{"id":814647,"url":"http://patchwork.ozlabs.org/api/patches/814647/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/1505651798-106642-2-git-send-email-robert.hu@linux.intel.com/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<1505651798-106642-2-git-send-email-robert.hu@linux.intel.com>","list_archive_url":null,"date":"2017-09-17T12:36:37","name":"[pktgen,script,v2,1/2] Add some helper functions","commit_ref":null,"pull_url":null,"state":"not-applicable","archived":true,"hash":"c78539cb41da6f1d9dd1802623e5b4422c12188f","submitter":{"id":72226,"url":"http://patchwork.ozlabs.org/api/people/72226/?format=json","name":"Robert Hoo","email":"robert.hu@linux.intel.com"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/1505651798-106642-2-git-send-email-robert.hu@linux.intel.com/mbox/","series":[{"id":3512,"url":"http://patchwork.ozlabs.org/api/series/3512/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=3512","date":"2017-09-17T12:36:36","name":"Add a pktgen sample script of NUMA awareness","version":2,"mbox":"http://patchwork.ozlabs.org/series/3512/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/814647/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/814647/checks/","tags":{},"related":[],"headers":{"Return-Path":"<netdev-owner@vger.kernel.org>","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xw7tc2CWTz9sDB\n\tfor <patchwork-incoming@ozlabs.org>;\n\tSun, 17 Sep 2017 22:36:56 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751407AbdIQMgt (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tSun, 17 Sep 2017 08:36:49 -0400","from mga04.intel.com ([192.55.52.120]:56558 \"EHLO mga04.intel.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1750885AbdIQMgs (ORCPT <rfc822;netdev@vger.kernel.org>);\n\tSun, 17 Sep 2017 08:36:48 -0400","from fmsmga004.fm.intel.com ([10.253.24.48])\n\tby fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t17 Sep 2017 05:36:47 -0700","from sqa-gate.sh.intel.com (HELO kvm-host.tsp.org)\n\t([10.239.48.212])\n\tby fmsmga004.fm.intel.com with ESMTP; 17 Sep 2017 05:36:46 -0700"],"X-ExtLoop1":"1","X-IronPort-AV":"E=Sophos;i=\"5.42,407,1500966000\"; d=\"scan'208\";a=\"312616194\"","From":"Robert Hoo <robert.hu@linux.intel.com>","To":"brouer@redhat.com, davem@davemloft.net, tariqt@mellanox.com,\n\tkyle.leet@gmail.com","Cc":"netdev@vger.kernel.org, robert.hu@intel.com","Subject":"[pktgen script v2 1/2] Add some helper functions","Date":"Sun, 17 Sep 2017 20:36:37 +0800","Message-Id":"<1505651798-106642-2-git-send-email-robert.hu@linux.intel.com>","X-Mailer":"git-send-email 1.8.3.1","In-Reply-To":"<1505651798-106642-1-git-send-email-robert.hu@linux.intel.com>","References":"<1505651798-106642-1-git-send-email-robert.hu@linux.intel.com>","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"<netdev.vger.kernel.org>","X-Mailing-List":"netdev@vger.kernel.org"},"content":"From: Robert Hoo <robert.hu@intel.com>\n\n1. given a device, get its NUMA belongings\n2. given a device, get its queues' irq numbers.\n3. given a NUMA node, get its cpu id list.\n\nSigned-off-by: Robert Hoo <robert.hu@intel.com>\n---\n pktgen/functions.sh | 44 ++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 44 insertions(+)","diff":"diff --git a/pktgen/functions.sh b/pktgen/functions.sh\nindex 205e4cd..09dfe7a 100644\n--- a/pktgen/functions.sh\n+++ b/pktgen/functions.sh\n@@ -119,3 +119,47 @@ function root_check_run_with_sudo() {\n \terr 4 \"cannot perform sudo run of $0\"\n     fi\n }\n+\n+# Exact input device's NUMA node info\n+function get_iface_node()\n+{\n+    local node=$(</sys/class/net/$1/device/numa_node)\n+    if [[ $node == -1 ]]; then\n+        echo 0\n+    else\n+        echo $node\n+    fi\n+}\n+\n+# Given an Dev/iface, get its queues' irq numbers\n+function get_iface_irqs()\n+{\n+\tlocal IFACE=$1\n+\tlocal queues=\"${IFACE}-.*TxRx\"\n+\n+\tirqs=$(grep \"$queues\" /proc/interrupts | cut -f1 -d:)\n+\t[ -z \"$irqs\" ] && irqs=$(grep $IFACE /proc/interrupts | cut -f1 -d:)\n+\t[ -z \"$irqs\" ] && irqs=$(for i in `ls -Ux /sys/class/net/$IFACE/device/msi_irqs` ;\\\n+\t    do grep \"$i:.*TxRx\" /proc/interrupts | grep -v fdir | cut -f 1 -d : ;\\\n+\t    done)\n+\t[ -z \"$irqs\" ] && err 3 \"Could not find interrupts for $IFACE\"\n+\n+\techo $irqs\n+}\n+\n+# Given a NUMA node, return cpu ids belonging to it.\n+function get_node_cpus()\n+{\n+\tlocal node=$1\n+\tlocal node_cpu_list\n+\tlocal node_cpu_range_list=`cut -f1- -d, --output-delimiter=\" \" \\\n+\t                  /sys/devices/system/node/node$node/cpulist`\n+\n+\tfor cpu_range in $node_cpu_range_list\n+\tdo\n+\t    node_cpu_list=\"$node_cpu_list \"`seq -s \" \" ${cpu_range//-/ }`\n+\tdone\n+\n+\techo $node_cpu_list\n+}\n+\n","prefixes":["pktgen","script","v2","1/2"]}