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{ "id": 43655, "url": "http://patches.dpdk.org/api/covers/43655/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20180809175008.5787-1-stephen@networkplumber.org/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20180809175008.5787-1-stephen@networkplumber.org>", "list_archive_url": "https://inbox.dpdk.org/dev/20180809175008.5787-1-stephen@networkplumber.org", "date": "2018-08-09T17:50:04", "name": "[0/4] netvsc performance enhancements", "submitter": { "id": 27, "url": "http://patches.dpdk.org/api/people/27/?format=api", "name": "Stephen Hemminger", "email": "stephen@networkplumber.org" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20180809175008.5787-1-stephen@networkplumber.org/mbox/", "series": [ { "id": 954, "url": "http://patches.dpdk.org/api/series/954/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=954", "date": "2018-08-09T17:50:04", "name": "netvsc performance enhancements", "version": 1, "mbox": "http://patches.dpdk.org/series/954/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/43655/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 35A3F2C39;\n\tThu, 9 Aug 2018 19:50:21 +0200 (CEST)", "from mail-pf1-f196.google.com (mail-pf1-f196.google.com\n\t[209.85.210.196]) by dpdk.org (Postfix) with ESMTP id 2EEF82BCD\n\tfor <dev@dpdk.org>; Thu, 9 Aug 2018 19:50:19 +0200 (CEST)", "by mail-pf1-f196.google.com with SMTP id x17-v6so3194924pfh.5\n\tfor <dev@dpdk.org>; Thu, 09 Aug 2018 10:50:19 -0700 (PDT)", "from xeon-e3.lan (204-195-22-127.wavecable.com. [204.195.22.127])\n\tby smtp.gmail.com with ESMTPSA id\n\tn22-v6sm14993873pfj.68.2018.08.09.10.50.16\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tThu, 09 Aug 2018 10:50:16 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=networkplumber-org.20150623.gappssmtp.com; s=20150623;\n\th=from:to:cc:subject:date:message-id;\n\tbh=yKO4dBmNoahqBIWDSyh5eB5hHQDtCLb4xUtp8JK4dCY=;\n\tb=BEjiaTvWWnik0y3vYfPlQjyEfVMn/hHNw0UmWOaPF4hopBtjwxKPMa8xL3Oj/BfAqg\n\tjOK44XhQH6W/WFQrdZaPm26lYe/w/sOc7PhVCCMa0b8TRgcdKGWiBTRkmwaREjRrq5U5\n\tBhMPUkUhc+FiHCQYsblduh+F6i/7iMAmNk3zMWyeTDrG8Nii07zP2pdTIHxw/bc3L97A\n\t1FTtdDbeCGSe+Un60WOsqUcQCXHb6VjUn+WhM3H7gSfG0Vgit8aA01OBIzrW8uzKuQlB\n\tgkUgg4PATdt01CwflqMNCTtPOynBW3fZYEm/d9Rqxzzjckj6aQdPeQxICe/fly8F8UEG\n\tfwmQ==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id;\n\tbh=yKO4dBmNoahqBIWDSyh5eB5hHQDtCLb4xUtp8JK4dCY=;\n\tb=cvOFufLhR1P2kn8Nz8gN+HhEnlqdkOoccYYL9SsrgXDS4RDCM19haQOGW3S/SN2fHY\n\tUHc880PnKDmyoagWK5octSTyL7De3JjBr/C3gAnC0lgvLoiBsH4IH5Mf3CcFh1I0ClDf\n\t9KFrD+zWs+peAaZZcLdW3B4dN6RwamzflatN03/qY4XGPdyJlELQJOIAscWimr5RPdgr\n\tdPJqd7jC9IkSfp4SsglLXI2iytGeNycEm/sA2KP+2j5eg4AvrPHeH8UcHUZrWHIiSC6m\n\tl5roukSXbLwAjx1oyXQGbuErL8HOiBwc/iuk6rYMleLuBWw68ivp6mBvZGot7RnJnFiK\n\tVzQQ==", "X-Gm-Message-State": "AOUpUlFcvsKrcSmXkOnIbdfKN/pPIWtbwZFq6cY0rDFPt/uDRneOpFG4\n\tcoD7+y7eOlyxe0VwEemX+u4aGsnVggE=", "X-Google-Smtp-Source": "AA+uWPwQ/Grh+90CR6r5Twmqnl1+TooVR2OaQs5bkhB7mFJQo8OeiNlv1B8hJkEtR7hjVfoSYg8E6w==", "X-Received": "by 2002:a62:95d1:: with SMTP id\n\tc78-v6mr3435222pfk.130.1533837017750; \n\tThu, 09 Aug 2018 10:50:17 -0700 (PDT)", "From": "Stephen Hemminger <stephen@networkplumber.org>", "To": "dev@dpdk.org", "Cc": "Stephen Hemminger <stephen@networkplumber.org>", "Date": "Thu, 9 Aug 2018 10:50:04 -0700", "Message-Id": "<20180809175008.5787-1-stephen@networkplumber.org>", "X-Mailer": "git-send-email 2.18.0", "Subject": "[dpdk-dev] [PATCH 0/4] netvsc performance enhancements", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Some more netvsc performance related changes.\nThe biggest benefit comes from lowering the hypervisor polling rate\nfrom 100us to 50us. Supporting tx_done_cleanup can also help some\napplications get through the send completions faster.\n\nStephen Hemminger (4):\n netvsc: chimney buffer size error handling\n bus/vmbus: add host latency tuning function\n netvsc: set lower host latency\n netvsc: implement tx_done_cleanup\n\n drivers/bus/vmbus/rte_bus_vmbus.h | 15 +++++++++++\n drivers/bus/vmbus/rte_bus_vmbus_version.map | 1 +\n drivers/bus/vmbus/vmbus_channel.c | 30 +++++++++++++++++++++\n drivers/net/netvsc/hn_ethdev.c | 7 +++++\n drivers/net/netvsc/hn_nvs.c | 13 +++------\n drivers/net/netvsc/hn_rndis.c | 2 +-\n drivers/net/netvsc/hn_rxtx.c | 26 ++++++++++++++----\n drivers/net/netvsc/hn_var.h | 7 ++++-\n 8 files changed, 85 insertions(+), 16 deletions(-)" }