From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 16F1AA05D3 for ; Wed, 27 Mar 2019 03:39:43 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0B8DD1B129; Wed, 27 Mar 2019 03:39:42 +0100 (CET) Received: from mail-pg1-f171.google.com (mail-pg1-f171.google.com [209.85.215.171]) by dpdk.org (Postfix) with ESMTP id 78CA01B11F for ; Wed, 27 Mar 2019 03:39:41 +0100 (CET) Received: by mail-pg1-f171.google.com with SMTP id k3so5493805pga.6 for ; Tue, 26 Mar 2019 19:39:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=csie-io.20150623.gappssmtp.com; s=20150623; h=from:content-transfer-encoding:mime-version:subject:message-id:date :to; bh=zWAzjiSrJF622aQk6jWDtjvq3SFE5DIJ6V8GnK1ULxs=; b=BzQyYiyVd969ZluC1NcCTG3PeizeQ+dRdaHhIuDyJcVgFNKSyKREqTRpdp5CMoodN2 YIdI7FiRbJ5byPoQNpBJ11b1eYTPuCwkmST2GGJTth/F6ER4NO9FEIbMvPlxcrd4bjyY 6037Je5I2xRQN6uZrf1DVeOq1MikAqV4Q+nnPVfXt8oi7ApuQHvAo6TwuqXXC6Ku7Url 9e6PHtKilEceB2+1TPwWYkYnuP+2PKrPkdMWB6UNAWY9kfg+sk7X6XGkU7i+lV2Frmt/ 8Zqyb203bf4HK89/vmTC5dhk8i6IXbcxuw/WBfYggcawHNbdXdKQkQjgnqq/KLPRMBn+ L8oA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:message-id:date:to; bh=zWAzjiSrJF622aQk6jWDtjvq3SFE5DIJ6V8GnK1ULxs=; b=PHUZL3I7Hd4Yrbz1pz9vaPL/NUiUmXfSHo52C8MpEFZxy69QEWuFDsZxJNwynSur7n uXhaUc/326MGdF1zezBPRuQzqvuSSCMtTbijnE5LN73RrdealWM92BHsHfy05HxiXHeb VsCxFirGrRQzFExytthBpUeUY5/1gSDsdLlpd+K0jVJqqSGsm+t0/j1R9eCQSCVbzlWF pVAzZ9pQcX3AMNnPBqxxcliFKfmX6VFDem3rWuQ3hDWovO/ffGQ49R3Y2WRhBiKNoWEs Mv5sBCk5DRWjJdls3r49wsj/AA6zbRq2atxvV7jHQeqeLWcimuts0jSrHV7t4uSJvzUI 2S7Q== X-Gm-Message-State: APjAAAXavzbHR9DCPde/E8u2S4flQyyltLeGah6MSyZuvF/suLZOofOC LswRNXiMYtoUv06DZk6PEermUhS8BA8= X-Google-Smtp-Source: APXvYqzUlAoWrWoRTwZiDZj8A7rj3iSYqUYF7oJK7/i4Rm5ViaM0tecMlW2dD0lZgyX/PCPbctvZwg== X-Received: by 2002:a63:1d26:: with SMTP id d38mr3233617pgd.357.1553654380519; Tue, 26 Mar 2019 19:39:40 -0700 (PDT) Received: from 2001-b400-e359-a103-d462-f396-81fd-6fdf.emome-ip6.hinet.net (2001-b400-e359-a103-d462-f396-81fd-6fdf.emome-ip6.hinet.net. [2001:b400:e359:a103:d462:f396:81fd:6fdf]) by smtp.gmail.com with ESMTPSA id 66sm15202601pfr.44.2019.03.26.19.39.39 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 Mar 2019 19:39:39 -0700 (PDT) From: Huai-En Tseng Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Message-Id: <5592CCD5-90AF-4CD1-83F9-4CA94EA08A3D@csie.io> Date: Wed, 27 Mar 2019 10:39:33 +0800 To: users@dpdk.org X-Mailer: Apple Mail (2.3445.102.3) Subject: [dpdk-users] rte ring dequeue cannot dequeue from rte ring 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" Hi Dpdk users, I coded a program which will create 3 lcores |=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2= =80=94recv packet then enqueue lcore 1 | =E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94|=E2=80=94=E2= =80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94dequeue then do something = lcore 2 | |=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2=80=94=E2= =80=94only recv from another port then tx lcore 3 when I enqueue to the rte ring from lcore 1, I can=E2=80=99t dequeue in = lcore 2.=20 I declare the ring variable in global and call rte_ring_create() before = call rte_eal_remote_launch(), The rte_ring_dequeue_burst(rte_ring,&mail,1,NULL) in a for loop always = return 0 The mail variable I declare is a pointer and assign mail =3D (char = *)malloc(sizeof(1518)); I have checked the rte_ring variable in both lcore point to same ring = (by checking their memory addr is same)=20 Besides, the return value of rte_ring_count() after I enqueue 1 msg is 1 = but at lcore 2 rte_ring_count() always return 0 does anyone know is there anything wrong? thanks