Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756310AbaGIOFV (ORCPT ); Wed, 9 Jul 2014 10:05:21 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:40286 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756274AbaGIOFT (ORCPT ); Wed, 9 Jul 2014 10:05:19 -0400 Date: Wed, 9 Jul 2014 15:04:28 +0100 From: Will Deacon To: Jean Pihet Cc: "linux-kernel@vger.kernel.org" , "linaro-kernel@lists.linaro.org" , "linux-arm-kernel@lists.infradead.org" , Jiri Olsa , Ingo Molnar , Arnaldo Carvalho de Melo , "steve.capper@linaro.org" Subject: Re: [PATCH 0/3] ARM: perf: allow tracing with kernel tracepoints events Message-ID: <20140709140427.GP9485@arm.com> References: <1404740710-14691-1-git-send-email-jean.pihet@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1404740710-14691-1-git-send-email-jean.pihet@linaro.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jean, On Mon, Jul 07, 2014 at 02:45:07PM +0100, Jean Pihet wrote: > - Robustify the user backtrace code, as done on other architectures. > - Provide the symbols resolution when triggering from tracepoints. > > Big thanks to Steve Capper for the help in debugging and rephrasing the > commits descriptions. > > Stress tested with perf record and tracepoints triggering (-e ), > with unwinding using fp (--call-graph fp) and dwarf info (--call-graph dwarf). I've taken the first two in this series, but patch 3 still doesn't address my concerns about saving the required register state for unwinding. Thanks! 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/