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GET /api/patches/41106/?format=api
{ "id": 41106, "url": "https://patches.dpdk.org/api/patches/41106/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1528971477-14156-12-git-send-email-anoob.joseph@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": "<1528971477-14156-12-git-send-email-anoob.joseph@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1528971477-14156-12-git-send-email-anoob.joseph@caviumnetworks.com", "date": "2018-06-14T10:17:53", "name": "[v1,11/15] examples/l2fwd: move periodic tasks to new function", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "154f72648433e5c8865987ae4dfb1d6f44d40c36", "submitter": { "id": 893, "url": "https://patches.dpdk.org/api/people/893/?format=api", "name": "Anoob Joseph", "email": "anoob.joseph@caviumnetworks.com" }, "delegate": { "id": 1, "url": "https://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1528971477-14156-12-git-send-email-anoob.joseph@caviumnetworks.com/mbox/", "series": [ { "id": 121, "url": "https://patches.dpdk.org/api/series/121/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=121", "date": "2018-06-14T10:17:42", "name": "preparing l2fwd for eventmode additions", "version": 1, "mbox": "https://patches.dpdk.org/series/121/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/41106/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/41106/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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id C823A1BAF5;\n\tThu, 14 Jun 2018 12:19:26 +0200 (CEST)", "from NAM04-CO1-obe.outbound.protection.outlook.com\n\t(mail-eopbgr690073.outbound.protection.outlook.com [40.107.69.73])\n\tby dpdk.org (Postfix) with ESMTP id 7433D1EA25\n\tfor <dev@dpdk.org>; Thu, 14 Jun 2018 12:19:24 +0200 (CEST)", "from ajoseph83.caveonetworks.com.caveonetworks.com (115.113.156.2)\n\tby BYAPR07MB4902.namprd07.prod.outlook.com (2603:10b6:a02:ef::25)\n\twith Microsoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.841.19;\n\tThu, 14 Jun 2018 10:19:20 +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:X-MS-Exchange-SenderADCheck;\n\tbh=sYsLFLpU7e23bwaUoXa0pcj75F/xkVKL4feXj2JmHmE=;\n\tb=CBPcw4csIBfDFC04lKQhJiCf7l1R651JXb3kEXHQBPT8CVZQiBZ8r5XL0RO65Mb5Pde2oIlR43ZAWQvagSbYhZEF9jF4RbPuvXIjoFw5EFYm/c16uzYtqKoQ7mJHfRsGf74W2xeq2o0OfxVRAZGTHTHbMzmUieDOh1oJ9M8p/PA=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Anoob.Joseph@cavium.com; ", "From": "Anoob Joseph <anoob.joseph@caviumnetworks.com>", "To": "Bruce Richardson <bruce.richardson@intel.com>,\n\tPablo de Lara <pablo.de.lara.guarch@intel.com>", "Cc": "Anoob Joseph <anoob.joseph@caviumnetworks.com>,\n\tJerin Jacob <jerin.jacob@caviumnetworks.com>,\n\tNarayana Prasad <narayanaprasad.athreya@caviumnetworks.com>, dev@dpdk.org", "Date": "Thu, 14 Jun 2018 15:47:53 +0530", "Message-Id": "<1528971477-14156-12-git-send-email-anoob.joseph@caviumnetworks.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": 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"X-Forefront-PRVS": "0703B549E4", "X-Forefront-Antispam-Report": "SFV:NSPM;\n\tSFS:(10009020)(346002)(39860400002)(39380400002)(376002)(396003)(366004)(189003)(199004)(316002)(6666003)(110136005)(68736007)(2906002)(66066001)(54906003)(47776003)(6512007)(5660300001)(50466002)(72206003)(48376002)(97736004)(6116002)(3846002)(53936002)(16586007)(105586002)(478600001)(6486002)(106356001)(6506007)(575784001)(36756003)(11346002)(956004)(25786009)(4326008)(50226002)(16526019)(186003)(81156014)(486006)(81166006)(8676002)(7736002)(26005)(8936002)(2616005)(476003)(386003)(44832011)(55236004)(52116002)(42882007)(51416003)(76176011)(446003)(305945005);\n\tDIR:OUT; SFP:1101; SCL:1; SRVR:BYAPR07MB4902;\n\tH:ajoseph83.caveonetworks.com.caveonetworks.com; FPR:; SPF:None;\n\tLANG:en; PTR:InfoNoRecords; MX:1; A:1; ", "Received-SPF": "None (protection.outlook.com: cavium.com does not designate\n\tpermitted sender hosts)", "X-Microsoft-Antispam-Message-Info": "y21DYCWcJ7rWKz67ug6bRq9meKjJrNxS/4rqvjGmoqy9X8UqNWKke+Jdk9Lo+vQVCbXqLWsLtVzBCevsT/suV2i0L6CD+4sgVCOwARJIcFSe1M+y3iubMv04YkYHZgeXLiCDTk2K5dTO6FjSV4J0Qnnfzhws1dBJvNrZzBPpbkWfXHQ3WSvo6Z6AIa7qTKGz", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "14 Jun 2018 10:19:20.4934\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "b2a2746e-0123-4ada-206e-08d5d1e04c72", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BYAPR07MB4902", "Subject": "[dpdk-dev] [PATCH v1 11/15] examples/l2fwd: move periodic tasks to\n\tnew function", "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://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "v1:\n* Replaced 'unsigned' with 'unsigned int'\n\nMove the periodic operations (stats flush and drain buffers) to a new\nfunction.