From mboxrd@z Thu Jan 1 00:00:00 1970 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=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no 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 E215AC33CA9 for ; Wed, 13 Nov 2019 16:16:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 09C7A224FF for ; Wed, 13 Nov 2019 15:41:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KRk6ZXzS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09C7A224FF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tcbiahE3xvZ4qdwKDJjHlLSkumbkvH/48k8wpWT9iqw=; b=KRk6ZXzSBckEKO tj53AaO760SEaODFVN+JMSTPWjBde+QnTxIqwpE1rCV08tywTfaEs26//Oe0v87oemDkVYNyPtZBT I45V36+ODwq2gty1Y2F5TKJfdxjnRDIasn5uKNiUbFl1BaByYVJbDY27lVaoSReW/Ey1dfQMihfTl nadjCBP0aI4NY1fL+PbegSIJjQ0gIIPmyRmgH13BBILe4FWXwA1NSTbyoGI8KMSKx6wBv2WSUVeik +9h7snBj7kbJfajIZBw7+fDsahub6KtHK71ZykSEsOk2oXd9TwAuZXufloj3apcu+iPKpN2mEHK3b qnPik/gFAPCsYOBo/KPQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iUulx-0000cc-RT; Wed, 13 Nov 2019 15:41:33 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iUulu-0000by-Fv; Wed, 13 Nov 2019 15:41:31 +0000 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 29788224EF; Wed, 13 Nov 2019 15:41:23 +0000 (UTC) Date: Wed, 13 Nov 2019 10:41:21 -0500 From: Steven Rostedt To: Peter Zijlstra Subject: Re: [PATCH 00/50] Add log level to show_stack() Message-ID: <20191113104121.696c9093@gandalf.local.home> In-Reply-To: <20191106203440.GH3079@worktop.programming.kicks-ass.net> References: <20191106030542.868541-1-dima@arista.com> <20191106092039.GT4131@hirez.programming.kicks-ass.net> <10db6fa1-5b17-ebe6-09e0-6335e09e4db8@arista.com> <20191106203440.GH3079@worktop.programming.kicks-ass.net> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191113_074130_569309_3576CBF1 X-CRM114-Status: GOOD ( 12.05 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juri Lelli , linux-sh@vger.kernel.org, Catalin Marinas , Ben Segall , Guo Ren , Pavel Machek , Vincent Guittot , Paul Burton , Dmitry Safonov , Michael Ellerman , Geert Uytterhoeven , Mel Gorman , Jiri Slaby , Matt Turner , uclinux-h8-devel@lists.sourceforge.jp, Len Brown , linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Thomas Gleixner , Dietmar Eggemann , Richard Henderson , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Ralf Baechle , Paul Mackerras , Andrew Morton , linux-ia64@vger.kernel.org, Tetsuo Handa , James Hogan , "James E.J. Bottomley" , Max Filippov , Vincent Chen , Ingo Molnar , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , linux-hexagon@vger.kernel.org, Helge Deller , linux-xtensa@linux-xtensa.org, Vasily Gorbik , Aurelien Jacquiot , linux-m68k@lists.linux-m68k.org, Stafford Horne , linux-arm-kernel@lists.infradead.org, Chris Zankel , Tony Luck , Douglas Anderson , Benjamin Herrenschmidt , Dmitry Safonov <0x7f454c46@gmail.com>, Will Deacon , Daniel Thompson , Brian Cain , Christian Borntraeger , kgdb-bugreport@lists.sourceforge.net, linux-snps-arc@lists.infradead.org, Fenghua Yu , Borislav Petkov , Jeff Dike , Ivan Kokshaysky , Greentime Hu , Guan Xuetao , linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, Ley Foon Tan , "David S. Miller" , Rich Felker , Petr Mladek , "H. Peter Anvin" , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Anton Ivanov , Jonas Bonn , Richard Weinberger , x86@kernel.org, Russell King , clang-built-linux@googlegroups.com, Ingo Molnar , Mark Salter , Albert Ou , Stefan Kristiansson , openrisc@lists.librecores.org, Paul Walmsley , Michal Simek , Vineet Gupta , linux-mips@vger.kernel.org, Sergey Senozhatsky , Palmer Dabbelt , Jason Wessel , nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Wed, 6 Nov 2019 