Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752550AbdLGEm4 (ORCPT ); Wed, 6 Dec 2017 23:42:56 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:40386 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752412AbdLGEmx (ORCPT ); Wed, 6 Dec 2017 23:42:53 -0500 Subject: Re: [PATCH 0/5] perf-probe: Improve probing on versioned symbols To: Masami Hiramatsu Cc: Arnaldo Carvalho de Melo , bhargavb , linux-kernel@vger.kernel.org, Paul Clarke , linux-rt-users@vger.kernel.org, linux-perf-users@vger.kernel.org, Ravi Bangoria References: <151252958056.12861.954203514347167563.stgit@devbox> From: Ravi Bangoria Date: Thu, 7 Dec 2017 10:13:28 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <151252958056.12861.954203514347167563.stgit@devbox> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-TM-AS-GCONF: 00 x-cbid: 17120704-0040-0000-0000-000004173BA2 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17120704-0041-0000-0000-000020BA3907 Message-Id: <0db660f7-2211-39b0-7491-7fb3cc4fbb8f@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-12-06_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1712070071 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 679 Lines: 20 Hi Masami, On 12/06/2017 08:36 AM, Masami Hiramatsu wrote: > [4/5] Find versioned symbol from map without wildcard. > This allows user to specify a symbol without version > suffix nor wildcard. Anyway, at this point we have > no way to specify version suffix, because parser > recognizes "@" is a separator of "function@file" > syntax. This is fixed in next patch. > [5/5] Allow user to use backslash-escaped characters > on command line. This has 2 effects, user can specify > version suffix directly, and we can use special > characters in source file. Just a thought. Will it be good to describe / illustrate this in man page as well? Thanks, Ravi