\n\nSigned-off-by: Anoob Joseph <anoob.joseph@caviumnetworks.com>\n---\n examples/l2fwd/l2fwd_worker.c | 83 ++++++++++++++++++++++++-------------------\n examples/l2fwd/l2fwd_worker.h | 6 ++++\n 2 files changed, 52 insertions(+), 37 deletions(-)", "diff": "diff --git a/examples/l2fwd/l2fwd_worker.c b/examples/l2fwd/l2fwd_worker.c\nindex f847832..868d0c6 100644\n--- a/examples/l2fwd/l2fwd_worker.c\n+++ b/examples/l2fwd/l2fwd_worker.c\n@@ -94,6 +94,45 @@ l2fwd_drain_buffers(struct lcore_queue_conf *qconf)\n \t}\n }\n \n+static inline void\n+l2fwd_periodic_drain_stats_monitor(struct lcore_queue_conf *qconf,\n+\t\tstruct tsc_tracker *t, int is_master_core)\n+{\n+\tuint64_t diff_tsc, cur_tsc;\n+\n+\tcur_tsc = rte_rdtsc();\n+\n+\t/*\n+\t * TX burst queue drain\n+\t */\n+\tdiff_tsc = cur_tsc - t->prev_tsc;\n+\tif (unlikely(diff_tsc > t->drain_tsc)) {\n+\n+\t\t/* Drain buffers */\n+\t\tl2fwd_drain_buffers(qconf);\n+\n+\t\t/* if timer is enabled */\n+\t\tif (timer_period > 0) {\n+\n+\t\t\t/* advance the timer */\n+\t\t\tt->timer_tsc += diff_tsc;\n+\n+\t\t\t/* if timer has reached its timeout */\n+\t\t\tif (unlikely(t->timer_tsc >= timer_period)) {\n+\n+\t\t\t\t/* do this only on master core */\n+\t\t\t\tif (is_master_core) {\n+\t\t\t\t\tprint_stats();\n+\t\t\t\t\t/* reset the timer */\n+\t\t\t\t\tt->timer_tsc = 0;\n+\t\t\t\t}\n+\t\t\t}\n+\t\t}\n+\n+\t\tt->prev_tsc = cur_tsc;\n+\t}\n+}\n+\n static void\n l2fwd_mac_updating(struct rte_mbuf *m, unsigned int dest_portid)\n {\n@@ -135,19 +174,18 @@ l2fwd_main_loop(void)\n \tstruct rte_mbuf *pkts_burst[MAX_PKT_BURST];\n \tstruct rte_mbuf *m;\n \tunsigned int lcore_id;\n-\tuint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;\n \tunsigned int i, j, portid, nb_rx;\n \tstruct lcore_queue_conf *qconf;\n-\tconst uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)\n-\t\t\t/ US_PER_S * BURST_TX_DRAIN_US;\n \tint is_master_core;\n-\n-\tprev_tsc = 0;\n-\ttimer_tsc = 0;\n+\tstruct tsc_tracker tsc = {0};\n \n \tlcore_id = rte_lcore_id();\n \tqconf = &lcore_queue_conf[lcore_id];\n \n+\t/* Set drain tsc */\n+\ttsc.drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /\n+\t\t\tUS_PER_S * BURST_TX_DRAIN_US;\n+\n \tif (qconf->n_rx_port == 0) {\n \t\tRTE_LOG(INFO, L2FWD, \"lcore %u has nothing to do\\n\", lcore_id);\n \t\treturn;\n@@ -167,37 +205,8 @@ l2fwd_main_loop(void)\n \n \twhile (!force_quit) {\n \n-\t\tcur_tsc = rte_rdtsc();\n-\n-\t\t/*\n-\t\t * TX burst queue drain\n-\t\t */\n-\t\tdiff_tsc = cur_tsc - prev_tsc;\n-\t\tif (unlikely(diff_tsc > drain_tsc)) {\n-\n-\t\t\t/* Drain buffers */\n-\t\t\tl2fwd_drain_buffers(qconf);\n-\n-\t\t\t/* if timer is enabled */\n-\t\t\tif (timer_period > 0) {\n-\n-\t\t\t\t/* advance the timer */\n-\t\t\t\ttimer_tsc += diff_tsc;\n-\n-\t\t\t\t/* if timer has reached its timeout */\n-\t\t\t\tif (unlikely(timer_tsc >= timer_period)) {\n-\n-\t\t\t\t\t/* do this only on master core */\n-\t\t\t\t\tif (is_master_core) {\n-\t\t\t\t\t\tprint_stats();\n-\t\t\t\t\t\t/* reset the timer */\n-\t\t\t\t\t\ttimer_tsc = 0;\n-\t\t\t\t\t}\n-\t\t\t\t}\n-\t\t\t}\n-\n-\t\t\tprev_tsc = cur_tsc;\n-\t\t}\n+\t\t/* Do periodic operations (buffer drain & stats monitor) */\n+\t\tl2fwd_periodic_drain_stats_monitor(qconf, &tsc, is_master_core);\n \n \t\t/*\n \t\t * Read packet from RX queues\ndiff --git a/examples/l2fwd/l2fwd_worker.h b/examples/l2fwd/l2fwd_worker.h\nindex 8971a6a..65650aa 100644\n--- a/examples/l2fwd/l2fwd_worker.h\n+++ b/examples/l2fwd/l2fwd_worker.h\n@@ -4,6 +4,12 @@\n #ifndef _L2FWD_WORKER_H_\n #define _L2FWD_WORKER_H_\n \n+struct tsc_tracker {\n+\tuint64_t prev_tsc;\n+\tuint64_t timer_tsc;\n+\tuint64_t drain_tsc;\n+};\n+\n int\n l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy);\n \n", "prefixes": [ "v1", "11/15" ] }