get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/26266/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 26266,
    "url": "https://patches.dpdk.org/api/patches/26266/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20170703191402.3638-25-jerin.jacob@caviumnetworks.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": "<20170703191402.3638-25-jerin.jacob@caviumnetworks.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20170703191402.3638-25-jerin.jacob@caviumnetworks.com",
    "date": "2017-07-03T19:13:52",
    "name": "[dpdk-dev,v2,24/34] app/testeventdev: add perf queue test",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "3ac95a17c7f22e84b4387e90a252d1b0722271f0",
    "submitter": {
        "id": 305,
        "url": "https://patches.dpdk.org/api/people/305/?format=api",
        "name": "Jerin Jacob",
        "email": "jerin.jacob@caviumnetworks.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20170703191402.3638-25-jerin.jacob@caviumnetworks.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/26266/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/26266/checks/",
    "tags": {},
    "related": [],
    "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 [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 529427D23;\n\tMon,  3 Jul 2017 21:16:17 +0200 (CEST)",
            "from NAM02-BL2-obe.outbound.protection.outlook.com\n\t(mail-bl2nam02on0068.outbound.protection.outlook.com [104.47.38.68])\n\tby dpdk.org (Postfix) with ESMTP id 1C77C7CDE\n\tfor <dev@dpdk.org>; Mon,  3 Jul 2017 21:16:16 +0200 (CEST)",
            "from jerin.domain.name (111.93.218.67) by\n\tBLUPR0701MB1716.namprd07.prod.outlook.com (10.163.85.142) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id\n\t15.1.1220.11; Mon, 3 Jul 2017 19:16:11 +0000"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version;\n\tbh=apEWOoBu5GqE/dE9r6UOlLZT3PMqvoKLq3O/oEzZ0/Y=;\n\tb=OXdDipiFi6/kYWp9yPW/eEsjBIbospbJGMIrIAzSlgPuDtfLlB/f/puOL2yIPNEi9NoVKr07NPdf001YPzEyGhPsqipBa/musH2KE93DL2K5lxNOi2HM49He0fKOruGN8OFdi/FiEn/6ebrHBHqP5ZvkpZN4cqWx03sxWW2SJ3A=",
        "Authentication-Results": "dpdk.org; dkim=none (message not signed)\n\theader.d=none;dpdk.org; dmarc=none action=none\n\theader.from=caviumnetworks.com;",
        "From": "Jerin Jacob <jerin.jacob@caviumnetworks.com>",
        "To": "dev@dpdk.org",
        "Cc": "harry.van.haaren@intel.com, bruce.richardson@intel.com,\n\themant.agrawal@nxp.com, gage.eads@intel.com, nipun.gupta@nxp.com,\n\tnarender.vangati@intel.com, nikhil.rao@intel.com,\n\tgprathyusha@caviumnetworks.com,\n\tJerin Jacob <jerin.jacob@caviumnetworks.com>",
        "Date": "Tue,  4 Jul 2017 00:43:52 +0530",
        "Message-Id": "<20170703191402.3638-25-jerin.jacob@caviumnetworks.com>",
        "X-Mailer": "git-send-email 2.13.2",
        "In-Reply-To": "<20170703191402.3638-1-jerin.jacob@caviumnetworks.com>",
        "References": "<20170528195854.6064-1-jerin.jacob@caviumnetworks.com>\n\t<20170703191402.3638-1-jerin.jacob@caviumnetworks.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain",
        "X-Originating-IP": "[111.93.218.67]",
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        "Subject": "[dpdk-dev] [PATCH v2 24/34] app/testeventdev: add perf queue test",
        "X-BeenThere": "dev@dpdk.org",
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    },
