
> > You are awesome, thank you!
>
> Sorry. I had to revert this patch.
> It added 1 min 40 seconds to test_progs that I manually run
> every time I apply patches.
> Essentially it doubled the test_progs run-time.
> Please find a way to test the same functionality in a few seconds.

Sorry about that! I ported some of the delays from the original script
in an effort to improve robustness which is probably the bulk of the run time.
I'll find a different approach.

Eyal.



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