From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D004D46751; Thu, 15 May 2025 08:59:24 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B9CB340667; Thu, 15 May 2025 08:59:24 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 75581402C2 for ; Thu, 15 May 2025 08:59:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1747292363; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lUS1RaZh0vlfA1rkpRytXVmih9Eoz+544V0Yu6fMTl8=; b=Tsxi731q1MxJNfvzvrsvVCEe4b0DBbryDI8EICC+9p4hxFeEghMS3f6yGIYwrxkODpRjpc lCMrcNSr7P14mtHhtzwzfnBCcOuZbDezgdAmS5TxKmbTLR5gH3er2irQZWI+cIHQ5Ncezs G4E//RyB72T6lUVwYowkt6OyYXvzrPo= Received: from mail-lj1-f200.google.com (mail-lj1-f200.google.com [209.85.208.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-683-NDT8gxpEN1eAX7ej3HZqLw-1; Thu, 15 May 2025 02:59:21 -0400 X-MC-Unique: NDT8gxpEN1eAX7ej3HZqLw-1 X-Mimecast-MFC-AGG-ID: NDT8gxpEN1eAX7ej3HZqLw_1747292360 Received: by mail-lj1-f200.google.com with SMTP id 38308e7fff4ca-326c9f269f8so2874831fa.1 for ; Wed, 14 May 2025 23:59:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747292360; x=1747897160; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lUS1RaZh0vlfA1rkpRytXVmih9Eoz+544V0Yu6fMTl8=; b=NIFnXHYurAcEoMUTX36CyMwMv9aoFuCLEDdWStbmAQH/AKRbGBR4krAwKgpQRmv0CM awP/2wLHNDR4HCOIHpqNhRyZUkchW8SSZ0btKduhWPqWMLvxGHpFyq9VP1lKcZohUN0L luD8HkeU+/oPcx8exJdkvxGU1fAqX52qjUZJSAMS36oG1lpWrTWCAKXqaNgPnLwAqQGq CP7rl6ESaJaGQOGdypfDcyk14F4JpF+L52i5w1ol/f8J887NT6EbJalxbW4X4fJaIrcx Ugoo9lOjzLap2eSS6YcNrzUcePnsuZ5PigQX4EqVX7locThU8/qoXvEaoc3Wo+8s2ufM 2mQQ== X-Forwarded-Encrypted: i=1; AJvYcCU1dRwKM0KyRfnBfzaMp/FZ7X+TG1+oGnMRDA6rCdy4v2684m6AGZEeOdSrcJ36g2+f1zI=@dpdk.org X-Gm-Message-State: AOJu0YwDiH74KpIqsLxakaGObL5KB4YyimqEzRsHkaTicWgyUyRRDWen alBs3+dTxmx5HIfDFhmS7PHsa3OUvvR2BFBrsbphZ6Z2X8JRULr+Dtzn7Jqqdzpz09xRAJwUdGh 7wrD5FRDB5/V5Llpuwbtxeusa+6S+C7II+qkbGwiIS9+oyJimeWEIyg6mZpcSD+6frFxn4F5uZy b+8UT4VbjPN6wD6kA= X-Gm-Gg: ASbGnct78CCI3spxZULPjNlC5akre3H/D8lw8e6iKbHt1gLXMN2TvUtKiWuL6UimK5Q EP8r6tKkkWlArUQ+bDPkjVdPybFSL429Psyk5iTb7CRe3P0Ri6Z1zhkdu40pBeRp52cE4s/8= X-Received: by 2002:a05:651c:b08:b0:309:17:750d with SMTP id 38308e7fff4ca-327ed1d934cmr25713081fa.27.1747292360085; Wed, 14 May 2025 23:59:20 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF79mLvPQDgQ9TR4cWIdPKoaW+vg0/uj4nPCfUvMTxcCIG/gOpX1Ec5rb89q+hKcif6z7fbQqK6nfdTABHY/Sg= X-Received: by 2002:a05:651c:b08:b0:309:17:750d with SMTP id 38308e7fff4ca-327ed1d934cmr25712931fa.27.1747292359660; Wed, 14 May 2025 23:59:19 -0700 (PDT) MIME-Version: 1.0 References: <20240322163430.444bed0c@hermes.local> <20240401174624.124d2f2f@hermes.local> In-Reply-To: <20240401174624.124d2f2f@hermes.local> From: David Marchand Date: Thu, 15 May 2025 08:59:07 +0200 X-Gm-Features: AX0GCFvmUjcX8CYB36LZ0m8o-7YmPKGdJPtOdQDhirBfkIKJhfPD_lS6F7uIMR4 Message-ID: Subject: Re: pcapng_autotest unit test false positive To: Stephen Hemminger Cc: Patrick Robb , dev , Aaron Conole , ci@dpdk.org, Cody Cheng X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 2OZ04btqX_oaXZtd0-k_pTjFnEP3s1-fnc0M5N85XHw_1747292360 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Tue, Apr 2, 2024 at 2:46=E2=80=AFAM Stephen Hemminger wrote: > > On Mon, 1 Apr 2024 18:26:44 -0400 > Patrick Robb 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/ --=20 David Marchand