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_1 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 BDA5DC32771 for ; Mon, 27 Jan 2020 07:35:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9462F2067C for ; Mon, 27 Jan 2020 07:35:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726029AbgA0Hfq (ORCPT ); Mon, 27 Jan 2020 02:35:46 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:8402 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725765AbgA0Hfq (ORCPT ); Mon, 27 Jan 2020 02:35:46 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00R7ZWij021084 for ; Mon, 27 Jan 2020 02:35:45 -0500 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xrk3b6s1s-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 27 Jan 2020 02:35:44 -0500 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 27 Jan 2020 07:34:26 -0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 00R7YOaf45678828 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 Jan 2020 07:34:24 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6D99F4C046; Mon, 27 Jan 2020 07:34:24 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2A85D4C044; Mon, 27 Jan 2020 07:34:24 +0000 (GMT) Received: from oc3784624756.ibm.com (unknown [9.152.212.201]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 27 Jan 2020 07:34:24 +0000 (GMT) Subject: Re: [PATCH] perf test: Test case 66 broken on s390 (lib/traceevent issue) To: Steven Rostedt , Masami Hiramatsu Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, acme@kernel.org, borntraeger@de.ibm.com, gor@linux.ibm.com, sumanthk@linux.ibm.com, heiko.carstens@de.ibm.com References: <20200124073941.39119-1-tmricht@linux.ibm.com> <20200124100742.4050c15e@gandalf.local.home> <20200125013153.46f05fc1f617fcd341e7060b@kernel.org> <20200124113610.662f4afb@gandalf.local.home> From: Thomas Richter Organization: IBM Date: Mon, 27 Jan 2020 08:34:23 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <20200124113610.662f4afb@gandalf.local.home> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 20012707-0016-0000-0000-000002E0F511 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20012707-0017-0000-0000-00003343AFEF Message-Id: <659928a1-95b3-ed0d-7988-745d92b495d6@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-27_02:2020-01-24,2020-01-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 phishscore=0 priorityscore=1501 mlxscore=0 adultscore=0 spamscore=0 clxscore=1015 mlxlogscore=999 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1911200001 definitions=main-2001270064 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/24/20 5:36 PM, Steven Rostedt wrote: > On Sat, 25 Jan 2020 01:31:53 +0900 > Masami Hiramatsu wrote: > >> Hi Steven and Thomas, >> >> On Fri, 24 Jan 2020 10:07:42 -0500 >> Steven Rostedt wrote: >> >>> This looks like a kernel bug, not a libtraceevent parsing bug. >> >> Totally agreed. It was my fault to update the print format. >> Even if still there is a problem on s390, this patch must be >> applied. > > Thanks Masami for looking into it. > > Thomas, > > Please still test this patch. If it works, I'd like to add a > Reported-by and Tested-by tag from you. > > -- Steve > >> >> Fixes: 88903c464321 ("tracing/probe: Add ustring type for user-space string") >> Acked-by: Masami Hiramatsu >> Steven and Masami, thanks for the patch, it fixes this issue! PS: I should have sent this description earlier, would have saved a week of debugging on my side.... -- Thomas Richter, Dept 3252, IBM s390 Linux Development, Boeblingen, Germany -- Vorsitzender des Aufsichtsrats: Matthias Hartmann Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294