Messages in this thread | | | Date | Fri, 21 Dec 2018 19:27:18 -0500 | From | Sasha Levin <> | Subject | Re: Fix "perf tools: Synthesize GROUP_DESC feature in pipe mode" in the LT 4.14 branch |
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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
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