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Message-ID: <f7tzfqrn3ha.fsf@redhat.com>
Date: Mon, 08 Jul 2024 14:27:45 -0400
From: Aaron Conole <aconole@...hat.com>
To: Adrian Moreno <amorenoz@...hat.com>
Cc: netdev@...r.kernel.org,  Pravin B Shelar <pshelar@....org>,  "David S.
 Miller" <davem@...emloft.net>,  Eric Dumazet <edumazet@...gle.com>,  Jakub
 Kicinski <kuba@...nel.org>,  Paolo Abeni <pabeni@...hat.com>,  Shuah Khan
 <shuah@...nel.org>,  dev@...nvswitch.org,
  linux-kselftest@...r.kernel.org,  linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] selftests: openvswitch: retry instead of sleep

Adrian Moreno <amorenoz@...hat.com> writes:

> There are a couple of places where the test script "sleep"s to wait for
> some external condition to be met.
>
> This is error prone, specially in slow systems (identified in CI by
> "KSFT_MACHINE_SLOW=yes").
>
> To fix this, add a "ovs_wait" function that tries to execute a command
> a few times until it succeeds. The timeout used is set to 5s for
> "normal" systems and doubled if a slow CI machine is detected.
>
> This should make the following work:
>
> $ vng --build  \
>     --config tools/testing/selftests/net/config \
>     --config kernel/configs/debug.config
>
> $ vng --run . --user root -- "make -C tools/testing/selftests/ \
>     KSFT_MACHINE_SLOW=yes TARGETS=net/openvswitch run_tests"
>
> Signed-off-by: Adrian Moreno <amorenoz@...hat.com>
> ---

Looks like this does resolve the issue in question on the -dbg
environment:

https://netdev.bots.linux.dev/contest.html?executor=vmksft-net-dbg&test=openvswitch-sh

Thanks Adrian!  Also, thanks for including the fractional sleep.

Reviewed-by: Aaron Conole <aconole@...hat.com>


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