21:34:40 +0100 Peter Zijlstra wrote: > I suppose I'm surprised there are backtraces that are not important. > Either badness happened and it needs printing, or the user asked for it > and it needs printing. Unfortunately that is the case. As my tests will fail if a backtrace is detected. > > Perhaps we should be removing backtraces if they're not important > instead of allowing to print them as lower loglevels? I usually end up removing backtraces for my tests, so I'm for this. Specifically this happens in the drm and i915 drivers :-p -- Steve _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no 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 7A730C432C3 for ; Wed, 13 Nov 2019 20:04:09 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D68B3206E5 for ; Wed, 13 Nov 2019 20:04:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D68B3206E5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47CwYL6KJ8zF4Gf for ; Thu, 14 Nov 2019 07:04:06 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=srs0=n35v=zf=goodmis.org=rostedt@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=goodmis.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47CpkN1Z6NzF6gm for ; Thu, 14 Nov 2019 02:41:32 +1100 (AEDT) Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 29788224EF; Wed, 13 Nov 2019 15:41:23 +0000 (UTC) Date: Wed, 13 Nov 2019 10:41:21 -0500 From: Steven Rostedt To: Peter Zijlstra Subject: Re: [PATCH 00/50] Add log level to show_stack() Message-ID: <20191113104121.696c9093@gandalf.local.home> In-Reply-To: <20191106203440.GH3079@worktop.programming.kicks-ass.net> References: <20191106030542.868541-1-dima@arista.com> <20191106092039.GT4131@hirez.programming.kicks-ass.net> <10db6fa1-5b17-ebe6-09e0-6335e09e4db8@arista.com> <20191106203440.GH3079@worktop.programming.kicks-ass.net> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Thu, 14 Nov 2019 06:57:20 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juri Lelli , linux-sh@vger.kernel.org, Catalin Marinas , Ben Segall , Guo Ren , Pavel Machek , Vincent Guittot , Paul Burton , Dmitry Safonov , Geert Uytterhoeven , Mel Gorman , Jiri Slaby , Matt Turner , uclinux-h8-devel@lists.sourceforge.jp, Len Brown , linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Thomas Gleixner , Dietmar Eggemann , Richard Henderson , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Ralf Baechle , Paul Mackerras , Andrew Morton , linux-ia64@vger.kernel.org, Tetsuo Handa , James Hogan , "James E.J. Bottomley" , Max Filippov , Vincent Chen , Ingo Molnar , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , linux-hexagon@vger.kernel.org, Helge Deller , linux-xtensa@linux-xtensa.org, Vasily Gorbik , Aurelien Jacquiot , linux-m68k@lists.linux-m68k.org, Stafford Horne , linux-arm-kernel@lists.infradead.org, Chris Zankel , Tony Luck , Douglas Anderson , Dmitry Safonov <0x7f454c46@gmail.com>, Will Deacon , Daniel Thompson , Brian Cain , Christian Borntraeger , kgdb-bugreport@lists.sourceforge.net, linux-snps-arc@lists.infradead.org, Fenghua Yu , Borislav Petkov , Jeff Dike , Ivan Kokshaysky , Greentime Hu , Guan Xuetao , linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, Ley Foon Tan , "David S. Miller" , Rich Felker , Petr Mladek , "H. Peter Anvin" , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Anton Ivanov , Jonas Bonn , Richard Weinberger , x86@kernel.org, Russell King , clang-built-linux@googlegroups.com, Ingo Molnar , Mark Salter , Albert Ou , Stefan Kristiansson , openrisc@lists.librecores.org, Paul Walmsley , Michal Simek , Vineet Gupta , linux-mips@vger.kernel.org, Sergey Senozhatsky , Palmer Dabbelt , Jason Wessel , nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, 