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GET /api/patches/96155/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 96155,
    "url": "http://patchwork.dpdk.org/api/patches/96155/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/f0962a6a37fec7be93162bdc4dc4990da72bc012.1626877580.git.anatoly.burakov@intel.com/",
    "project": {
        "id": 1,
        "url": "http://patchwork.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": "<f0962a6a37fec7be93162bdc4dc4990da72bc012.1626877580.git.anatoly.burakov@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/f0962a6a37fec7be93162bdc4dc4990da72bc012.1626877580.git.anatoly.burakov@intel.com",
    "date": "2021-07-21T14:26:25",
    "name": "[v1,1/1] power: fix multi-queue scale mode for pmd mgmt",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "66ffa85733b4a4750691530c3e43e17b8f85100c",
    "submitter": {
        "id": 4,
        "url": "http://patchwork.dpdk.org/api/people/4/?format=api",
        "name": "Anatoly Burakov",
        "email": "anatoly.burakov@intel.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/f0962a6a37fec7be93162bdc4dc4990da72bc012.1626877580.git.anatoly.burakov@intel.com/mbox/",
    "series": [
        {
            "id": 17937,
            "url": "http://patchwork.dpdk.org/api/series/17937/?format=api",
            "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=17937",
            "date": "2021-07-21T14:26:25",
            "name": "[v1,1/1] power: fix multi-queue scale mode for pmd mgmt",
            "version": 1,
            "mbox": "http://patchwork.dpdk.org/series/17937/mbox/"
        }
    ],
    "comments": "http://patchwork.dpdk.org/api/patches/96155/comments/",
    "check": "success",
    "checks": "http://patchwork.dpdk.org/api/patches/96155/checks/",
    "tags": {},
    "related": [],
    "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 4D7C1A0C51;\n\tWed, 21 Jul 2021 16:26:39 +0200 (CEST)",
            "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 1466E4014E;\n\tWed, 21 Jul 2021 16:26:39 +0200 (CEST)",
            "from mga06.intel.com (mga06.intel.com [134.134.136.31])\n by mails.dpdk.org (Postfix) with ESMTP id 434844014D\n for <dev@dpdk.org>; Wed, 21 Jul 2021 16:26:37 +0200 (CEST)",
            "from fmsmga002.fm.intel.com ([10.253.24.26])\n by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 21 Jul 2021 07:26:29 -0700",
            "from silpixa00399498.ir.intel.com (HELO\n silpixa00399498.ger.corp.intel.com) ([10.237.222.151])\n by fmsmga002.fm.intel.com with ESMTP; 21 Jul 2021 07:26:27 -0700"
        ],
        "X-IronPort-AV": [
            "E=McAfee;i=\"6200,9189,10052\"; a=\"272558494\"",
            "E=Sophos;i=\"5.84,258,1620716400\"; d=\"scan'208\";a=\"272558494\"",
            "E=Sophos;i=\"5.84,258,1620716400\"; d=\"scan'208\";a=\"511810583\""
        ],
        "X-ExtLoop1": "1",
        "From": "Anatoly Burakov <anatoly.burakov@intel.com>",
        "To": "dev@dpdk.org, David Hunt <david.hunt@intel.com>,\n Konstantin Ananyev <konstantin.ananyev@intel.com>",
        "Cc": "reshma.pattan@intel.com",
        "Date": "Wed, 21 Jul 2021 14:26:25 +0000",
        "Message-Id": "\n <f0962a6a37fec7be93162bdc4dc4990da72bc012.1626877580.git.anatoly.burakov@intel.com>",
        "X-Mailer": "git-send-email 2.25.1",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[dpdk-dev] [PATCH v1 1/1] power: fix multi-queue scale mode for pmd\n mgmt",
        "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",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Currently in scale mode, multi-queue initialization will attempt to\ninitialize and de-initialize the per-lcore power library structures\nmultiple times. Fix it to only do this whenever we either enabling\nfirst queue or disabling last queue.\n\nFixes: 5dff9a72b0ef (\"power: support callbacks for multiple Rx queues\")\n\nSigned-off-by: Anatoly Burakov <anatoly.burakov@intel.com>\n---\n lib/power/rte_power_pmd_mgmt.c | 19 +++++++++++++------\n 1 file changed, 13 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/lib/power/rte_power_pmd_mgmt.c b/lib/power/rte_power_pmd_mgmt.c\nindex 2586204b93..0ce40f0875 100644\n--- a/lib/power/rte_power_pmd_mgmt.c\n+++ b/lib/power/rte_power_pmd_mgmt.c\n@@ -534,11 +534,15 @@ rte_power_ethdev_pmgmt_queue_enable(unsigned int lcore_id, uint16_t port_id,\n \t\tclb = get_monitor_callback();\n \t\tbreak;\n \tcase RTE_POWER_MGMT_TYPE_SCALE:\n-\t\t/* check if we can add a new queue */\n-\t\tret = check_scale(lcore_id);\n-\t\tif (ret < 0)\n-\t\t\tgoto end;\n \t\tclb = clb_scale_freq;\n+\n+\t\t/* we only have to check this when enabling first queue */\n+\t\tif (lcore_cfg->pwr_mgmt_state != PMD_MGMT_DISABLED)\n+\t\t\tbreak;\n+\t\t/* check if we can add a new queue */\n+\t\tret = check_scale(lcore_id);\n+\t\tif (ret < 0)\n+\t\t\tgoto end;\n \t\tbreak;\n \tcase RTE_POWER_MGMT_TYPE_PAUSE:\n \t\t/* figure out various time-to-tsc conversions */\n@@ -633,9 +637,12 @@ rte_power_ethdev_pmgmt_queue_disable(unsigned int lcore_id,\n \t\trte_eth_remove_rx_callback(port_id, queue_id, queue_cfg->cb);\n \t\tbreak;\n \tcase RTE_POWER_MGMT_TYPE_SCALE:\n-\t\trte_power_freq_max(lcore_id);\n \t\trte_eth_remove_rx_callback(port_id, queue_id, queue_cfg->cb);\n-\t\trte_power_exit(lcore_id);\n+\t\t/* disable power library on this lcore if this was last queue */\n+\t\tif (lcore_cfg->pwr_mgmt_state == PMD_MGMT_DISABLED) {\n+\t\t\trte_power_freq_max(lcore_id);\n+\t\t\trte_power_exit(lcore_id);\n+\t\t}\n \t\tbreak;\n \t}\n \t/*\n",
    "prefixes": [
        "v1",
        "1/1"
    ]
}