From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 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: Sender: stable-owner@vger.kernel.org List-ID: 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