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{
    "id": 108588,
    "url": "http://patchwork.dpdk.org/api/patches/108588/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20220307223946.578201-1-honnappa.nagarahalli@arm.com/",
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    "msgid": "<20220307223946.578201-1-honnappa.nagarahalli@arm.com>",
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    "date": "2022-03-07T22:39:46",
    "name": "examples/distributor: one Tx queue is enough",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "bd638d898c346e72009960532b3a1055c9c9f0c6",
    "submitter": {
        "id": 1045,
        "url": "http://patchwork.dpdk.org/api/people/1045/?format=api",
        "name": "Honnappa Nagarahalli",
        "email": "honnappa.nagarahalli@arm.com"
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        "url": "http://patchwork.dpdk.org/api/users/1/?format=api",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
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    "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20220307223946.578201-1-honnappa.nagarahalli@arm.com/mbox/",
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            "url": "http://patchwork.dpdk.org/api/series/22061/?format=api",
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            "date": "2022-03-07T22:39:46",
            "name": "examples/distributor: one Tx queue is enough",
            "version": 1,
            "mbox": "http://patchwork.dpdk.org/series/22061/mbox/"
        }
    ],
    "comments": "http://patchwork.dpdk.org/api/patches/108588/comments/",
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    "checks": "http://patchwork.dpdk.org/api/patches/108588/checks/",
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    "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 6A249A0093;\n\tMon,  7 Mar 2022 23:39:56 +0100 (CET)",
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            "from foss.arm.com (foss.arm.com [217.140.110.172])\n by mails.dpdk.org (Postfix) with ESMTP id 9C58F4122E;\n Mon,  7 Mar 2022 23:39:54 +0100 (CET)",
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        ],
        "From": "Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>",
        "To": "dev@dpdk.org, honnappa.nagarahalli@arm.com, lijuan.tu@intel.com,\n juraj.linkes@pantheon.tech, ohilyard@iol.unh.edu,\n david.marchand@redhat.com, thomas@monjalon.net, david.hunt@intel.com",
        "Cc": "ruifeng.wang@arm.com, nd@arm.com, bruce.richardson@intel.com,\n reshma.pattan@intel.com, stable@dpdk.org",
        "Subject": "[PATCH] examples/distributor: one Tx queue is enough",
        "Date": "Mon,  7 Mar 2022 22:39:46 +0000",
        "Message-Id": "<20220307223946.578201-1-honnappa.nagarahalli@arm.com>",
        "X-Mailer": "git-send-email 2.25.1",
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        "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/>",
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        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "Distributor application creates one Tx queue per core. However\nthe transmit is done only from a single core. Hence creating\none Tx queue is enough.\n\nFixes: 07db4a975094 (\"examples/distributor: new sample app\")\nCc: bruce.richardson@intel.com\nCc: reshma.pattan@intel.com\nCc: stable@dpdk.org\n\nSigned-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>\nReviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>\n---\nDTS test cases make this change to DPDK. However, I find that, one\nqueue is enough. Hence we could make this change in DPDK.\n\n examples/distributor/main.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/examples/distributor/main.c b/examples/distributor/main.c\nindex c681e237ea..02bf91f555 100644\n--- a/examples/distributor/main.c\n+++ b/examples/distributor/main.c\n@@ -108,7 +108,7 @@ static inline int\n port_init(uint16_t port, struct rte_mempool *mbuf_pool)\n {\n \tstruct rte_eth_conf port_conf = port_conf_default;\n-\tconst uint16_t rxRings = 1, txRings = rte_lcore_count() - 1;\n+\tconst uint16_t rxRings = 1, txRings = 1;\n \tint retval;\n \tuint16_t q;\n \tuint16_t nb_rxd = RX_RING_SIZE;\n",
    "prefixes": []
}