From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id ABE6BA0613 for ; Wed, 28 Aug 2019 17:06:06 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id BF7971B05; Wed, 28 Aug 2019 17:06:05 +0200 (CEST) Received: from mail-lf1-f48.google.com (mail-lf1-f48.google.com [209.85.167.48]) by dpdk.org (Postfix) with ESMTP id 140C611A2 for ; Wed, 28 Aug 2019 17:06:04 +0200 (CEST) Received: by mail-lf1-f48.google.com with SMTP id r5so2473499lfc.3 for ; Wed, 28 Aug 2019 08:06:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=M87EBry8k8yMV1QUd2HClj3rZdXZXj5IBjnuAxGA9Hg=; b=JjqHF/xj3oigJrnnCyhR9uH8caHqcVrLqoPgvAikLuwJIPd5axCnswh6TB/gHWKAob Q+cAqvrY9RbF7dAcYvjS1d51v/p2g9oSB3eIQe4gYE6dNlv1vNX1o5q5cOrf1lCv0Srb VFy2dcIivxRK1yjDKY31O0+18FXGK9x3jfuepNf9k4+hPT7W7vG8dUoYksbMzmc8jHOE NVEVdFowURW+s+W9SwBxWsqAhz9NhlRpnvF+3AcvmLJUgPwf8Edi39eXDe5qBhRJuVst khiLY12GQJB2QK4zz5NN3KcBFNXbwmp8+eLEzrtw7gK3Rvus7ms0Iw+5z+BAl8www6z4 YF3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=M87EBry8k8yMV1QUd2HClj3rZdXZXj5IBjnuAxGA9Hg=; b=DgrIbBydM3VqrAapnKKEl3SLqACfencCEgYtaw0wX9EsbcPgjnOHuOs19oxKtxs8Th nNK6OydkRK59pxCvztvQKKDY6CGDPTpetyq3DWK9Ze4SIRgko1hFkWo32pUbQcTPB4RA RM6J213k5JwJZluQIyHx0qnlTAYSDMPxzRQ0waPDJRC1O6cg4yvM9/D8G6NLESIBxS9H n5yQD5VOXJUNI2p2tWijZDhuudTjCarG8gHCn84PLiFvnhy5kcRA0V3fR7VGgJ3ba57L Lm6rsTes5aQ9FG+k3sYsrxrF++xp4GtdHk67XVhBghMa1CECtADYJNtvWFA/d7UGm2zO IE1A== X-Gm-Message-State: APjAAAVzNtI4EEuPh6S5Bb5EWFYqM1UcauOrf6CyKAPnlvYXiqV7wEam ZE5Qy92euk7KaZ2zLvjYQxBLetVTZBz5XgjrPWGeKniwwY4= X-Google-Smtp-Source: APXvYqwWbQdIYR1VsFdIsoP6koaq7CsZkXjU0LGOjfVlqNEYgPh1i+aRE2wNrFkr0+n4zclAYMl/4T0ab9kYnPhyrBM= X-Received: by 2002:a19:dc14:: with SMTP id t20mr2984702lfg.182.1567004763111; Wed, 28 Aug 2019 08:06:03 -0700 (PDT) MIME-Version: 1.0 From: Venumadhav Josyula Date: Wed, 28 Aug 2019 20:35:51 +0530 Message-ID: To: dev@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-dev] Drops seen with virtio pmd driver X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi All, We are observing packet drops ~@90Mbs with virtio pmd driver. These packets are not been queued in the tx descriptors, the function 'rte_eth_tx_burst' is returning the less than n. So questions are following i) are there any issues seen ? Observations in our case :- i) packets are dropped and tx packets donot get incremented. ii) i) happens for 30 secs after that it recovers. iii) After sometime we see this issue in i) & ii) again. Any clues / pointers will help. Thanks, Regards, Venu