From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f179.google.com (mail-yw0-f179.google.com [209.85.161.179]) by dpdk.org (Postfix) with ESMTP id 960EF3978 for ; Fri, 15 Jul 2016 08:51:43 +0200 (CEST) Received: by mail-yw0-f179.google.com with SMTP id i12so93343702ywa.1 for ; Thu, 14 Jul 2016 23:51:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to; bh=ICKm0FKcmXYRNtA1U7QyK3bv1kepOXmYDV6+QehdH/4=; b=A5pNbh4pF8dxQ05drm5E0m9+1Evq+c2oSKoPtshQ0fCt4Vm1i+3WDsXBb+u7a7tl/S UcZIoRW7KnO3sj7z3vOZm5FnIKXuDQ4SIPbB9zRfAQiHyKg1WR/lQXAqLgs0BbuwdnKw UocWoU4lqQ4wmgduKDp1hBLmiRTBF5T15bB31X2g3Wk+yLEOOmaSELzCC49IDO7Ool7E VjJfPhGTr4QFAokMzwNc3nk5P7UeeJ4JfKRfIjmXiZ1xqXaA9lLjwqM1zNpyBtdzIFDk iIg+esMsVkywPO0YNpgvdfb/FX9BowbM4wcuKyiM4/l4r5uF3yGDeNMlgNaLp94FQfmp VELw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=ICKm0FKcmXYRNtA1U7QyK3bv1kepOXmYDV6+QehdH/4=; b=N0fMltehyQDrXrq9bViQ2hKBdzZ73FrndSWoxQSBprzCOKsw9z8EYLZJK3rGJnn2jn EWHO1AC3dxlUFsanwSw/FCL6LTCIsLN/ghBHidee9/M+I7SwCwQVcvh59OMrp9q64Ecf t4lOjQ90STSV6PDv/JBjZj36AAmG/3T6cYXbAelsoExg4R1VdzKQxgxO87qgKG3SyyRS DW6hFQ/IvFBxcOkWfDpEq82YOxh3LT4oEKzLMWE+xSm64rm4nVdhkOFA+ANBfrKmXdNV b2TDrvTApUa566tQ1hzcUjHVHz8EwqZk42X6VI3d7/UOgWZCFa0opE0EUG2GgMGxdBTG o/PA== X-Gm-Message-State: ALyK8tKF9vXVn+kA6a3hR2IroVHgmgyxQO++mOsE9EiTX/TJ1VOWEA+Q74Ktc3jHtLgWsWQHOLhWWyAL/di86g== X-Received: by 10.37.72.193 with SMTP id v184mr11422911yba.99.1468565502939; Thu, 14 Jul 2016 23:51:42 -0700 (PDT) MIME-Version: 1.0 Received: by 10.129.91.212 with HTTP; Thu, 14 Jul 2016 23:51:42 -0700 (PDT) From: Kevin Wilson Date: Fri, 15 Jul 2016 09:51:42 +0300 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset=UTF-8 Subject: [dpdk-users] Which coremask and "-n" (number of mem channels) should be used for a system with only "node1" (no "node0") and 2 sockets ? X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Jul 2016 06:51:44 -0000 Hello, I have a machine on which there is a bit non common setup: I have only "node1" (no node0) under /sys/devices/system/node: ls /sys/devices/system/node/ ... node1 ... I have 2 sockets on this machines, and 16 cores: ./tools/cpu_layout.py ============================================================ Core and Socket Information (as reported by '/proc/cpuinfo') ============================================================ cores = [0, 1, 2, 3] sockets = [0, 1] Socket 0 Socket 1 -------- -------- Core 0 [0, 8] [4, 12] Core 1 [1, 9] [5, 13] Core 2 [2, 10] [6, 14] Core 3 [3, 11] [7, 15] What should be the "-c" and "-n" EAL paramaters that I should use ? I made several trials but none of them succeeded, applications cannot start. Please let me know if anything else is needed. Regards, Kevin