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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F85AEE7FE5 for ; Fri, 8 Sep 2023 12:31:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238471AbjIHMbq (ORCPT ); Fri, 8 Sep 2023 08:31:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234207AbjIHMbq (ORCPT ); Fri, 8 Sep 2023 08:31:46 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 538FD1BF1; Fri, 8 Sep 2023 05:31:42 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4040EC433CA; Fri, 8 Sep 2023 12:31:40 +0000 (UTC) Date: Fri, 8 Sep 2023 08:31:56 -0400 From: Steven Rostedt To: Sven Schnelle Cc: Ajay Kaher , shuah@kernel.org, mhiramat@kernel.org, chinglinyu@google.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-trace-kernel@vger.kernel.org, lkp@intel.com, namit@vmware.com, oe-lkp@lists.linux.dev, amakhalov@vmware.com, er.ajay.kaher@gmail.com, srivatsa@csail.mit.edu, tkundu@vmware.com, vsirnapalli@vmware.com Subject: Re: [PATCH v4 09/10] eventfs: Move tracing/events to eventfs Message-ID: <20230908083156.7d261adb@gandalf.local.home> In-Reply-To: References: <1689248004-8158-1-git-send-email-akaher@vmware.com> <1689248004-8158-10-git-send-email-akaher@vmware.com> X-Mailer: Claws Mail 3.19.1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org On Fri, 08 Sep 2023 14:14:20 +0200 Sven Schnelle wrote: > Ajay Kaher writes: > > > Till now /sys/kernel/debug/tracing/events is a part of tracefs, > > with-in this patch creating 'events' and it's sub-dir as eventfs. > > Basically replacing tracefs calls with eventfs calls for 'events'. > > > > Signed-off-by: Ajay Kaher > > Co-developed-by: Steven Rostedt (VMware) > > Signed-off-by: Steven Rostedt (VMware) > > Tested-by: Ching-lin Yu > > --- > > fs/tracefs/inode.c | 18 ++++++++++ > > include/linux/trace_events.h | 1 + > > kernel/trace/trace.h | 2 +- > > kernel/trace/trace_events.c | 67 +++++++++++++++++++----------------- > > 4 files changed, 55 insertions(+), 33 deletions(-) > > With this patchset in next-20230908 the following crash is observed on > s390 while running ftracetest test.d/instances/instance-event.tc: > > (It also crashes without KASAN, just not on every try) Yep, and I've spent the last few days fixing this :-) https://lore.kernel.org/linux-trace-kernel/20230907024710.866917011@goodmis.org/ -- Steve