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GET /api/patches/809521/?format=api
{ "id": 809521, "url": "http://patchwork.ozlabs.org/api/patches/809521/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1504505688-32455-3-git-send-email-zhangchen.fnst@cn.fujitsu.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1504505688-32455-3-git-send-email-zhangchen.fnst@cn.fujitsu.com>", "list_archive_url": null, "date": "2017-09-04T06:14:47", "name": "[V5,2/3] net/colo-compare.c: Adjust net queue pop order for performance", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "47d3db2b0a8f000fb0e8fed4cf25317cae4682b7", "submitter": { "id": 67759, "url": "http://patchwork.ozlabs.org/api/people/67759/?format=api", "name": "Zhang Chen", "email": "zhangchen.fnst@cn.fujitsu.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1504505688-32455-3-git-send-email-zhangchen.fnst@cn.fujitsu.com/mbox/", "series": [ { "id": 1310, "url": "http://patchwork.ozlabs.org/api/series/1310/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=1310", "date": "2017-09-04T06:14:45", "name": "Optimize COLO-compare performance", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/1310/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/809521/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/809521/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xm00k4gTLz9s7c\n\tfor <incoming@patchwork.ozlabs.org>;\n\tMon, 4 Sep 2017 16:13:56 +1000 (AEST)", "from localhost ([::1]:34986 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dokdt-0005Wi-0E\n\tfor incoming@patchwork.ozlabs.org; Mon, 04 Sep 2017 02:13:53 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:37324)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <zhangchen.fnst@cn.fujitsu.com>) id 1dokdM-0005Vi-Ru\n\tfor qemu-devel@nongnu.org; Mon, 04 Sep 2017 02:13:21 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <zhangchen.fnst@cn.fujitsu.com>) id 1dokdJ-0002jl-Qo\n\tfor qemu-devel@nongnu.org; Mon, 04 Sep 2017 02:13:20 -0400", "from mail.cn.fujitsu.com ([183.91.158.132]:18989\n\thelo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <zhangchen.fnst@cn.fujitsu.com>) id 1dokdJ-0002hR-G5\n\tfor qemu-devel@nongnu.org; Mon, 04 Sep 2017 02:13:17 -0400", "from localhost (HELO cn.fujitsu.com) ([10.167.33.5])\n\tby heian.cn.fujitsu.com with ESMTP; 04 Sep 2017 14:13:13 +0800", "from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83])\n\tby cn.fujitsu.com (Postfix) with ESMTP id 8D1174725543;\n\tMon, 4 Sep 2017 14:13:08 +0800 (CST)", "from localhost.localdomain (10.167.226.56) by\n\tG08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP\n\tServer (TLS) id 14.3.361.1; Mon, 4 Sep 2017 14:13:13 +0800" ], "X-IronPort-AV": "E=Sophos;i=\"5.41,473,1498492800\"; d=\"scan'208\";a=\"25177677\"", "From": "Zhang Chen <zhangchen.fnst@cn.fujitsu.com>", "To": "qemu devel <qemu-devel@nongnu.org>, Jason Wang <jasowang@redhat.com>", "Date": "Mon, 4 Sep 2017 14:14:47 +0800", "Message-ID": "<1504505688-32455-3-git-send-email-zhangchen.fnst@cn.fujitsu.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1504505688-32455-1-git-send-email-zhangchen.fnst@cn.fujitsu.com>", "References": "<1504505688-32455-1-git-send-email-zhangchen.fnst@cn.fujitsu.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-Originating-IP": "[10.167.226.56]", "X-yoursite-MailScanner-ID": "8D1174725543.A9013", "X-yoursite-MailScanner": "Found to be clean", "X-yoursite-MailScanner-From": "zhangchen.fnst@cn.fujitsu.com", "X-detected-operating-system": "by eggs.gnu.org: Genre and OS details not\n\trecognized.", "X-Received-From": "183.91.158.132", "Subject": "[Qemu-devel] [PATCH V5 2/3] net/colo-compare.c: Adjust net queue\n\tpop order for performance", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "Li Zhijian <lizhijian@cn.fujitsu.com>,\n\tZhang Chen <zhangchen.fnst@cn.fujitsu.com>,\n\tZhang Chen <zhangckid@gmail.com>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "The packet_enqueue() use g_queue_push_tail() to\nenqueue net packet, so it is more efficent way use\ng_queue_pop_head() to get packet for compare.\nThat will improve the success rate of comparison.\nIn my test the performance of ftp put 1000M file\nwill increase 10%\n\nSigned-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>\n---\n net/colo-compare.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/net/colo-compare.c b/net/colo-compare.c\nindex 18a9ebf..8dd76e4 100644\n--- a/net/colo-compare.c\n+++ b/net/colo-compare.c\n@@ -484,7 +484,7 @@ static void colo_compare_connection(void *opaque, void *user_data)\n \n while (!g_queue_is_empty(&conn->primary_list) &&\n !g_queue_is_empty(&conn->secondary_list)) {\n- pkt = g_queue_pop_tail(&conn->primary_list);\n+ pkt = g_queue_pop_head(&conn->primary_list);\n switch (conn->ip_proto) {\n case IPPROTO_TCP:\n result = g_queue_find_custom(&conn->secondary_list,\n@@ -522,7 +522,7 @@ static void colo_compare_connection(void *opaque, void *user_data)\n * until next comparison.\n */\n trace_colo_compare_main(\"packet different\");\n- g_queue_push_tail(&conn->primary_list, pkt);\n+ g_queue_push_head(&conn->primary_list, pkt);\n /* TODO: colo_notify_checkpoint();*/\n break;\n }\n", "prefixes": [ "V5", "2/3" ] }