Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752386AbdDNGhb (ORCPT ); Fri, 14 Apr 2017 02:37:31 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:35444 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751492AbdDNGh2 (ORCPT ); Fri, 14 Apr 2017 02:37:28 -0400 Subject: Re: [PATCH] perf trace: Add usage of --no-syscalls in man page To: Arnaldo Carvalho de Melo References: <1492063332-5745-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com> <20170413135103.GO3275@kernel.org> Cc: peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, alexis.berlemont@gmail.com, linux-kernel@vger.kernel.org, Ravi Bangoria From: Ravi Bangoria Date: Fri, 14 Apr 2017 12:07:19 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <20170413135103.GO3275@kernel.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 17041406-0020-0000-0000-00000BC1B654 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00006933; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000208; SDB=6.00847249; UDB=6.00418051; IPR=6.00625776; BA=6.00005288; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00015042; XFM=3.00000013; UTC=2017-04-14 06:37:25 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17041406-0021-0000-0000-00005BA922D3 Message-Id: <58F06E1F.6040700@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-04-14_03:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1702020001 definitions=main-1704140056 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 792 Lines: 21 Hi Arnaldo, Thanks for pulling the patch. On Thursday 13 April 2017 07:21 PM, Arnaldo Carvalho de Melo wrote: > Em Thu, Apr 13, 2017 at 11:32:12AM +0530, Ravi Bangoria escreveu: >> perf trace supports --no-syscalls option but it's not listed in >> the man page. (Though, I see an example using --no-syscalls in >> EXAMPLES section.) > Thanks, applied. > > I'm thinking about making --no-syscalls the default when 'trace' is > hardlinked to 'perf', i.e. 'perf trace' remains as it is, but if one > calls 'trace', then --no-syscalls is the default, as after non-syscall > events got supported I find myself using --no-syscalls way too often, > what do you think? +1. Makes sense to me. I also use 'perf trace' more often for non-syscall events. So.. if others are okay please do it. -Ravi