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GET /api/patches/41133/?format=api
{ "id": 41133, "url": "http://patches.dpdk.org/api/patches/41133/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1528976946-14396-12-git-send-email-anoob.joseph@caviumnetworks.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": "<1528976946-14396-12-git-send-email-anoob.joseph@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1528976946-14396-12-git-send-email-anoob.joseph@caviumnetworks.com", "date": "2018-06-14T11:49:02", "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"[v1,11/15] examples/l2fwd: move periodic tasks to new function", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "154f72648433e5c8865987ae4dfb1d6f44d40c36", "submitter": { "id": 893, "url": "http://patches.dpdk.org/api/people/893/?format=api", "name": "Anoob Joseph", "email": "anoob.joseph@caviumnetworks.com" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1528976946-14396-12-git-send-email-anoob.joseph@caviumnetworks.com/mbox/", "series": [ { "id": 126, "url": "http://patches.dpdk.org/api/series/126/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=126", "date": "2018-06-14T11:48:52", "name": "[v1,01/15] examples/l2fwd: add new header to move common code", "version": 1, "mbox": "http://patches.dpdk.org/series/126/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/41133/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/41133/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 1A79A1E487;\n\tThu, 14 Jun 2018 13:50:31 +0200 (CEST)", "from NAM02-SN1-obe.outbound.protection.outlook.com\n\t(mail-sn1nam02on0079.outbound.protection.outlook.com [104.47.36.79])\n\tby dpdk.org (Postfix) with ESMTP id 7230B1E41E\n\tfor <dev@dpdk.org>; Thu, 14 Jun 2018 13:50:23 +0200 (CEST)", "from ajoseph83.caveonetworks.com.caveonetworks.com (115.113.156.2)\n\tby BN7PR07MB4898.namprd07.prod.outlook.com (2603:10b6:406:ef::27)\n\twith Microsoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.863.16;\n\tThu, 14 Jun 2018 11:50:20 +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=3ujizhMt6BxMDVk4rYl+UlWbWEJJgM1y/CxQz4wXMV8=;\n\tb=g9sGu1gmX2wsHJiPcab1+2DhE4v3JvEF/xc9nnPXFkk5t2XaxIT81E4qyCAdyYARATDeymLM1UtGRS+ErsuiD/CKF8Hnk5m1N6RtZvpVUHOcfHI4t8I8ARNeu3fjvM5UgURFPlM7NMLqDlbnbhGnZM5+4nwkxEiE0Cmgva9CSCg=", "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 17:19:02 +0530", "Message-Id": "<1528976946-14396-12-git-send-email-anoob.joseph@caviumnetworks.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": 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"LOTH/9jOUOKq/UFSqn//uuXSvPtaXi2VNhMpFRgdORvlrG1y6s5Hq5fN17CttMYGBId2FfljmSP4pYlTm8ANLqOqPNY0Ia29z6rYogHsPpQqEgzLT7l7YbDQlQ6X4YNBvQgqxaZFMtlNOSWjw35N6sK7HKZCdwBRP1OSq8EIKv/pIKwFOgGVKTcxif/XVtgZ", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "14 Jun 2018 11:50:20.7670\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "d644f60b-64f8-49a7-3746-08d5d1ed02ab", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BN7PR07MB4898", "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": "Move the periodic operations (stats flush and drain buffers) to a new\nfunction.\n\nSigned-off-by: Anoob Joseph <anoob.joseph@caviumnetworks.com>\n---\nv1:\n* Replaced 'unsigned' with 'unsigned int'\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" ] }