Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751386AbaAXQgv (ORCPT ); Fri, 24 Jan 2014 11:36:51 -0500 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:50521 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750878AbaAXQgu (ORCPT ); Fri, 24 Jan 2014 11:36:50 -0500 Date: Fri, 24 Jan 2014 16:35:49 +0000 From: Will Deacon To: Jean Pihet Cc: "linux-kernel@vger.kernel.org" , "linaro-kernel@lists.linaro.org" , "linux-arm-kernel@lists.infradead.org" , Arnaldo , Ingo Molnar , Jiri Olsa , "patches@linaro.org" Subject: Re: [PATCH v5 0/4] perf: AARCH64 arch support Message-ID: <20140124163548.GH31040@mudshark.cambridge.arm.com> References: <1390399879-5109-1-git-send-email-jean.pihet@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1390399879-5109-1-git-send-email-jean.pihet@linaro.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jean, On Wed, Jan 22, 2014 at 02:11:15PM +0000, Jean Pihet wrote: > Add AARCH64 specific support. This includes the following: > - AARCH64 perf registers definition and hooks, > - compat mode registers use, i.e. profiling a 32-bit binary on > a 64-bit system, > - unwinding using the dwarf information from the .debug_frame > section of the ELF binary, > - unwinding using the frame pointer information; in 64-bit and > compat modes. > > Note: support for unwinding using the dwarf information in compat > mode requires some changes to the libunwind code. Those changes > have been submitted on the libunwind ML and are in discussion. > > Tested on ARMv7, ARMv8 and x86_64 platforms. The compat mode has been > tested on ARMv8 using statically built 32-bit binaries. This is look alright to me now, but there are still two blockers: (1) Getting the libunwind code merged (2) Splitting this into an arch/arm64 series and a tools/perf series, so that acme can merge the latter independently (and avoid the mess we had last time). Anyway, for the series: Acked-by: Will Deacon Will -- 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/