    "content": "This is a performance test case that aims at testing the following:\n1. Measure the number of events can be processed in a second.\n2. Measure the latency to forward an event.\n\nThe perf queue test configures the eventdev with Q queues and P ports,\nwhere Q is nb_producers * nb_stages and P is nb_workers + nb_producers.\n\nThe user can choose the number of workers, the number of producers and\nnumber of stages through the --wlcores , --plcores and the --stlist\napplication command line arguments respectively.\n\nThe producer(s) injects the events to eventdev based the\nfirst stage sched type list requested by the user through --stlist\nthe command line argument.\n\nBased on the number of stages to process(selected through --stlist),\nthe application forwards the event to next upstream queue and\nterminates when it reaches the last stage in the pipeline.\nOn event termination, application increments the number events\nprocessed and print periodically in one second to get the\nnumber of events processed in one second.\n\nWhen --fwd_latency command line option selected, the application\ninserts the timestamp in the event on the first stage and then\non termination, it updates the number of cycles to forward\na packet. The application uses this value to compute the average\nlatency to a forward packet.\n\nExample command to run perf queue test:\nsudo build/app/dpdk-test-eventdev --vdev=event_sw0 -- --test=perf_queue\\\n--slcore=1 --plcores=2 --wlcore=3 --stlist=p --nb_pkts=1000000000\n\nSigned-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>\nAcked-by: Harry van Haaren <harry.van.haaren@intel.com>\n---\n app/test-eventdev/Makefile          |   1 +\n app/test-eventdev/test_perf_queue.c | 152 ++++++++++++++++++++++++++++++++++++\n 2 files changed, 153 insertions(+)\n create mode 100644 app/test-eventdev/test_perf_queue.c",
    "diff": "diff --git a/app/test-eventdev/Makefile b/app/test-eventdev/Makefile\nindex 242d3eeac..7fed73eaa 100644\n--- a/app/test-eventdev/Makefile\n+++ b/app/test-eventdev/Makefile\n@@ -48,5 +48,6 @@ SRCS-y += test_order_queue.c\n SRCS-y += test_order_atq.c\n \n SRCS-y += test_perf_common.c\n+SRCS-y += test_perf_queue.c\n \n include $(RTE_SDK)/mk/rte.app.mk\ndiff --git a/app/test-eventdev/test_perf_queue.c b/app/test-eventdev/test_perf_queue.c\nnew file mode 100644\nindex 000000000..1ac823109\n--- /dev/null\n+++ b/app/test-eventdev/test_perf_queue.c\n@@ -0,0 +1,152 @@\n+/*\n+ *   BSD LICENSE\n+ *\n+ *   Copyright (C) Cavium 2017.\n+ *\n+ *   Redistribution and use in source and binary forms, with or without\n+ *   modification, are permitted provided that the following conditions\n+ *   are met:\n+ *\n+ *     * Redistributions of source code must retain the above copyright\n+ *       notice, this list of conditions and the following disclaimer.\n+ *     * Redistributions in binary form must reproduce the above copyright\n+ *       notice, this list of conditions and the following disclaimer in\n+ *       the documentation and/or other materials provided with the\n+ *       distribution.\n+ *     * Neither the name of Cavium nor the names of its\n+ *       contributors may be used to endorse or promote products derived\n+ *       from this software without specific prior written permission.