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GET /api/patches/45005/?format=api
http://patches.dpdk.org/api/patches/45005/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1537442655-99749-1-git-send-email-longtb5@viettel.com.vn/", "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": "<1537442655-99749-1-git-send-email-longtb5@viettel.com.vn>", "list_archive_url": "https://inbox.dpdk.org/dev/1537442655-99749-1-git-send-email-longtb5@viettel.com.vn", "date": "2018-09-20T11:16:33", "name": "[v2] latency: clear mbuf timestamp after latency calculation", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "83114cf5b4905cc10e7d14b227a1658aa4d8672d", "submitter": { "id": 968, "url": "http://patches.dpdk.org/api/people/968/?format=api", "name": null, "email": "longtb5@viettel.com.vn" }, "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/1537442655-99749-1-git-send-email-longtb5@viettel.com.vn/mbox/", "series": [ { "id": 1412, "url": "http://patches.dpdk.org/api/series/1412/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1412", "date": "2018-09-20T11:16:33", "name": "[v2] latency: clear mbuf timestamp after latency calculation", "version": 2, "mbox": "http://patches.dpdk.org/series/1412/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/45005/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/45005/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 21512326C;\n\tThu, 20 Sep 2018 13:16:45 +0200 (CEST)", "from mailfilter01.viettel.com.vn (mailfilter01.viettel.com.vn\n\t[125.235.240.53]) by dpdk.org (Postfix) with ESMTP id 7A4B3262E;\n\tThu, 20 Sep 2018 13:16:42 +0200 (CEST)", "from 125.235.240.44.adsl.viettel.vn (HELO mta1.viettel.com.vn)\n\t([125.235.240.44])\n\tby mailfilter01.viettel.com.vn with ESMTP; 20 Sep 2018 18:16:40 +0700", "from localhost (localhost [127.0.0.1])\n\tby mta1.viettel.com.vn (Postfix) with ESMTP id DBD9A60F388;\n\tThu, 20 Sep 2018 18:16:33 +0700 (ICT)", "from mta1.viettel.com.vn ([127.0.0.1])\n\tby localhost (mta1.viettel.com.vn [127.0.0.1]) (amavisd-new,\n\tport 10032)\n\twith ESMTP id g03O6SDbPVNT; Thu, 20 Sep 2018 18:16:33 +0700 (ICT)", "from localhost (localhost [127.0.0.1])\n\tby mta1.viettel.com.vn (Postfix) with ESMTP id B9FEB60F2FD;\n\tThu, 20 Sep 2018 18:16:33 +0700 (ICT)", "from mta1.viettel.com.vn ([127.0.0.1])\n\tby localhost (mta1.viettel.com.vn [127.0.0.1]) (amavisd-new,\n\tport 10026)\n\twith ESMTP id e8qwYjuVsnw4; Thu, 20 Sep 2018 18:16:33 +0700 (ICT)", "from localhost.localdomain (unknown [27.68.241.28])\n\tby mta1.viettel.com.vn (Postfix) with ESMTPSA id 6DE1760F389;\n\tThu, 20 Sep 2018 18:16:33 +0700 (ICT)" ], "X-IronPort-AV": "E=Sophos;i=\"5.53,398,1531760400\"; d=\"scan'208\";a=\"94209971\"", "X-Virus-Scanned": "amavisd-new at ", "To": "reshma.pattan@intel.com", "Cc": "dev@dpdk.org,\n\tBao-Long Tran <longtb5@viettel.com.vn>,\n\tstable@dpdk.org", "Message-Id": "<1537442655-99749-1-git-send-email-longtb5@viettel.com.vn>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1537345834-70456-1-git-send-email-longtb5@viettel.com.vn>", "References": "<1537345834-70456-1-git-send-email-longtb5@viettel.com.vn>", "MilterAction": "FORWARD", "Date": "Thu, 20 Sep 2018 18:16:33 +0700 (ICT)", "From": "longtb5@viettel.com.vn", "Subject": "[dpdk-dev] [PATCH v2] latency: clear mbuf timestamp after latency\n\tcalculation", "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\t<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\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "The timestamp of a mbuf should be cleared after that mbuf was used for\nlatency calculation, otherwise future packets which reuse the same mbuf\nwould inherit that previous timestamp. The latencystats library looks\nfor mbuf with non-zero timestamp, thus incorrectly inherited value would\nresult in incorrect latency measurement.\n\nFixes: 5cd3cac9ed (\"latency: added new library for latency stats\").\nCc: stable@dpdk.org\n\nSigned-off-by: Bao-Long Tran <longtb5@viettel.com.vn>\nAcked-by: Reshma Pattan <reshma.pattan@intel.com>\n---\n lib/librte_latencystats/rte_latencystats.c | 4 +++-\n 1 file changed, 3 insertions(+), 1 deletion(-)", "diff": "diff --git a/lib/librte_latencystats/rte_latencystats.c b/lib/librte_latencystats/rte_latencystats.c\nindex 1fdec68..2d5384e 100644\n--- a/lib/librte_latencystats/rte_latencystats.c\n+++ b/lib/librte_latencystats/rte_latencystats.c\n@@ -156,8 +156,10 @@ calc_latency(uint16_t pid __rte_unused,\n \n \tnow = rte_rdtsc();\n \tfor (i = 0; i < nb_pkts; i++) {\n-\t\tif (pkts[i]->timestamp)\n+\t\tif (pkts[i]->timestamp) {\n \t\t\tlatency[cnt++] = now - pkts[i]->timestamp;\n+\t\t\tpkts[i]->timestamp = 0;\n+\t\t}\n \t}\n \n \tfor (i = 0; i < cnt; i++) {\n", "prefixes": [ "v2" ] }{ "id": 45005, "url": "