Show a cover letter.

GET /api/covers/115381/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 115381,
    "url": "https://patches.dpdk.org/api/covers/115381/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/cover/20220824162442.631456-1-kevin.laatz@intel.com/",
    "project": {
        "id": 1,
        "url": "https://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": "<20220824162442.631456-1-kevin.laatz@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20220824162442.631456-1-kevin.laatz@intel.com",
    "date": "2022-08-24T16:24:39",
    "name": "[v2,0/3] Add lcore poll busyness telemetry",
    "submitter": {
        "id": 921,
        "url": "https://patches.dpdk.org/api/people/921/?format=api",
        "name": "Kevin Laatz",
        "email": "kevin.laatz@intel.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/cover/20220824162442.631456-1-kevin.laatz@intel.com/mbox/",
    "series": [
        {
            "id": 24401,
            "url": "https://patches.dpdk.org/api/series/24401/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=24401",
            "date": "2022-08-24T16:24:39",
            "name": "Add lcore poll busyness telemetry",
            "version": 2,
            "mbox": "https://patches.dpdk.org/series/24401/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/covers/115381/comments/",
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
            "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id ABE7BA0543;\n\tWed, 24 Aug 2022 18:23:03 +0200 (CEST)",
            "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 98F3941144;\n\tWed, 24 Aug 2022 18:23:03 +0200 (CEST)",
            "from mga04.intel.com (mga04.intel.com [192.55.52.120])\n by mails.dpdk.org (Postfix) with ESMTP id 3012C4067B\n for <dev@dpdk.org>; Wed, 24 Aug 2022 18:23:01 +0200 (CEST)",
            "from fmsmga003.fm.intel.com ([10.253.24.29])\n by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 24 Aug 2022 09:21:48 -0700",
            "from silpixa00401122.ir.intel.com ([10.237.213.42])\n by FMSMGA003.fm.intel.com with ESMTP; 24 Aug 2022 09:21:47 -0700"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1661358182; x=1692894182;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=St85zqwH+XH5fSd+strM5zZo45ZgkFwDNIgH85nqXD4=;\n b=HsR5JEcEwWsojfgp9aTzUt3l/HYlpDkj50dQCeHuvLQ8wx/v6M59HmAV\n NqM50gTHjz/RmU2edixW0GXTI6SNxprIFMqEjxVKi1rMnn1v+OYRydOZT\n osZKPIGG3XzqhQpaZwRTQUvKj5Fe/OPikZNB9JESE/V9M4eNv1lWVEmAT\n tJEw9UxLVtmnQLgpvBzW89OUb0wpPkAGYnLyuN969wuxcQcSjlRAmEuf1\n doLZflpZnx3DT7ldYiwgjUyB0uOupRV+RwigzWsIifR1k7G/6Z7cgCLRB\n Jhgd4t1aElop+hyVhOUzrBqeLSl7EdKzmv2pAx3uFvRPMrbZ+pfirfxnU g==;",
        "X-IronPort-AV": [
            "E=McAfee;i=\"6500,9779,10449\"; a=\"292755974\"",
            "E=Sophos;i=\"5.93,260,1654585200\"; d=\"scan'208\";a=\"292755974\"",
            "E=Sophos;i=\"5.93,260,1654585200\"; d=\"scan'208\";a=\"699128482\""
        ],
        "X-ExtLoop1": "1",
        "From": "Kevin Laatz <kevin.laatz@intel.com>",
        "To": "dev@dpdk.org",
        "Cc": "anatoly.burakov@intel.com,\n\tKevin Laatz <kevin.laatz@intel.com>",
        "Subject": "[PATCH v2 0/3] Add lcore poll busyness telemetry",
        "Date": "Wed, 24 Aug 2022 17:24:39 +0100",
        "Message-Id": "<20220824162442.631456-1-kevin.laatz@intel.com>",
        "X-Mailer": "git-send-email 2.31.1",
        "In-Reply-To": "\n <24c49429394294cfbf0d9c506b205029bac77c8b.1657890378.git.anatoly.burakov@intel.com>",
        "References": "\n <24c49429394294cfbf0d9c506b205029bac77c8b.1657890378.git.anatoly.burakov@intel.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <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 <mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "Currently, there is no way to measure lcore busyness in a passive way,\nwithout any modifications to the application. This patchset adds a new EAL\nAPI that will be able to passively track core busyness. As part of the set,\nnew telemetry endpoints are added to read the generate metrics.\n\nAnatoly Burakov (2):\n  eal: add lcore poll busyness telemetry\n  eal: add cpuset lcore telemetry entries\n\nKevin Laatz (1):\n  doc: add howto guide for lcore poll busyness\n\n config/meson.build                          |   1 +\n config/rte_config.h                         |   1 +\n doc/guides/howto/lcore_busyness.rst         |  79 +++++\n lib/bbdev/rte_bbdev.h                       |  17 +-\n lib/compressdev/rte_compressdev.c           |   2 +\n lib/cryptodev/rte_cryptodev.h               |   2 +\n lib/distributor/rte_distributor.c           |  21 +-\n lib/distributor/rte_distributor_single.c    |  14 +-\n lib/dmadev/rte_dmadev.h                     |  15 +-\n lib/eal/common/eal_common_lcore_telemetry.c | 340 ++++++++++++++++++++\n lib/eal/common/meson.build                  |   1 +\n lib/eal/include/rte_lcore.h                 |  80 +++++\n lib/eal/meson.build                         |   3 +\n lib/eal/version.map                         |   7 +\n lib/ethdev/rte_ethdev.h                     |   2 +\n lib/eventdev/rte_eventdev.h                 |  10 +-\n lib/rawdev/rte_rawdev.c                     |   5 +-\n lib/regexdev/rte_regexdev.h                 |   5 +-\n lib/ring/rte_ring_elem_pvt.h                |   1 +\n meson_options.txt                           |   2 +\n 20 files changed, 584 insertions(+), 24 deletions(-)\n create mode 100644 doc/guides/howto/lcore_busyness.rst\n create mode 100644 lib/eal/common/eal_common_lcore_telemetry.c"
}