\n+ *\n+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n+ *   \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n+ */\n+\n+#include \"test_perf_common.h\"\n+\n+/* See http://dpdk.org/doc/guides/tools/testeventdev.html for test details */\n+\n+static inline int\n+perf_queue_nb_event_queues(struct evt_options *opt)\n+{\n+\t/* nb_queues = number of producers * number of stages */\n+\treturn evt_nr_active_lcores(opt->plcores) * opt->nb_stages;\n+}\n+\n+static int\n+perf_queue_eventdev_setup(struct evt_test *test, struct evt_options *opt)\n+{\n+\tuint8_t queue;\n+\tint nb_stages = opt->nb_stages;\n+\tint ret;\n+\n+\tconst struct rte_event_dev_config config = {\n+\t\t\t.nb_event_queues = perf_queue_nb_event_queues(opt),\n+\t\t\t.nb_event_ports = perf_nb_event_ports(opt),\n+\t\t\t.nb_events_limit  = 4096,\n+\t\t\t.nb_event_queue_flows = opt->nb_flows,\n+\t\t\t.nb_event_port_dequeue_depth = 128,\n+\t\t\t.nb_event_port_enqueue_depth = 128,\n+\t};\n+\n+\tret = rte_event_dev_configure(opt->dev_id, &config);\n+\tif (ret) {\n+\t\tevt_err(\"failed to configure eventdev %d\", opt->dev_id);\n+\t\treturn ret;\n+\t}\n+\n+\tstruct rte_event_queue_conf q_conf = {\n+\t\t\t.priority = RTE_EVENT_DEV_PRIORITY_NORMAL,\n+\t\t\t.nb_atomic_flows = opt->nb_flows,\n+\t\t\t.nb_atomic_order_sequences = opt->nb_flows,\n+\t};\n+\t/* queue configurations */\n+\tfor (queue = 0; queue < perf_queue_nb_event_queues(opt); queue++) {\n+\t\tq_conf.event_queue_cfg =  evt_sched_type2queue_cfg\n+\t\t\t\t(opt->sched_type_list[queue % nb_stages]);\n+\n+\t\tif (opt->q_priority) {\n+\t\t\tuint8_t stage_pos = queue % nb_stages;\n+\t\t\t/* Configure event queues(stage 0 to stage n) with\n+\t\t\t * RTE_EVENT_DEV_PRIORITY_LOWEST to\n+\t\t\t * RTE_EVENT_DEV_PRIORITY_HIGHEST.\n+\t\t\t */\n+\t\t\tuint8_t step = RTE_EVENT_DEV_PRIORITY_LOWEST /\n+\t\t\t\t\t(nb_stages - 1);\n+\t\t\t/* Higher prio for the queues closer to last stage */\n+\t\t\tq_conf.priority = RTE_EVENT_DEV_PRIORITY_LOWEST -\n+\t\t\t\t\t(step * stage_pos);\n+\t\t}\n+\t\tret = rte_event_queue_setup(opt->dev_id, queue, &q_conf);\n+\t\tif (ret) {\n+\t\t\tevt_err(\"failed to setup queue=%d\", queue);\n+\t\t\treturn ret;\n+\t\t}\n+\t}\n+\n+\tret = perf_event_dev_port_setup(test, opt, nb_stages /* stride */,\n+\t\t\t\t\tperf_queue_nb_event_queues(opt));\n+\tif (ret)\n+\t\treturn ret;\n+\n+\tret = rte_event_dev_start(opt->dev_id);\n+\tif (ret) {\n+\t\tevt_err(\"failed to start eventdev %d\", opt->dev_id);\n+\t\treturn ret;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static void\n+perf_queue_opt_dump(struct evt_options *opt)\n+{\n+\tevt_dump_fwd_latency(opt);\n+\tperf_opt_dump(opt, perf_queue_nb_event_queues(opt));\n+}\n+\n+static int\n+perf_queue_opt_check(struct evt_options *opt)\n+{\n+\treturn perf_opt_check(opt, perf_queue_nb_event_queues(opt));\n+}\n+\n+static bool\n+perf_queue_capability_check(struct evt_options *opt)\n+{\n+\tstruct rte_event_dev_info dev_info;\n+\n+\trte_event_dev_info_get(opt->dev_id, &dev_info);\n+\tif (dev_info.max_event_queues < perf_queue_nb_event_queues(opt) ||\n+\t\t\tdev_info.max_event_ports < perf_nb_event_ports(opt)) {\n+\t\tevt_err(\"not enough eventdev queues=%d/%d or ports=%d/%d\",\n+\t\t\tperf_queue_nb_event_queues(opt),\n+\t\t\tdev_info.max_event_queues,\n+\t\t\tperf_nb_event_ports(opt), dev_info.max_event_ports);\n+\t}\n+\n+\treturn true;\n+}\n+\n+static const struct evt_test_ops perf_queue =  {\n+\t.cap_check          = perf_queue_capability_check,\n+\t.opt_check          = perf_queue_opt_check,\n+\t.opt_dump           = perf_queue_opt_dump,\n+\t.test_setup         = perf_test_setup,\n+\t.mempool_setup      = perf_mempool_setup,\n+\t.eventdev_setup     = perf_queue_eventdev_setup,\n+\t.eventdev_destroy   = perf_eventdev_destroy,\n+\t.mempool_destroy    = perf_mempool_destroy,\n+\t.test_result        = perf_test_result,\n+\t.test_destroy       = perf_test_destroy,\n+};\n+\n+EVT_TEST_REGISTER(perf_queue);\n",
    "prefixes": [
        "dpdk-dev",
        "v2",
        "24/34"
    ]
}