From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754197AbaCMKTh (ORCPT ); Thu, 13 Mar 2014 06:19:37 -0400 Received: from fw-tnat.austin.arm.com ([217.140.110.23]:41524 "EHLO collaborate-mta1.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753939AbaCMKTe (ORCPT ); Thu, 13 Mar 2014 06:19:34 -0400 Date: Thu, 13 Mar 2014 10:19:07 +0000 From: Catalin Marinas To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, will.deacon@arm.com, acme@ghostprotocols.net, jean.pihet@linaro.org, jolsa@redhat.com, tglx@linutronix.de Cc: linux-tip-commits@vger.kernel.org Subject: Re: [tip:perf/core] ARM64, perf: Add support for perf registers API Message-ID: <20140313101907.GC17308@arm.com> References: <1391451509-31265-2-git-send-email-jean.pihet@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Ingo, On Thu, Mar 13, 2014 at 12:27:45AM -0700, tip-bot for Jean Pihet wrote: > Commit-ID: 1acfb01a43db9d8cde2d4c1d51746bae0b46b06b > Gitweb: http://git.kernel.org/tip/1acfb01a43db9d8cde2d4c1d51746bae0b46b06b > Author: Jean Pihet > AuthorDate: Mon, 3 Feb 2014 19:18:27 +0100 > Committer: Ingo Molnar > CommitDate: Wed, 12 Mar 2014 13:45:28 +0100 > > ARM64, perf: Add support for perf registers API > > This patch implements the functions required for the perf > registers API, allowing the perf tool to interface kernel > register dumps with libunwind in order to provide userspace > backtracing. Compat mode is also supported. > > Only the general purpose user space registers are exported, > i.e.: PERF_REG_ARM_X0, > ... > PERF_REG_ARM_X28, > PERF_REG_ARM_FP, > PERF_REG_ARM_LR, > PERF_REG_ARM_SP, > PERF_REG_ARM_PC > and not the PERF_REG_ARM_V* registers. > > Signed-off-by: Jean Pihet > Acked-by: Will Deacon > Cc: Arnaldo > Cc: Jiri Olsa > Cc: patches@linaro.org > Cc: linaro-kernel@lists.linaro.org > Cc: linux-arm-kernel@lists.infradead.org > Link: http://lkml.kernel.org/r/1391451509-31265-2-git-send-email-jean.pihet@linaro.org > Signed-off-by: Ingo Molnar > --- > arch/arm64/Kconfig | 2 ++ > arch/arm64/include/asm/ptrace.h | 1 + > arch/arm64/include/uapi/asm/Kbuild | 1 + > arch/arm64/include/uapi/asm/perf_regs.h | 40 ++++++++++++++++++++++++++++++ > arch/arm64/kernel/Makefile | 1 + > arch/arm64/kernel/perf_regs.c | 44 +++++++++++++++++++++++++++++++++ > 6 files changed, 89 insertions(+) As I replied to Jean yesterday, I merged the arch/arm64 patches already in the arm64 tree. Is it late to drop them from tip (and avoid potential conflicts)? But please take the perf tools patch (tools/perf/arch/arm64/...). Thanks. -- Catalin