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
Date: Fri, 21 Dec 2018 19:27:18 -0500 [thread overview]
Message-ID: <20181222002718.GL86645@sasha-vm> (raw)
In-Reply-To: <CAD9gYJKvcn5kzMKhHU2UO=99Vdus_v=5D-fZb6-+Fy=gDokZFA@mail.gmail.com>
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
prev parent reply other threads:[~2018-12-22 0:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-20 21:25 Fix "perf tools: Synthesize GROUP_DESC feature in pipe mode" in the LT 4.14 branch Greensky, James J
2018-12-21 10:57 ` Jinpu Wang
2018-12-21 22:43 ` Greensky, James J
2018-12-22 19:07 ` Sasha Levin
2018-12-22 0:27 ` Sasha Levin [this message]
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