Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755106Ab0GLGll (ORCPT ); Mon, 12 Jul 2010 02:41:41 -0400 Received: from 124x34x33x190.ap124.ftth.ucom.ne.jp ([124.34.33.190]:49530 "EHLO master.linux-sh.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754684Ab0GLGlj (ORCPT ); Mon, 12 Jul 2010 02:41:39 -0400 Date: Mon, 12 Jul 2010 15:41:26 +0900 From: Paul Mundt To: Matt Fleming Cc: Masami Hiramatsu , linux-kernel@vger.kernel.org, Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Ian Munsie , Masami Hiramatsu Subject: Re: [PATCH] perf: Add DWARF register lookup for SH Message-ID: <20100712064126.GA3716@linux-sh.org> References: <4C3A75E3.6070803@hitachi.com> <87lj9h8bgv.fsf@linux-g6p1.site> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87lj9h8bgv.fsf@linux-g6p1.site> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1165 Lines: 23 On Mon, Jul 12, 2010 at 07:23:44AM +0100, Matt Fleming wrote: > On Mon, 12 Jul 2010 10:54:43 +0900, Masami Hiramatsu wrote: > > Matt Fleming wrote: > > > Implement get_arch_regstr() for SH so that, given a DWARF register > > > number, the corresponding symbolic name of that register can be looked > > > up. > > > > OK, the patch itself looks good, but I don't know whether SH kernel > > supports KPROBE_EVENT which is required for perf-probe. Or, SH kernel > > repository already has it? > > No, SH doesn't support KPROBE_EVENT yet. It's on my list of things to > do. However, this patch also stops the "DWARF register mappings have not > been defined" warning when building perf. It does now, by virtue of HAVE_REGS_AND_STACK_ACCESS_API. The initial support for this was checked in on June 14th, so you should be able to use it already as long as you're working with current HEAD. -- 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/