Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506Ab3J2FbO (ORCPT ); Tue, 29 Oct 2013 01:31:14 -0400 Received: from LGEMRELSE1Q.lge.com ([156.147.1.111]:45612 "EHLO LGEMRELSE1Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751130Ab3J2FbN (ORCPT ); Tue, 29 Oct 2013 01:31:13 -0400 X-AuditID: 9c93016f-b7cb6ae000000e4c-d3-526f481ff7af From: Namhyung Kim To: Masami Hiramatsu Cc: Pekka Enberg , Srikar Dronamraju , Hemant Kumar , LKML , Peter Zijlstra , Oleg Nesterov , hegdevasant@linux.vnet.ibm.com, Ingo Molnar , anton@redhat.com, systemtap@sourceware.org, 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> <526E72EC.9060400@iki.fi> <20131028173152.GB1040@linux.vnet.ibm.com> <526EA366.4020204@iki.fi> <526F2949.5000208@hitachi.com> Date: Tue, 29 Oct 2013 14:31:11 +0900 In-Reply-To: <526F2949.5000208@hitachi.com> (Masami Hiramatsu's message of "Tue, 29 Oct 2013 12:19:37 +0900") Message-ID: <877gcw7ie8.fsf@sejong.aot.lge.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1175 Lines: 36 Hi Masami, On Tue, 29 Oct 2013 12:19:37 +0900, Masami Hiramatsu wrote: > (2013/10/29 2:48), Pekka Enberg wrote: >> For the 32-bit and 64-bit libc case, why cannot 'perf list' >> by default print out something like: >> >> $ perf list >> >> libc:setjmp [SDT marker group] >> >> and provide a '--fully-qualified' command line option that: >> >> $ perf list --fully-qualified >> >> libc:setjmp => libc32:setjmp, libc64:setjmp [SDT marker group] >> libc32:setjmp => libc:setjmp@/lib/libc.so.6 [SDT marker] >> libc64:setjmp => libc:setjmp@/lib64/libc.so.6 [SDT marker] >> >> and then teach 'perf trace' to deal with SDT marker groups >> where you trace two events, not one? > > Ah, that's a good idea. :) > And it also is needed for another probe event because > sometimes inlined functions have multiple instances. > I'd like to fold them as one event group. Yes, I'd love to see it as well. :) Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/