From: David Marchand <david.marchand@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Patrick Robb <probb@iol.unh.edu>, dev <dev@dpdk.org>,
Aaron Conole <aconole@redhat.com>,
ci@dpdk.org, Cody Cheng <ccheng@iol.unh.edu>
Subject: Re: pcapng_autotest unit test false positive
Date: Thu, 15 May 2025 08:59:07 +0200 [thread overview]
Message-ID: <CAJFAV8xyZnjXVdbi3hsiSKMN5200H6tymEpxZ3O38X-Mh_dsFQ@mail.gmail.com> (raw)
In-Reply-To: <20240401174624.124d2f2f@hermes.local>
On Tue, Apr 2, 2024 at 2:46 AM Stephen Hemminger
<stephen@networkplumber.org> wrote:
>
> On Mon, 1 Apr 2024 18:26:44 -0400
> Patrick Robb <probb@iol.unh.edu> wrote:
>
> > Another idea - maybe multiple timestamps are gathered from different
> > CPU registers during the same test, and they are misaligned for that
> > reason. Maybe we can try reducing the cores for each unit test to 1
> > and checking whether the issue persists.
>
> TSC is expected to be sync'd between cores. But of course packets can
> arrive out of order on different cores.
Just a note that there was one more occurence of this false positive today.
https://lab.dpdk.org/results/dashboard/patchsets/33170/
--
David Marchand
next prev parent reply other threads:[~2025-05-15 6:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-20 18:02 David Marchand
2024-03-22 17:12 ` Patrick Robb
2024-03-22 23:34 ` Stephen Hemminger
2024-04-01 22:26 ` Patrick Robb
2024-04-02 0:46 ` Stephen Hemminger
2025-05-15 6:59 ` David Marchand [this message]
2025-05-15 12:33 ` Patrick Robb
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