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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 EC151C43387 for ; Sat, 22 Dec 2018 00:27:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BA5A52190A for ; Sat, 22 Dec 2018 00:27:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545438442; bh=6IkoMxUDeM8KFBGRVzD12zvIf4Q6If4P2+cTkGUhIX4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=NPj3QTKFPCP2TqeAOcvksOySNd11sHHzTTWBaH5Ckxod+tIvtZ6Jp+5NoFBGXyvzg odl+8ZULChyYOrNWCl/H/dUnPQ9xcNv5nK5P6jdUDEOl47I3AVzC9CNX2R3vCfHgeV u6hTitgkPTgaUuiLpwyetWjt9Tq5BGZ9hqWmCRW0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390898AbeLVA1V (ORCPT ); Fri, 21 Dec 2018 19:27:21 -0500 Received: from mail.kernel.org ([198.145.29.99]:51018 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387684AbeLVA1U (ORCPT ); Fri, 21 Dec 2018 19:27:20 -0500 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 717BC2190A; Sat, 22 Dec 2018 00:27:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545438439; bh=6IkoMxUDeM8KFBGRVzD12zvIf4Q6If4P2+cTkGUhIX4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XltnPW7/UGVrxrQxqhQtnhkTBYPJ/ZsEEGcKd2qa3N9Pkg1kkb5r7xan991YrHzIC joc3xMOSiZ6jKt6jWA2WGwZDYynak/l6NvMAc1dwED/5wXwmVm2ZPEPTV0FrxAZWNE IGuhQ87zJreW/2D/Sx6IMLUsdf+c7vawhxZEC3gs= Date: Fri, 21 Dec 2018 19:27:18 -0500 From: Sasha Levin To: Jinpu Wang Cc: "Greensky, James J" , Greg Kroah-Hartman , "linux-kernel@vger.kernel.org" , "v3.14+, only the raid10 part" Subject: Re: Fix "perf tools: Synthesize GROUP_DESC feature in pipe mode" in the LT 4.14 branch Message-ID: <20181222002718.GL86645@sasha-vm> References: <05BD5679F4A9234798A0693ABF94E75ADFF7F3A5@ORSMSX101.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 21, 2018 at 11:57:53AM +0100, Jinpu Wang wrote: >+cc Greg, stable > >Greensky, James J 于2018年12月21日周五 上午11:48写道： >> >> Commit d38d272592737ea88a20 ("perf tools: Synthesize GROUP_DESC feature in pipe mode") broke the LT 4.14 branch when using event groups in pipe-mode. >> >> # perf record -e '{cycles,instructions,branches}' -- sleep 4 | perf report >> # To display the perf.data header info, please use --header/--header-only options >> # >> Oxd7c [0x60]: failed to process type: 80 >> Error: >> Failed to process sample >> >> Commit a2015516c5c0be932a69 ("perf record: Synthesize features before events in pipe mode") is the fix. Can we get this cherry-picked and applied? I've queued d38d272592737ea88a20 for 4.14, thank you. -- Thanks, Sasha