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[23.128.96.19]) by mx.google.com with ESMTPS id j17-20020a170903029100b00153b2d1653asi3397507plr.322.2022.03.25.15.33.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Mar 2022 15:33:57 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=hQQ8llIi; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 471C91621AA; Fri, 25 Mar 2022 15:07:52 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233766AbiCYWJV (ORCPT + 99 others); Fri, 25 Mar 2022 18:09:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233742AbiCYWJT (ORCPT ); Fri, 25 Mar 2022 18:09:19 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4170532EE6; Fri, 25 Mar 2022 15:07:45 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CF6F661301; Fri, 25 Mar 2022 22:07:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10676C340ED; Fri, 25 Mar 2022 22:07:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648246064; bh=JA7X9DXFOgnaCslKi7MjdG2Cm8f7cAztxV6RoopqFac=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hQQ8llIiOO72O0syag3DN8OLb1UEqemLbQI1msZd6EN7qEag8TzT37bnSQ25HCEdk 5b9bS/ou0UAIi8BW7BXRkyxIBRuDHKdgD+aYo+6Fd7PPpd3ezxhqwt0Rq5H007K8hV 7RQ1tcj/ONvNw/iFalV41oUme3NC/S1xv+3JcbFqF3r2hMatvFGMuh5SkE4KP86lfN a7CbDdo0yus8pI6QVzeEn7jJT2G0CEXTDZc2z3/T/flXTF9nDhTTjlSXn7dBNt9NgU Vzf3gr0KKq/T3GrotcVDyjP5DSsdq2xynJfV1EuBG9g0ggHliqG8g0oGnx+57Euv2M wmhj/CUBYTpFQ== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 8CBDF40407; Fri, 25 Mar 2022 19:07:40 -0300 (-03) Date: Fri, 25 Mar 2022 19:07:40 -0300 From: Arnaldo Carvalho de Melo To: Adrian Hunter Cc: "Steinar H. Gunderson" , Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] perf intel-pt: Synthesize cycle events Message-ID: References: <20220322082452.1429091-1-sesse@google.com> <52d31321-66e1-f189-2ffc-7c93239eea74@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52d31321-66e1-f189-2ffc-7c93239eea74@intel.com> X-Url: http://acmel.wordpress.com X-Spam-Status: No, score=-3.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Wed, Mar 23, 2022 at 09:58:00AM +0200, Adrian Hunter escreveu: > On 22/03/2022 23:53, Steinar H. Gunderson wrote: > > On Tue, Mar 22, 2022 at 06:32:18PM -0300, Arnaldo Carvalho de Melo wrote: > >> I saw there was some issue, should I proceed and apply this v3 patch or > >> wait for some v4? > > > > There are two issues in play: > > > > 1. PT event synth doesn't support reading inline information from DWARF > > yet, and my patch to add it runs into some problems. This is not > > relevant for this patch at all. > > 2. The results from v3 don't quite match the ones from v1, and neither > > of us are entirely sure why. My personal feeling is that the one > > from v1 are the wrong ones, but it's up to Adrian to say whether we > > want to try to investigate deeply here. > > V3 is good. Please take that. Thanks, applied. - Arnaldo