This commit does not apply cleanly due to other changes. Is there something I can do to make it easier. This line: If (data->is_pipe) { Must be changed to: If (file->is_pipe) { Let me know if there is a more standard way of communicating cherry-picked changes for inclusion. -----Original Message----- From: Jinpu Wang [mailto:jinpuwang@xxxxxxxxx] Sent: Friday, December 21, 2018 2:58 AM To: Greensky, James J <james.j.greensky@xxxxxxxxx>; Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx; v3.14+, only the raid10 part <stable@xxxxxxxxxxxxxxx> Subject: Re: Fix "perf tools: Synthesize GROUP_DESC feature in pipe mode" in the LT 4.14 branch +cc Greg, stable Greensky, James J <james.j.greensky@xxxxxxxxx> 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? >