Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Fri, 21 Dec 2018 19:27:18 -0500
From:   Sasha Levin <sashal@kernel.org>
To:     Jinpu Wang <jinpuwang@gmail.com>
Cc:     "Greensky, James J" <james.j.greensky@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "v3.14+, only the raid10 part" <stable@vger.kernel.org>
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>
 <CAD9gYJKvcn5kzMKhHU2UO=99Vdus_v=5D-fZb6-+Fy=gDokZFA@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <CAD9gYJKvcn5kzMKhHU2UO=99Vdus_v=5D-fZb6-+Fy=gDokZFA@mail.gmail.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Fri, Dec 21, 2018 at 11:57:53AM +0100, Jinpu Wang wrote:
>+cc Greg, stable
>
>Greensky, James J <james.j.greensky@intel.com> 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