From: Stephen Hemminger <stephen@networkplumber.org>
To: Patrick Robb <probb@iol.unh.edu>
Cc: David Marchand <david.marchand@redhat.com>, 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: Mon, 1 Apr 2024 17:46:24 -0700 [thread overview]
Message-ID: <20240401174624.124d2f2f@hermes.local> (raw)
In-Reply-To: <CAJvnSUDZF9oTtj9yg12WuYRAQSVLsqxdFbdtFNu5Om1S1sWB4g@mail.gmail.com>
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.
prev parent reply other threads:[~2024-04-02 0:46 UTC|newest]
Thread overview: 5+ 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 [this message]
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