From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13150 invoked by alias); 18 Nov 2014 04:51:31 -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 13137 invoked by uid 89); 18 Nov 2014 04:51:30 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.6 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_SOFTFAIL autolearn=no version=3.3.2 X-HELO: lgemrelse6q.lge.com Received: from LGEMRELSE6Q.lge.com (HELO lgemrelse6q.lge.com) (156.147.1.121) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 18 Nov 2014 04:51:29 +0000 Received: from unknown (HELO localhost) (10.177.222.235) by 156.147.1.121 with ESMTP; 18 Nov 2014 13:51:26 +0900 X-Original-SENDERIP: 10.177.222.235 X-Original-MAILFROM: namhyung@gmail.com From: Namhyung Kim To: Masami Hiramatsu Cc: Arnaldo Carvalho de Melo , Hemant Kumar , linux-kernel@vger.kernel.org, srikar@linux.vnet.ibm.com, peterz@infradead.org, oleg@redhat.com, hegdevasant@linux.vnet.ibm.com, mingo@redhat.com, systemtap@sourceware.org, aravinda@linux.vnet.ibm.com, penberg@iki.fi, brendan.d.gregg@gmail.com, "yrl.pp-manager.tt\@hitachi.com" Subject: Re: [RFC] perf-cache command interface design References: <87lhnr5sbl.fsf@sejong.aot.lge.com> <54588905.7040002@linux.vnet.ibm.com> <5458CD15.4010101@hitachi.com> <874muew2hk.fsf@sejong.aot.lge.com> <5459E865.6050207@hitachi.com> <545B1DDE.9000202@linux.vnet.ibm.com> <545C80F4.4020905@hitachi.com> <54609A8C.4050308@hitachi.com> <20141110122321.GC4468@redhat.com> <5461B276.50004@hitachi.com> <20141111131030.GG4468@redhat.com> <54637C05.5090807@hitachi.com> <87oas6ttf8.fsf@sejong.aot.lge.com> <546968CB.1070802@hitachi.com> <546A71FE.5080500@hitachi.com> Date: Tue, 18 Nov 2014 04:51:00 -0000 In-Reply-To: <546A71FE.5080500@hitachi.com> (Masami Hiramatsu's message of "Tue, 18 Nov 2014 07:09:02 +0900") Message-ID: <87tx1xqfg1.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-SW-Source: 2014-q4/txt/msg00155.txt.bz2 On Tue, 18 Nov 2014 07:09:02 +0900, Masami Hiramatsu wrote: > (2014/11/17 12:17), Masami Hiramatsu wrote: >> (2014/11/17 12:08), Namhyung Kim wrote: >>> I prefer this too. But I'd like make the 'add' part a subcommand rather >>> than option like we do in perf kmem/kvm/list/lock/mem/sched ... And it >>> can handle multiple files at once. What about this? >>> >>> perf cache add [--elf|--sdt|--probe ] [...] >> >> OK, that's good to me. And I think --elf/--sdt is meaningless. >> Only --probe option is required, since we can scan the elf file to >> add sdt cache when adding elf binary :) > > BTW, what should we do if we put the probe cache on current running kernel? > > perf cache add --probe > > and have no binary argument, is it OK? Hmm.. what about passing /proc/kallsyms and/or /boot/vmlinux for that? Now I found that we need to special-case the kallsyms non-ELF file :) Thanks, Namhyung