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GET /api/patches/69854/?format=api
{ "id": 69854, "url": "http://patches.dpdk.org/api/patches/69854/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20200506171642.32105-1-harry.van.haaren@intel.com/", "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": "<20200506171642.32105-1-harry.van.haaren@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20200506171642.32105-1-harry.van.haaren@intel.com", "date": "2020-05-06T17:16:42", "name": "[v2] test/service: add perf test for service on app lcore", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "6746f2fdaa6c919ea6e48a04050e20d16323a0bb", "submitter": { "id": 317, "url": "http://patches.dpdk.org/api/people/317/?format=api", "name": "Van Haaren, Harry", "email": "harry.van.haaren@intel.com" }, "delegate": { "id": 24651, "url": "http://patches.dpdk.org/api/users/24651/?format=api", "username": "dmarchand", "first_name": "David", "last_name": "Marchand", "email": "david.marchand@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20200506171642.32105-1-harry.van.haaren@intel.com/mbox/", "series": [ { "id": 9882, "url": "http://patches.dpdk.org/api/series/9882/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=9882", "date": "2020-05-06T17:16:42", "name": "[v2] test/service: add perf test for service on app lcore", "version": 2, "mbox": "http://patches.dpdk.org/series/9882/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/69854/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/69854/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 dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 47C34A034E;\n\tWed, 6 May 2020 19:15:53 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id A00EA1DA66;\n\tWed, 6 May 2020 19:15:49 +0200 (CEST)", "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n by dpdk.org (Postfix) with ESMTP id 6CC6A1DA4C\n for <dev@dpdk.org>; Wed, 6 May 2020 19:15:48 +0200 (CEST)", "from orsmga003.jf.intel.com ([10.7.209.27])\n by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 06 May 2020 10:15:47 -0700", "from silpixa00399779.ir.intel.com (HELO\n silpixa00399779.ger.corp.intel.com) ([10.237.222.209])\n by orsmga003.jf.intel.com with ESMTP; 06 May 2020 10:15:46 -0700" ], "IronPort-SDR": [ "\n lxrWmmYb8J85SbpBHewvHNxtvcAqqHkzmNr7F1uER7sz1SeFA12RLttELL8CcAwkxstVtGdY7n\n 5+NoGsGJoaiw==", "\n op0yaV5DpMRnNenlBGV1AlgvLJQ/ZTocqK9ZrfK2814usUAV7l4S31C1ABMFf3bOnuVh9ALpAE\n e8SfL4JvjsGQ==" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.73,360,1583222400\"; d=\"scan'208\";a=\"260172167\"", "From": "Harry van Haaren <harry.van.haaren@intel.com>", "To": "dev@dpdk.org", "Cc": "david.marchand@redhat.com, phil.yang@arm.com,\n honnappa.nagarahalli@arm.com,\n Harry van Haaren <harry.van.haaren@intel.com>", "Date": "Wed, 6 May 2020 18:16:42 +0100", "Message-Id": "<20200506171642.32105-1-harry.van.haaren@intel.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20200501155649.2959-1-harry.van.haaren@intel.com>", "References": "<20200501155649.2959-1-harry.van.haaren@intel.com>", "Subject": "[dpdk-dev] [PATCH v2] test/service: add perf test for service on\n\tapp lcore", "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 <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": "This commit adds a basic test to check the cycle cost\nof related to calling into a service.\n\nSigned-off-by: Harry van Haaren <harry.van.haaren@intel.com>\n\n---\n\nv2:\n- Add space at start of output (Phil Yang)\n- Fix compile error on older GCCs (David Marchand)\n\n---\n app/test/test_service_cores.c | 13 ++++++++++++-\n 1 file changed, 12 insertions(+), 1 deletion(-)", "diff": "diff --git a/app/test/test_service_cores.c b/app/test/test_service_cores.c\nindex a922c7ddc..75a3f8b45 100644\n--- a/app/test/test_service_cores.c\n+++ b/app/test/test_service_cores.c\n@@ -789,8 +789,19 @@ service_app_lcore_poll_impl(const int mt_safe)\n \t\t\t\t\"MT Unsafe: App core1 didn't return -EBUSY\");\n \t}\n \n-\tunregister_all();\n+\t/* Performance test: call in a loop, and measure tsc() */\n+\tuint32_t i;\n+\tconst uint32_t perf_iters = (1 << 12);\n+\tuint64_t start = rte_rdtsc();\n+\tfor (i = 0; i < perf_iters; i++) {\n+\t\tint err = service_run_on_app_core_func(&id);\n+\t\tTEST_ASSERT_EQUAL(0, err, \"perf test: returned run failure\");\n+\t}\n+\tuint64_t end = rte_rdtsc();\n+\tprintf(\"\\t\\tperf test for %s: %0.1f cycles per call\\n\", mt_safe ?\n+\t\t\"MT Safe\" : \"MT Unsafe\", (end - start)/(float)perf_iters);\n \n+\tunregister_all();\n \treturn TEST_SUCCESS;\n }\n \n", "prefixes": [ "v2" ] }