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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D857DECE58C for ; Mon, 7 Oct 2019 15:01:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B41392070B for ; Mon, 7 Oct 2019 15:01:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728048AbfJGPB1 (ORCPT ); Mon, 7 Oct 2019 11:01:27 -0400 Received: from mga01.intel.com ([192.55.52.88]:4002 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727490AbfJGPB1 (ORCPT ); Mon, 7 Oct 2019 11:01:27 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Oct 2019 08:01:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,268,1566889200"; d="scan'208";a="344756271" Received: from um.fi.intel.com (HELO localhost) ([10.237.72.57]) by orsmga004.jf.intel.com with ESMTP; 07 Oct 2019 08:01:22 -0700 From: Alexander Shishkin To: Ingo Molnar Cc: Peter Zijlstra , Arnaldo Carvalho de Melo , Ingo Molnar , linux-kernel@vger.kernel.org, alexander.shishkin@linux.intel.com Subject: Re: [PATCH] perf: Fix inheritance of aux_output groups In-Reply-To: <20191007144954.GA88143@gmail.com> References: <20191004125729.32397-1-alexander.shishkin@linux.intel.com> <20191007144954.GA88143@gmail.com> Date: Mon, 07 Oct 2019 18:01:21 +0300 Message-ID: <875zl061mm.fsf@ashishki-desk.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar writes: > * Alexander Shishkin wrote: > >> Commit >> >> b43762ef010 ("perf: Allow normal events to output AUX data") > > Missing 'a', the proper SHA1 is: > > ab43762ef010 ("perf: Allow normal events to output AUX data") > > :-) Ouch, sorry about that. > Could this explain weird 'perf top' failures I'm seeing on my desktop, > which I was just about to debug and report? Unlikely; to trigger the above you'd have to manually enable the aux_output thingy and that would require HW support to begin with. Thanks, -- Alex