From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 016E0C432BE for ; Tue, 3 Aug 2021 12:29:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E049860F70 for ; Tue, 3 Aug 2021 12:29:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235787AbhHCMaB (ORCPT ); Tue, 3 Aug 2021 08:30:01 -0400 Received: from foss.arm.com ([217.140.110.172]:48722 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235709AbhHCMaA (ORCPT ); Tue, 3 Aug 2021 08:30:00 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2831B11FB; Tue, 3 Aug 2021 05:29:49 -0700 (PDT) Received: from [10.57.36.239] (unknown [10.57.36.239]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D6EEC3F40C; Tue, 3 Aug 2021 05:29:46 -0700 (PDT) Subject: Re: [PATCH 3/6] perf cs-etm: Save TRCDEVARCH register To: Leo Yan , Mike Leach Cc: Arnaldo Carvalho de Melo , Mathieu Poirier , Coresight ML , Al Grant , "Suzuki K. Poulose" , Anshuman Khandual , John Garry , Will Deacon , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-arm-kernel , Linux Kernel Mailing List , linux-perf-users@vger.kernel.org References: <20210721090706.21523-1-james.clark@arm.com> <20210721090706.21523-4-james.clark@arm.com> <20210731074343.GG7437@leoy-ThinkPad-X240s> <20210802120545.GJ7437@leoy-ThinkPad-X240s> From: James Clark Message-ID: Date: Tue, 3 Aug 2021 13:29:45 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210802120545.GJ7437@leoy-ThinkPad-X240s> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/08/2021 13:05, Leo Yan wrote: > If so, I understand your suggestion in another email to add a new magic > number and a new protocol (this patch set has added the new protocol > CS_ETM_PROTO_ETE) for creating ETE decoder. Yes this is what I'm working on now. I think that it's actually cleaner than the previous change where there was some half way solution that old versions of perf wouldn't properly decode ETE but would try to anyway. James