6 Nov 2019 21:34:40 +0100 Peter Zijlstra wrote: > I suppose I'm surprised there are backtraces that are not important. > Either badness happened and it needs printing, or the user asked for it > and it needs printing. Unfortunately that is the case. As my tests will fail if a backtrace is detected. > > Perhaps we should be removing backtraces if they're not important > instead of allowing to print them as lower loglevels? I usually end up removing backtraces for my tests, so I'm for this. Specifically this happens in the drm and i915 drivers :-p -- Steve From mboxrd@z Thu Jan 1 00:00:00 1970 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=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no 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 7AE67C33C99 for ; Wed, 13 Nov 2019 16:16:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CAA6122508 for ; Wed, 13 Nov 2019 15:41:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="acp4MD7o" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CAA6122508 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=U+ZMfieLUxkWcXsS43l2T2TNQveJoc+tzN/e2xwj3ew=; b=acp4MD7oqmn6Nb qvsjx7oGIcMTaoLwRgoQ5qZFWriD+FaFW3wD41rHm/8vYEUW+YUyZxnLnVbWmtS2jHxfc+ndFdhhv RoUOnd+hPZMDFDifpAHsTisqVHY0BLwknimP9hsP5MGzIxfUWoaQcul0E3tNfVmPAmhJkppay94xq lllWtjjQVOxBOlRiFxnhkVk106zF2d6yIo6SrrxsoSiZJCIHB9pG7tXpshVHTWeOvNXIJ1Pm3OCSm ezbdep80oCqtmovB3DiSY+Trom2w7OfN04w1gGR+eSOKN4lbaz9jDpcVOTDLa2SwUOYOP9biUDHWv TmLv2U2IZmHym0YTsCZg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iUuly-0000dk-OP; Wed, 13 Nov 2019 15:41:34 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iUulu-0000by-Fv; Wed, 13 Nov 2019 15:41:31 +0000 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 29788224EF; Wed, 13 Nov 2019 15:41:23 +0000 (UTC) Date: Wed, 13 Nov 2019 10:41:21 -0500 From: Steven Rostedt To: Peter Zijlstra Subject: Re: [PATCH 00/50] Add log level to show_stack() Message-ID: <20191113104121.696c9093@gandalf.local.home> In-Reply-To: <20191106203440.GH3079@worktop.programming.kicks-ass.net> References: <20191106030542.868541-1-dima@arista.com> <20191106092039.GT4131@hirez.programming.kicks-ass.net> <10db6fa1-5b17-ebe6-09e0-6335e09e4db8@arista.com> <20191106203440.GH3079@worktop.programming.kicks-ass.net> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191113_074130_569309_3576CBF1 X-CRM114-Status: GOOD ( 12.05 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juri Lelli , linux-sh@vger.kernel.org, Catalin Marinas , Ben Segall , Guo Ren , Pavel Machek , Vincent Guittot , Paul Burton , Dmitry Safonov , Michael Ellerman , Geert Uytterhoeven , Mel Gorman , Jiri Slaby , Matt Turner , uclinux-h8-devel@lists.sourceforge.jp, Len Brown , linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Thomas Gleixner , Dietmar Eggemann , Richard Henderson , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Ralf Baechle , Paul Mackerras , Andrew Morton , linux-ia64@vger.kernel.org, Tetsuo Handa , James Hogan , "James E.J. Bottomley" , Max Filippov , Vincent Chen , Ingo Molnar , linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , linux-hexagon@vger.kernel.org, Helge Deller , linux-xtensa@linux-xtensa.org, Vasily Gorbik , Aurelien Jacquiot , linux-m68k@lists.linux-m68k.org, Stafford Horne , linux-arm-kernel@lists.infradead.org, Chris Zankel , Tony Luck , Douglas Anderson , Benjamin Herrenschmidt , Dmitry Safonov <0x7f454c46@gmail.com>, Will Deacon , Daniel Thompson , Brian Cain , Christian Borntraeger , kgdb-bugreport@lists.sourceforge.net, linux-snps-arc@lists.infradead.org, Fenghua Yu , Borislav Petkov , Jeff Dike , Ivan Kokshaysky , Greentime Hu , Guan Xuetao , linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, Ley Foon Tan , "David S. Miller" , Rich Felker , Petr Mladek , "H. Peter Anvin" , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Anton Ivanov , Jonas Bonn , Richard Weinberger , x86@kernel.org, Russell King , clang-built-linux@googlegroups.com, Ingo Molnar , Mark Salter , Albert Ou , Stefan Kristiansson , openrisc@lists.librecores.org, Paul Walmsley , Michal Simek , Vineet Gupta , linux-mips@vger.kernel.org, Sergey Senozhatsky , Palmer Dabbelt , Jason Wessel , nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Wed, 6 Nov 2019 21:34:40 +0100 Peter Zijlstra wrote: > I suppose I'm surprised there are backtraces that are not important. > Either badness happened and it needs printing, or the user asked for it > and it needs printing. Unfortunately that is the case. As my tests will fail if a backtrace is detected. > > Perhaps we should be removing backtraces if they're not important > instead of allowing to print them as lower loglevels? I usually end up removing backtraces for my tests, so I'm for this. Specifically this happens in the drm and i915 drivers :-p -- Steve _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Date: Wed, 13 Nov 2019 10:41:21 -0500 Subject: [OpenRISC] [PATCH 00/50] Add log level to show_stack() In-Reply-To: <20191106203440.GH3079@worktop.programming.kicks-ass.net> References: <20191106030542.868541-1-dima@arista.com> <20191106092039.GT4131@hirez.programming.kicks-ass.net> <10db6fa1-5b17-ebe6-09e0-6335e09e4db8@arista.com> <20191106203440.GH3079@worktop.programming.kicks-ass.net> Message-ID: <20191113104121.696c9093@gandalf.local.home> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org On Wed, 6 Nov 2019 21:34:40 +0100 Peter Zijlstra wrote: > I suppose I'm surprised there are backtraces that are not important. > Either badness happened and it needs printing, or the user asked for it > and it needs printing. Unfortunately that is the case. As my tests will fail if a backtrace is detected. > > Perhaps we should be removing backtraces if they're not important > instead of allowing to print them as lower loglevels? I usually end up removing backtraces for my tests, so I'm for this. Specifically this happens in the drm and i915 drivers :-p -- Steve From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 13 Nov 2019 10:41:21 -0500 From: Steven Rostedt Subject: Re: [PATCH 00/50] Add log level to show_stack() Message-ID: <20191113104121.696c9093@gandalf.local.home> In-Reply-To: <20191106203440.GH3079@worktop.programming.kicks-ass.net> References: <20191106030542.868541-1-dima@arista.com> <20191106092039.GT4131@hirez.programming.kicks-ass.net> <10db6fa1-5b17-ebe6-09e0-6335e09e4db8@arista.com> <20191106203440.GH3079@worktop.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit To: Peter Zijlstra Cc: Dmitry Safonov , linux-kernel@vger.kernel.org, Dmitry Safonov <0x7f454c46@gmail.com>, Andrew Morton , Greg Kroah-Hartman , Ingo Molnar , Jiri Slaby , Petr Mladek , Sergey Senozhatsky , Tetsuo Handa , Albert Ou , Ben Segall , Dietmar Eggemann , Greentime Hu , Ingo Molnar , James Hogan , Juri Lelli , Mel Gorman , Michal Simek , Palmer Dabbelt , Paul Burton , Paul Walmsley , Ralf Baechle , Thomas Gleixner , Vincent Chen , Vincent Guittot , Will Deacon , linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, Ivan Kokshaysky , Matt Turner , Richard Henderson , linux-alpha@vger.kernel.org, Vineet Gupta , linux-snps-arc@lists.infradead.org, Russell King , linux-arm-kernel@lists.infradead.org, clang-built-linux@googlegroups.com, Catalin Marinas , Aurelien Jacquiot , Mark Salter , linux-c6x-dev@linux-c6x.org, Guo Ren , Yoshinori Sato , uclinux-h8-devel@lists.sourceforge.jp, Brian Cain , linux-hexagon@vger.kernel.org, Fenghua Yu , Tony Luck , linux-ia64@vger.kernel.org, Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org, Ley Foon Tan , nios2-dev@lists.rocketboards.org, Jonas Bonn , Stafford Horne , Stefan Kristiansson , openrisc@lists.librecores.org, Helge Deller , "James E.J." Bottomley" ," linux-parisc@vger.kernel.org, Benjamin Herrenschmidt , Michael Ellerman , Paul Mackerras , linuxppc-dev@lists.ozlabs.org, Christian Borntraeger , Heiko Carstens , Vasily Gorbik , linux-s390@vger.kernel.org, Rich Felker , linux-sh@vger.kernel.org, "David S. Miller" , sparclinux@vger.kernel.org, Anton Ivanov , Jeff Dike , Richard Weinberger , linux-um@lists.infradead.org, Guan Xuetao , Borislav Petkov , "H. Peter Anvin" , x86@kernel.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Len Brown , Pavel Machek , "Rafael J. Wysocki" , linux-pm@vger.kernel.org, Daniel Thompson , Douglas Anderson , Jason Wessel , kgdb-bugreport@lists.sourceforge.net List-ID: On Wed, 6 Nov 2019 21:34:40 +0100 Peter Zijlstra wrote: > I suppose I'm surprised there are backtraces that are not important. > Either badness happened and it needs printing, or the user asked for it > and it needs printing. Unfortunately that is the case. As my tests will fail if a backtrace is detected. > > Perhaps we should be removing backtraces if they're not important > instead of allowing to print them as lower loglevels? I usually end up removing backtraces for my tests, so I'm for this. Specifically this happens in the drm and i915 drivers :-p -- Steve From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: [PATCH 00/50] Add log level to show_stack() Date: Wed, 13 Nov 2019 10:41:21 -0500 Message-ID: <20191113104121.696c9093@gandalf.local.home> References: <20191106030542.868541-1-dima@arista.com> <20191106092039.GT4131@hirez.programming.kicks-ass.net> <10db6fa1-5b17-ebe6-09e0-6335e09e4db8@arista.com> <20191106203440.GH3079@worktop.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=U+ZMfieLUxkWcXsS43l2T2TNQveJoc+tzN/e2xwj3ew=; b=acp4MD7oqmn6Nb qvsjx7oGIcMTaoLwRgoQ5qZFWriD+FaFW3wD41rHm/8vYEUW+YUyZxnLnVbWmtS2jHxfc+ndFdhhv RoUOnd+hPZMDFDifpAHsTisqVHY0BLwknimP9hsP5MGzIxfUWoaQcul0E3tNfVmPAmhJkppay94xq lllWtjjQVOxBOlRiFxnhkVk106zF2d6yIo6SrrxsoSiZJCIHB9pG7tXpshVHTWeOvNXIJ1Pm3OCSm ezbdep80oCqtmovB3DiSY+Trom2w7OfN04w1gGR+eSOKN4lbaz9jDpcVOTDLa2SwUOYOP9biUDHWv TmLv2U2IZmHym0YTsCZg==; In-Reply-To: <20191106203440.GH3079@worktop.programming.kicks-ass.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+gla-linux-snps-arc=m.gmane.org@lists.infradead.org To: Peter Zijlstra Cc: Juri Lelli , linux-sh@vger.kernel.org, Catalin Marinas , Ben Segall , Guo Ren , Pavel Machek , Vincent Guittot , Paul Burton , Dmitry Safonov , Michael Ellerman , Geert Uytterhoeven , Mel Gorman , Jiri Slaby , Matt Turner , uclinux-h8-devel@lists.sourceforge.jp, Len Brown , linux-pm@vger.kernel.org, Heiko Carstens , linux-um@lists.infradead.org, Thomas Gleixner , Dietmar Eggemann , Richard Henderson , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kerne On Wed, 6 Nov 2019 21:34:40 +0100 Peter Zijlstra wrote: > I suppose I'm surprised there are backtraces that are not important. > Either badness happened and it needs printing, or the user asked for it > and it needs printing. Unfortunately that is the case. As my tests will fail if a backtrace is detected. > > Perhaps we should be removing backtraces if they're not important > instead of allowing to print them as lower loglevels? I usually end up removing backtraces for my tests, so I'm for this. Specifically this happens in the drm and i915 drivers :-p -- Steve