Received: by 2002:a6b:fb09:0:0:0:0:0 with SMTP id h9csp853151iog; Fri, 24 Jun 2022 16:10:23 -0700 (PDT) X-Google-Smtp-Source: AGRyM1tS90ag+Lw9cf/ZIhI9+TLflIGF+JV8nEYQSxuDwJ3GEwYeWPOERkaKCEEDr2kSjyvtpnUD X-Received: by 2002:a17:906:b048:b0:6fe:be4a:3ecf with SMTP id bj8-20020a170906b04800b006febe4a3ecfmr1393195ejb.104.1656112223314; Fri, 24 Jun 2022 16:10:23 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1656112223; cv=none; d=google.com; s=arc-20160816; b=kEwH037DFhjAG5v5KMLoLDCQ7UiMgHZGKet79XIUwfLUTnJmcXOy38G/Q+7o7Vmsmy JVDJuaDZJoPoVfwkCwd6ewFgGzJ7nXBTM4S0Bv74yGuPjGU8rsXni12ODTYiUHTazKeb OLovzP7Du242xh2FiR7QlpppUpdp/Z1Kj8DIFXdhb+3ufybo+97j+uGK0baFD6zASsLn 0ttzcoXyeHMguIbkupdweiwLd0oJoG3bNh28v2GEWmfqt//BaJb6xp86prUs1zCFZCnT caguVTSD/SJBlELLp6kDWKCy83oF0EEDakkM912HDSijfvzXX72XBLejyHV/duXRs6b/ DN7g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=fUiksMJZcNEAGPOwcUXsSPSiSQNneEfVSip6bh7EHyU=; b=FIlNlBSsYqevHPPo6LMkrZMOZRsF51s5k55LOPam2yhD9xkB1LRZBbfCgR0Qkm9CEj 0JOkuDUc6PhRhs9hek22QB3XPnvTPXzb9jJQKeR0JmQfK5PhndXdY0ohLYNDJJA7OWHJ Yzg/WLrtLsVAcs/fXwVtFPNv2V/uVE64+avVtmBeEE2B7sLRA/5FwvWs1gyNd6+zfs2E fVq8x5T/+t94P60mWLVzXc8RndiGzRPKWATOfMPH8b+oLIi3eBWZg1697YYMD9SNANjS xrMoTXhVFtOC0Q24P8FNaE8h81H1LCMlHL+aGwLRlAJvA4e880Xc7SdtH6jMy7eeSbFS 58Zg== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id w16-20020a1709061f1000b0070f153ebd89si3803264ejj.7.2022.06.24.16.09.57; Fri, 24 Jun 2022 16:10:23 -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 S231642AbiFXXIZ (ORCPT + 99 others); Fri, 24 Jun 2022 19:08:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231516AbiFXXIZ (ORCPT ); Fri, 24 Jun 2022 19:08:25 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E366B46CB0 for ; Fri, 24 Jun 2022 16:08:23 -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 ams.source.kernel.org (Postfix) with ESMTPS id 92AA0B82CE5 for ; Fri, 24 Jun 2022 23:08:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1DBBC34114; Fri, 24 Jun 2022 23:08:20 +0000 (UTC) Date: Fri, 24 Jun 2022 19:08:19 -0400 From: Steven Rostedt To: Chuck Lever III Cc: LKML Subject: Re: possible trace_printk() bug in v5.19-rc1 Message-ID: <20220624190819.59df11d3@rorschach.local.home> In-Reply-To: <355D2478-33D3-4046-8422-E512F42C51BC@oracle.com> References: <20220616113400.15335d91@gandalf.local.home> <20220617155019.373adda7@gandalf.local.home> <3BAD2CD9-3A34-4140-A28C-0FE798B83C41@oracle.com> <355D2478-33D3-4046-8422-E512F42C51BC@oracle.com> 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, T_SCC_BODY_TEXT_LINE 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 Mon, 20 Jun 2022 00:57:23 +0000 Chuck Lever III wrote: > > Yes, I'm sure. I just checked out v5.18 and built it with the > > same CONFIG. trace_printk() on that kernel generates function > > names as expected. > > I moved my development work to another system, and bisected. The > result: > > 91fb02f31505 ("module: Move kallsyms support into a separate file") Hmm, right below that it says: "No functional change." I'm guessing it may not be as reliably reproducible. And is this an issue with trace-cmd output or reading the trace file? -- Steve