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[2620:137:e000::1:20]) by mx.google.com with ESMTP id mh1-20020a17090b4ac100b00212d5631badsi7132616pjb.55.2022.10.27.09.02.22; Thu, 27 Oct 2022 09:02:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234842AbiJ0PoD (ORCPT + 99 others); Thu, 27 Oct 2022 11:44:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234474AbiJ0Pn4 (ORCPT ); Thu, 27 Oct 2022 11:43:56 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BE6F1905F5; Thu, 27 Oct 2022 08:43:56 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B67A7623B9; Thu, 27 Oct 2022 15:43:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6BBEBC433D6; Thu, 27 Oct 2022 15:43:53 +0000 (UTC) Date: Thu, 27 Oct 2022 11:44:07 -0400 From: Steven Rostedt To: Eric Dumazet Cc: Menglong Dong , Jakub Kicinski , David Miller , Paolo Abeni , Ingo Molnar , Menglong Dong , David Ahern , Hao Peng , Dongli Zhang , robh@kernel.org, Pavel Begunkov , Luiz Augusto von Dentz , Vasily Averin , LKML , netdev Subject: Re: [PATCH net-next v2] net: skb: export skb drop reaons to user by TRACE_DEFINE_ENUM Message-ID: <20221027114407.6429a809@gandalf.local.home> In-Reply-To: References: <20220902141715.1038615-1-imagedong@tencent.com> <20220905103808.434f6909@gandalf.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 27 Oct 2022 08:32:02 -0700 Eric Dumazet wrote: > This seems broken again (tried on latest net-next tree) > > perf script Do you also have the latest perf and the latest libtraceevent installed? -- Steve > sshd 12192 [006] 200.090602: skb:kfree_skb: > skbaddr=0x2fa000400000 protocol=7844 location=0x2fa000001ea4 reason: > swapper 0 [030] 200.497468: skb:kfree_skb: > skbaddr=0xba00400001 protocol=65535 location=0x9080c62800000000 > reason: > kworker/30:1-ev 308 [030] 200.497476: skb:kfree_skb: > skbaddr=0xba00400001 protocol=65535 location=0x9080c62800000000 > reason: > swapper 0 [009] 200.957881: skb:kfree_skb: > skbaddr=0x2fa400400000 protocol=12195 location=0x2fa400002fa3 reason: > swapper 0 [026] 201.515769: skb:kfree_skb: > skbaddr=0xb600400001 protocol=65535 location=0x9080c62800000000 > reason: > kworker/26:1-mm 276 [026] 201.515797: skb:kfree_skb: > skbaddr=0xb600400001 protocol=65535 location=0x9080c62800000000 > reason: > kworker/26:1-mm 276 [026] 201.515802: skb:kfree_skb: > skbaddr=0x2f9f00400000 protocol=12189 location=0x2f9f00002f9d reason: > swapper 0 [030] 201.521484: skb:kfree_skb: > skbaddr=0xba00400001 protocol=65535 location=0x9080c62800000000 > reason: > kworker/30:1-ev 308 [030] 201.521491: skb:kfree_skb: > skbaddr=0x2fa100400000 protocol=12192 location=0x2fa100002fa0 reason: