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 D610346751; Thu, 15 May 2025 08:59:26 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CCD8740B8C; Thu, 15 May 2025 08:59:26 +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 A1D4840A87 for ; Thu, 15 May 2025 08:59:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1747292365; 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=WaqiSeO768TfrLCDV8pSTxkFoB22a1BVTzCxpiTYwophBxP9Z45hlR/h5nwj9ol3OT6HMy ZUmk9cZIeOPlI3AeBfzp/P5h9sSPBlNBcGMNfDgjj1O3UJnCcLp5NGf1BImICEnY5BnKnF WqOhZhw1AhEj5wpEN+ekgzZIw999tEI= Received: from mail-lj1-f197.google.com (mail-lj1-f197.google.com [209.85.208.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-541-u7Ul4kZ4NX2apTrm8q0CuQ-1; Thu, 15 May 2025 02:59:21 -0400 X-MC-Unique: u7Ul4kZ4NX2apTrm8q0CuQ-1 X-Mimecast-MFC-AGG-ID: u7Ul4kZ4NX2apTrm8q0CuQ_1747292360 Received: by mail-lj1-f197.google.com with SMTP id 38308e7fff4ca-326c9f269f8so2874861fa.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=bRhfbUMS7t+qJP/tlSkirH4ImH8IxBpRQTDGzNYyTFhc0VLrHbZVQYqsjQ685xVGRk 0H1midGPwq+aXhO7TED52fCD3x0Vt9AaLQF9rMccTayrLCHpgnMheBPdJ9zBmRnGrlzx TXSu4QkiAeyFF+Kyi9CzFdTi38Zf6efqdb+8zTKyMpPNuNBM6vJwMFJeIUE0H/XKdCLC LL8Gkzjg+ers7L2xkJqN64Zg7Eh7KvGNGlV+s4oKnUiyHMeBP75Iwul5A95902Lw1Yin NqNIkillORvvybjuvAcrE9sF+VdIFnBIcl7qu8hOio5SSLaav8VMholpIOpY4pP6PHhl H7iQ== X-Forwarded-Encrypted: i=1; AJvYcCWtXiW+Sb/xIlJ1zGvwWXiF/3E+jUly0103BTMn/j5EXVjODK/hNiaveyt++6OA895V6A==@dpdk.org X-Gm-Message-State: AOJu0Yy14l72BvskfXJS3huYKs23asNA/bYz79WRmAlZ2nIvFRtXd5Zd 28ZUUfJYY7EOUNPZvqTZoJbZu3CuQ0lA1Vo4AqbHfHCPn9ThOPoOQiQ81FJ/WB2KUuhKLm8Letw uv9ZCHT+yqbmIjg+GTMfdG0bQqbu2Yvh16k2O/AhojojfFlSBUzEdrdas6ri2LGpirmzaXhW1y2 HCH0Qk7wh/eV2ElQ== X-Gm-Gg: ASbGncsaxCqymzFwq8Zl8HGvNT4qk12ZNCgoJxEb80AxjBIxncx191C1aUieI3/tU6C 6/aQlMTD583vB6Z9cu8OaM4dWyzXa792KuXRkkVSxJjpdvxPKGYna5f/cpc3SPLR7HPC7z4g= X-Received: by 2002:a05:651c:b08:b0:309:17:750d with SMTP id 38308e7fff4ca-327ed1d934cmr25713121fa.27.1747292360254; 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: gTRe2h31QgcdfqQCOUa7WMYbMBo2fSkqxJb1QQWQ0Ek_1747292360 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: ci@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK CI discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ci-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