From patchwork Sun Jul 11 18:32:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cong Wang X-Patchwork-Id: 472805 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=-15.8 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 D1456C07E9B for ; Sun, 11 Jul 2021 18:32:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4669610FB for ; Sun, 11 Jul 2021 18:32:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235788AbhGKSfi (ORCPT ); Sun, 11 Jul 2021 14:35:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231277AbhGKSfh (ORCPT ); Sun, 11 Jul 2021 14:35:37 -0400 Received: from mail-oo1-xc36.google.com (mail-oo1-xc36.google.com [IPv6:2607:f8b0:4864:20::c36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFDF4C0613DD for ; Sun, 11 Jul 2021 11:32:50 -0700 (PDT) Received: by mail-oo1-xc36.google.com with SMTP id e203-20020a4a55d40000b029025f4693434bso431078oob.3 for ; Sun, 11 Jul 2021 11:32:50 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=ERkmkf6rZ7IRgG3dZCtHVrLHv372iihkx7KB9E1cios=; b=TYk6ZcH8M/Ipl5aUCoLdo5q/JQ0ZNxQPOjmrKesCca27fU6ut9s5jf1jVuSdL5Ow19 v38JTTC5Gg4mCgKgEPjL3H7dkrcFfIRkxl+NiiXQMTLuHrqctyIXOWeRalW+nS/b/el7 i0qQt60xXXlCNiSsFcj4290y71a2I0odf54Gvc5MuRHCUpka1xYKnLAhzb/lVByQ+AbD IZ/nNN6vGJjgrJ0JVv2mUZ0UD6PZv/7pBSyVWLKO/lkk0xxg/XlWQAJ73eEeKpHKCQqw vTt2kHUNN7vmeHtJMJ5sdJ0dwjgRp1I8E3USUQVhm/jjTf9cyorTy+qSezFkhyxJFoV5 jKGQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=ERkmkf6rZ7IRgG3dZCtHVrLHv372iihkx7KB9E1cios=; b=H3kVEDtrygwFJg3AuUZ76oW5RYGlU386r2gtVGCQpfsORRglH+tPES2K/b6g0knAaG 13Rk6xcbW5bjzePdvWDhx7a+pWJnhhLgeynt0wQsxBj0wxblpywwdO6cqrD7ikRQD7Ih w8uBa8cbvvlytJPmWrTz5wDKrj/sn+s05gtYRHYjIgK329A36z387tF0G/DCW+rVHesR WIZQg87IqXEqQz/i5ffWv+6CiLEt7r4yEwlqnUMcqZ2djebBe7MivXAZ0JjqbqU1wU70 IdgcaXViuUBXjgHO5ziLgmB/jM12gkijAPwbozc8Vm3Z4vB01QCSWz0nftLEkzH7UOS6 J86g== X-Gm-Message-State: AOAM530qAnMSLfufHvUtJbVWUkWe24mh5eVU5IBkyXeAbYuUBfO14IcK v2qiVyVPOGmZa5g1TKeHDwlxfS3pxHs= X-Google-Smtp-Source: ABdhPJx/Tjn0MMAOGQQHiemnhY+mHDr5vKGLhE+A7uJNpUV3dlSumDv4zs/PgQboX1fySUMhCXaEeQ== X-Received: by 2002:a4a:ae8c:: with SMTP id u12mr34627516oon.3.1626028369929; Sun, 11 Jul 2021 11:32:49 -0700 (PDT) Received: from unknown.attlocal.net (76-217-55-94.lightspeed.sntcca.sbcglobal.net. [76.217.55.94]) by smtp.gmail.com with ESMTPSA id o1sm2648675oik.19.2021.07.11.11.32.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Jul 2021 11:32:49 -0700 (PDT) From: Cong Wang To: netdev@vger.kernel.org Cc: Qitao Xu , Cong Wang , Jesper Dangaard Brouer Subject: [Patch net-next v2] net_sched: use %px to print skb address in trace_qdisc_dequeue() Date: Sun, 11 Jul 2021 11:32:34 -0700 Message-Id: <20210711183234.7889-2-xiyou.wangcong@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210711183234.7889-1-xiyou.wangcong@gmail.com> References: <20210711183234.7889-1-xiyou.wangcong@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Qitao Xu Print format of skbaddr is changed to %px from %p, because we want to use skb address as a quick way to identify a packet. Note, trace ring buffer is only accessible to privileged users, it is safe to use a real kernel address here. Reviewed-by: Cong Wang Cc: Jesper Dangaard Brouer Signed-off-by: Qitao Xu --- include/trace/events/qdisc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h index 330d32d84485..58209557cb3a 100644 --- a/include/trace/events/qdisc.h +++ b/include/trace/events/qdisc.h @@ -41,7 +41,7 @@ TRACE_EVENT(qdisc_dequeue, __entry->txq_state = txq->state; ), - TP_printk("dequeue ifindex=%d qdisc handle=0x%X parent=0x%X txq_state=0x%lX packets=%d skbaddr=%p", + TP_printk("dequeue ifindex=%d qdisc handle=0x%X parent=0x%X txq_state=0x%lX packets=%d skbaddr=%px", __entry->ifindex, __entry->handle, __entry->parent, __entry->txq_state, __entry->packets, __entry->skbaddr ) );