From: Jakub Kicinski <kuba@kernel.org>
To: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com,
pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org,
shuah@kernel.org, willemb@google.com, matttbe@kernel.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH net] selftests: net: packetdrill: xfail all problems on slow machines
Date: Fri, 1 Aug 2025 14:05:57 -0700 [thread overview]
Message-ID: <20250801140557.53a36012@kernel.org> (raw)
In-Reply-To: <688d2af39aff_2e1a6829416@willemb.c.googlers.com.notmuch>
On Fri, 01 Aug 2025 17:00:35 -0400 Willem de Bruijn wrote:
> Jakub Kicinski wrote:
> > We keep seeing flakes on packetdrill on debug kernels, while
> > non-debug kernels are stable, not a single flake in 200 runs.
> > Time to give up, debug kernels appear to suffer from 10msec
> > latency spikes and any timing-sensitive test is bound to flake.
> >
> > Signed-off-by: Jakub Kicinski <kuba@kernel.org>
>
> Reviewed-by: Willem de Bruijn <willemb@google.com>
I should have added "Willem was right" 'cause you suggested this
a while back. But didn't know how to phrase it in the commit msg :)
next prev parent reply other threads:[~2025-08-01 21:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-01 18:16 [PATCH net] selftests: net: packetdrill: xfail all problems on slow machines Jakub Kicinski
2025-08-01 21:00 ` Willem de Bruijn
2025-08-01 21:05 ` Jakub Kicinski [this message]
2025-08-01 21:44 ` Willem de Bruijn
2025-08-04 9:58 ` Matthieu Baerts
2025-08-05 0:30 ` patchwork-bot+netdevbpf
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