From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it1-f173.google.com (mail-it1-f173.google.com [209.85.166.173]) by dpdk.org (Postfix) with ESMTP id 05EC8201 for ; Mon, 12 Nov 2018 05:07:46 +0100 (CET) Received: by mail-it1-f173.google.com with SMTP id k141-v6so11377483itk.3 for ; Sun, 11 Nov 2018 20:07:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=eoFfyGFrrBs1emMzyPqOig/vz0svYOZ3QbTtE50xxG0=; b=vCjOjdIFHtaY2RtH4q39xKkhznlHR8UtV/7o5HKhets29XIrkVXjRClvV6IYkWiknI KeVEIL71EKtkraiLmZdhIYOch/WuDcEPDMrvZxmaalyGL6YwDRZELJ7Fe7Ct54WYKE2g aYPKbNJaLQ8Y5wT4moRMndSjfsz55SItMEHHCcPDumvj5sd7rYl2J3NWsV5rFtGpHhdv fjk7rMzBlVbgKHTOl/OCz7WAHs5xmPnTMsiHG+BokG/tbh1Ac320DG5W2oZ/IxF+QdpS 4BYkjl7su87JVE1APhqsTdMejYgUebH/iLhfG1zmmmL7VcAqaNniLxHbUHjRHHfywtjI I+QQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=eoFfyGFrrBs1emMzyPqOig/vz0svYOZ3QbTtE50xxG0=; b=ppIrxuu99twSq8X7IkQjUHWC0ecx7qhPDFQBn20O4gvWAwGJiVkIWVhPpbu3FyBojQ 72F4apY6+MehKL3DrXZsNkIR+si0E7mbNEM1T4Zajz1bj46ZS5vT/jeJVnh18XVaRpxq Md4foCDOXIKb3bPwNt3mc2f0c+Fbo5fXaCskX5lGKA6Wghc5l4x1lEkTnUe89Hodhf5+ nIjj9pZ7UzrDCY/D6nk9dSESOrVjNyDbxTsklg9KHdD27vU3AyOjtA1XUR+u2VcCK7vT 0awh+mS6bLRWrRAAIPCh+Cw/O0qSCJYEGBP7vw6ot+xR6zCWYjZJYIpQyy/7WIPVKabR tasw== X-Gm-Message-State: AGRZ1gJ3VqmisXPfQWnhc1MGSpE/wKdW0pmIj2cqQAq5Lrm1pldRLgyS 0zJRwpRRXuEiMyM/TWAsXv1ZdTecisV8sXN0AEw= X-Google-Smtp-Source: AJdET5e5qAXp64pESmxLh/kWu8srwjl28KYMw70ldW4tMu4PRbDUbRG/p/SH6nI+n8Dz8MoSRBCfJnUvGq7l9VeNbE0= X-Received: by 2002:a24:38b:: with SMTP id e133-v6mr11250895ite.104.1541995666123; Sun, 11 Nov 2018 20:07:46 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Kusuma DS Date: Mon, 12 Nov 2018 09:37:39 +0530 Message-ID: To: shaklee3@gmail.com Cc: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] Question on Multiple process support Application X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Nov 2018 04:07:47 -0000 Thanks for the information. On Mon, Nov 5, 2018 at 7:16 PM Cliff Burdick wrote: > > > > On Mon, Nov 5, 2018, 04:56 Kusuma DS >> Hii, >> >> I have some doubts regarding multiple process example application. >> >> I have 2 processes running in my setup using multiprocess client and >> server >> concept, am doing rx_burst in server process and tx_burst in client >> process. But the thing is i have one isolated cpu, So both the process are >> sharing the cpu. >> >> What i understand through the document provided by the dpdk is In the >> concept of memory pool there will be per core cache lock, so if we try to >> do tx and rx in different process there will be software cache problem >> will >> occur, so there will be corrupting the memory in shared memory pool. >> >> How to resolve this issue??If anyone Know about this issue please let me >> know. >> > > The documentation specifies you can't lcores across processes: > > "All DPDK processes running as a single application and using shared > memory must have distinct coremask/corelist arguments. It is not possible > to have a primary and secondary instance, or two secondary instances, using > any of the same logical cores. Attempting to do so can cause corruption of > memory pool caches, among other issues." > > Have you tried two cores? > > >> Thanks, >> Kusuma >> >