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GET /api/patches/758156/?format=api
{ "id": 758156, "url": "http://patchwork.ozlabs.org/api/patches/758156/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20170503172904.9788-11-jacob.e.keller@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170503172904.9788-11-jacob.e.keller@intel.com>", "list_archive_url": null, "date": "2017-05-03T17:28:59", "name": "[v4,10/15] igb: add statistic indicating number of skipped Tx timestamps", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "20b3d6bb0484168f8ed2e9ee9d01bb9269705d86", "submitter": { "id": 9784, "url": "http://patchwork.ozlabs.org/api/people/9784/?format=api", "name": "Jacob Keller", "email": "jacob.e.keller@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20170503172904.9788-11-jacob.e.keller@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/758156/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/758156/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3wJ4sC6nKqz9rxw\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 4 May 2017 03:29:19 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id EBD5E89AAD;\n\tWed, 3 May 2017 17:29:17 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id UuF-AKW8ysYv; Wed, 3 May 2017 17:29:17 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 9B4E189AC4;\n\tWed, 3 May 2017 17:29:16 +0000 (UTC)", "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\tby ash.osuosl.org (Postfix) with ESMTP id 239C91C2B9B\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 3 May 2017 17:29:14 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby whitealder.osuosl.org (Postfix) with ESMTP id 243CC88138\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 3 May 2017 17:29:14 +0000 (UTC)", "from whitealder.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id slaAu1e6NdFG for <intel-wired-lan@lists.osuosl.org>;\n\tWed, 3 May 2017 17:29:13 +0000 (UTC)", "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby whitealder.osuosl.org (Postfix) with ESMTPS id AA702884E8\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tWed, 3 May 2017 17:29:13 +0000 (UTC)", "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t03 May 2017 10:29:12 -0700", "from jekeller-desk.amr.corp.intel.com (HELO\n\tjekeller-desk.jekeller.internal) ([10.166.35.158])\n\tby orsmga002.jf.intel.com with ESMTP; 03 May 2017 10:29:12 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.38,284,1491289200\"; d=\"scan'208\";a=\"82071027\"", "From": "Jacob Keller <jacob.e.keller@intel.com>", "To": "Intel Wired LAN <intel-wired-lan@lists.osuosl.org>", "Date": "Wed, 3 May 2017 10:28:59 -0700", "Message-Id": "<20170503172904.9788-11-jacob.e.keller@intel.com>", "X-Mailer": "git-send-email 2.13.0.rc0.317.gcc792a6cad5a", "In-Reply-To": "<20170503172904.9788-1-jacob.e.keller@intel.com>", "References": "<20170503172904.9788-1-jacob.e.keller@intel.com>", "Cc": "Richard Cochran <richardcochran@gmail.com>", "Subject": "[Intel-wired-lan] [PATCH v4 10/15] igb: add statistic indicating\n\tnumber of skipped Tx timestamps", "X-BeenThere": "intel-wired-lan@lists.osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "The igb driver can only handle one Tx timestamp request at a time.\nThis means it is possible for an application timestamp request to be\nignored.\n\nThere is no easy way for an administrator to determine if this occurred.\nAdd a new statistic which tracks this, tx_hwtstamp_skipped.\n\nSigned-off-by: Jacob Keller <jacob.e.keller@intel.com>\n---\n drivers/net/ethernet/intel/igb/igb.h | 1 +\n drivers/net/ethernet/intel/igb/igb_ethtool.c | 1 +\n drivers/net/ethernet/intel/igb/igb_main.c | 2 ++\n 3 files changed, 4 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h\nindex bf9bf9056d0c..be35edcf6b08 100644\n--- a/drivers/net/ethernet/intel/igb/igb.h\n+++ b/drivers/net/ethernet/intel/igb/igb.h\n@@ -563,6 +563,7 @@ struct igb_adapter {\n \tstruct cyclecounter cc;\n \tstruct timecounter tc;\n \tu32 tx_hwtstamp_timeouts;\n+\tu32 tx_hwtstamp_skipped;\n \tu32 rx_hwtstamp_cleared;\n \tbool pps_sys_wrap_on;\n \ndiff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c\nindex 0efb62db6efd..8730f7cbce68 100644\n--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c\n+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c\n@@ -90,6 +90,7 @@ static const struct igb_stats igb_gstrings_stats[] = {\n \tIGB_STAT(\"os2bmc_tx_by_host\", stats.o2bspc),\n \tIGB_STAT(\"os2bmc_rx_by_host\", stats.b2ogprc),\n \tIGB_STAT(\"tx_hwtstamp_timeouts\", tx_hwtstamp_timeouts),\n+\tIGB_STAT(\"tx_hwtstamp_skipped\", tx_hwtstamp_skipped),\n \tIGB_STAT(\"rx_hwtstamp_cleared\", rx_hwtstamp_cleared),\n };\n \ndiff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c\nindex 978908f426a7..21b455bfb4ca 100644\n--- a/drivers/net/ethernet/intel/igb/igb_main.c\n+++ b/drivers/net/ethernet/intel/igb/igb_main.c\n@@ -5392,6 +5392,8 @@ netdev_tx_t igb_xmit_frame_ring(struct sk_buff *skb,\n \t\t\tadapter->ptp_tx_start = jiffies;\n \t\t\tif (adapter->hw.mac.type == e1000_82576)\n \t\t\t\tschedule_work(&adapter->ptp_tx_work);\n+\t\t} else {\n+\t\t\tadapter->tx_hwtstamp_skipped++;\n \t\t}\n \t}\n \n", "prefixes": [ "v4", "10/15" ] }