From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10266 invoked by alias); 28 Oct 2013 14:21:46 -0000 Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org Received: (qmail 10258 invoked by uid 89); 28 Oct 2013 14:21:46 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: out4-smtp.messagingengine.com Received: from out4-smtp.messagingengine.com (HELO out4-smtp.messagingengine.com) (66.111.4.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Mon, 28 Oct 2013 14:21:45 +0000 Received: from compute1.internal (compute1.nyi.mail.srv.osa [10.202.2.41]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id C039820F1A; Mon, 28 Oct 2013 10:21:35 -0400 (EDT) Received: from frontend2 ([10.202.2.161]) by compute1.internal (MEProxy); Mon, 28 Oct 2013 10:21:35 -0400 Received: from localhost.localdomain (unknown [82.181.7.205]) by mail.messagingengine.com (Postfix) with ESMTPA id 7862A6801C1; Mon, 28 Oct 2013 10:21:33 -0400 (EDT) Message-ID: <526E72EC.9060400@iki.fi> Date: Mon, 28 Oct 2013 14:21:00 -0000 From: Pekka Enberg User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 MIME-Version: 1.0 To: Srikar Dronamraju CC: Masami Hiramatsu , Hemant Kumar , LKML , Peter Zijlstra , Oleg Nesterov , hegdevasant@linux.vnet.ibm.com, Ingo Molnar , anton@redhat.com, systemtap@sourceware.org, Namhyung Kim , aravinda@linux.vnet.ibm.com Subject: Re: [PATCH v4 2/3] Support for perf to probe into SDT markers: References: <20131023044511.1886.82571.stgit@hemant-fedora> <20131023050502.1886.15779.stgit@hemant-fedora> <526E4940.8000608@hitachi.com> <526E5BA5.7050103@iki.fi> <20131028141152.GA1040@linux.vnet.ibm.com> In-Reply-To: <20131028141152.GA1040@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2013-q4/txt/msg00115.txt.bz2 On 10/28/2013 04:11 PM, Srikar Dronamraju wrote: > > But what if a system has both 32 bit libc and 64 bit libc? > Wont we could end up with 2 libc:setjmp? > Should we give some more intelligence into perf to choose the 64 bit > libc over 32 bit one? You can just trace both of them by default, no? Pekka