From patchwork Tue Jul 27 13:14:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tonghao Zhang X-Patchwork-Id: 487382 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F8E6C4338F for ; Tue, 27 Jul 2021 13:15:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3749E61A2C for ; Tue, 27 Jul 2021 13:15:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236577AbhG0NPS (ORCPT ); Tue, 27 Jul 2021 09:15:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232123AbhG0NPR (ORCPT ); Tue, 27 Jul 2021 09:15:17 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC1F6C061757 for ; Tue, 27 Jul 2021 06:15:16 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id e14so15755659plh.8 for ; Tue, 27 Jul 2021 06:15:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=YXoEFWNFegDLjh63aB7YynMdsckMJMt3kA7uoBIprrg=; b=tAAgdDWBg5+q1Ub4+eP5WhGkQAwNYLkQrR6Zz/wvdLP2+Q2fG63SWu53yn+cLW0FjA HzGJgkQs416Nih2qn6/83rwu0vxNAxgkMthktSKHNL7yKYH169GVPsor3ENM2Z/D/nib gwCYXallXAVn+DgynqFMbZQo/VK4QZMSlmaTnBJzX+NXU5EFFshYsIRcmDXhN6TLekWQ fLF719EwKpSyRJajE5Jn3RWj3L9oGNOYpbOOAbx53kQpmE42RQgN9/kUQ5MFWkglglUn 2n68EjR4GZ+uM3AvF8suXQO/ZqVN7z+EmFDjV6COjTwTaAKU3JE7rXsXK7lIn14G78Qx cBIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=YXoEFWNFegDLjh63aB7YynMdsckMJMt3kA7uoBIprrg=; b=kRmRXXvThfxcmBbIesYo1KrOFpuhxFBWKgLLsHh0srZXaGs4U+ynRws7XUIyxkKdZ1 SZEn8iMJmTJAM5dQQn9dYUJ8cbLV5x03Hr0DiyJ5mghART8WZk5shbeLIaMcgBFQb07P dqXbzULsTqrkArZFG3qt+mOe2d8RiEWfYoxFKDOrQ4jWPvDH5dpQjc4seT0mw3mdExCO HRc1BDancGwkuvI7mU59PaF3XOcQdYZnE9jf5XQu4ZPfI0mR78MxPyUdfhptZTrbrmph 6/7ScpjqOSG/91GsIww86rarDBzjWAdLxek+4DWt9/Cm4nR+8IUNvnKNrOc99PjjKdvP Eudw== X-Gm-Message-State: AOAM532sOzaa9QIfUds27+vW4hasNgP4mHtFh0MvZehSKoREvZ+Tqnt2 zaQlgm6nZGnXpUId/ZdWTGo= X-Google-Smtp-Source: ABdhPJzlkIH3UaAaioz+zNk+a4YSthDiGisiPDqDQ0WNecs3MhL2luv+HDsYPB645D1XhcAadgeAHQ== X-Received: by 2002:a63:786:: with SMTP id 128mr23803922pgh.48.1627391716400; Tue, 27 Jul 2021 06:15:16 -0700 (PDT) Received: from localhost.localdomain ([111.204.182.99]) by smtp.gmail.com with ESMTPSA id a18sm3723379pfi.6.2021.07.27.06.15.13 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Jul 2021 06:15:15 -0700 (PDT) From: xiangxia.m.yue@gmail.com To: xiyou.wangcong@gmail.com, netdev@vger.kernel.org Cc: Tonghao Zhang Subject: [net-next] qdisc: add new field for qdisc_enqueue tracepoint Date: Tue, 27 Jul 2021 21:14:13 +0800 Message-Id: <20210727131413.5085-1-xiangxia.m.yue@gmail.com> X-Mailer: git-send-email 2.30.1 (Apple Git-130) MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tonghao Zhang qdisc_enqueue tracepoint can work with qdisc:qdisc_dequeue to measure packets latency in qdisc queues. Add a new field txq for it, then we can retrieve more info. Signed-off-by: Tonghao Zhang --- include/trace/events/qdisc.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h index c3006c6b4a87..59c945b66f9c 100644 --- a/include/trace/events/qdisc.h +++ b/include/trace/events/qdisc.h @@ -54,6 +54,7 @@ TRACE_EVENT(qdisc_enqueue, TP_STRUCT__entry( __field(struct Qdisc *, qdisc) + __field(const struct netdev_queue *, txq) __field(void *, skbaddr) __field(int, ifindex) __field(u32, handle) @@ -62,6 +63,7 @@ TRACE_EVENT(qdisc_enqueue, TP_fast_assign( __entry->qdisc = qdisc; + __entry->txq = txq; __entry->skbaddr = skb; __entry->ifindex = txq->dev ? txq->dev->ifindex : 0; __entry->handle = qdisc->handle;