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 5EA5AA0597 for ; Thu, 9 Apr 2020 17:34:28 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id BAB1A1C29F; Thu, 9 Apr 2020 17:34:27 +0200 (CEST) Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) by dpdk.org (Postfix) with ESMTP id 5C2F81C29B for ; Thu, 9 Apr 2020 17:34:26 +0200 (CEST) Received: by mail-pj1-f54.google.com with SMTP id cp9so1103225pjb.0 for ; Thu, 09 Apr 2020 08:34:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XhymhgmsOpE6UYCuVWUq6a0p1YhrQivgqblYbcQw4tI=; b=uLEcaC9JU8QcM6Cja6Lt7EVL+1oTS6FlFWUOjZM9WUTOisUdwHyRChPBQ4aiGrrRB8 hQ32LTafmtYviNcfJg4YfVAbIYKv6YKp47X4Rooa0O8rcSGxuM9VtCXKAwcythZGfPuR BP/manNlS1KkALb+wMM6uAiRZRy4q7A6lm6VRQvjJQJSkBgrqZ6eo0TOHiOvLybkwIRZ 0SlYZFYmSd07fY9MfJ9lLqniPSazKwiQ3G2f+QDWEoaqMCaPwdRU+LSraMWxeK2S5JS6 1ORl5B79R4roXbqPtY1ms6n/fV4wJi5CJPFqrV1M1wS7sFOUbL2UARIbGKG2riRB4+wI XaIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XhymhgmsOpE6UYCuVWUq6a0p1YhrQivgqblYbcQw4tI=; b=g+dhSqAXhvPEUhlLgHX0+5hu246Xmq1ibIuy39kI6ZLSetyCYXS0e7MV6BaegSq+Rq 6MnDm1pVCJmSfaknh0JRRCuUzyptJOGiCJvn4tv70PnwCZ55curOx3/rxpAgfkYVo0s1 d6vovTEl9nlcnPwMRQYL+F7szOdxirLbHrfYK3RpRyetWp2xQgg3L4PTtD2H3Y+BEY3+ 7A/L3R/aLnacJCJSWX8Y7VZWeEf33lznN+d/tZm6YVYk6ss3MauAyNH42A7rhHiUWefX WoL0WWhspaNdjms/x7VSrRQPpBSJgLxF4fCfr7H4+yJazq2KLxvaiDDbYpUGblB7NZlE 300w== X-Gm-Message-State: AGi0PuYoQef+ctYnFWKZ7KrRph7j3FaSOH4pTuFSbhM4XtUvABVSUAMr b99/ik0AB66Jgh07Q4ctSLMp/w== X-Google-Smtp-Source: APiQypIxYxejIpmRPE/0RBow88eSSaxIV7WxKkK38dV9fQuv6+M+Z0hIBt7M4gRdrhvW19riP+59Yw== X-Received: by 2002:a17:90a:10c1:: with SMTP id b1mr6459pje.142.1586446465425; Thu, 09 Apr 2020 08:34:25 -0700 (PDT) Received: from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id y29sm18279782pge.22.2020.04.09.08.34.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Apr 2020 08:34:25 -0700 (PDT) Date: Thu, 9 Apr 2020 08:32:36 -0700 From: Stephen Hemminger To: Shyam Shrivastav Cc: Cristofer Martins , "users@dpdk.org" Message-ID: <20200409083236.08573753@hermes.lan> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-users] General Questions 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: , Errors-To: users-bounces@dpdk.org Sender: "users" On Thu, 9 Apr 2020 20:57:19 +0530 Shyam Shrivastav wrote: > From my experience as dpdk user > > On Thu, Apr 9, 2020 at 11:41 AM Cristofer Martins < > CristoferMartins@hotmail.com> wrote: > > > Well the reason i thought about using dpdk(together with a user space tcp > > stack) is because my tcp code spend so much time with syscalls that > > removing that would allow better throughput and latency. Is this a valid > > reason? My software runs in single core(and most of time in cheap vps) so i > > want to extract the best i can from them. > > > > Yes using dpdk instead of getting packets from kernel stack increases > performance > > > > > The other question is, can dpdk runs alongside with the linux network > > stack? I want to use dpdk in my special app but i still want to have ssh > > and apps working as expected without any modification. > > > Interface used by dpdk is not available, at least another interface > required for management/access & other network apps > > > > > > > Thanks in advance. > > This might be a good use case for AF_XDP with or without DPDK