FYI, we noticed the below changes on commit d9b7e4f717a167610a49ceb9e5969e80146c89a8 ("ipmi: Periodically check to see if irqs and messages are set right") testbox/testcase/testparams: avoton3/idle/performance-10m 6a11e5c67a397e9a d9b7e4f717a167610a49ceb9e5 ---------------- -------------------------- %stddev %change %stddev \ | \ 0.10 ± 0% +52.5% 0.15 ± 2% turbostat.%Busy 2 ± 0% +50.0% 3 ± 0% turbostat.Avg_MHz turbostat.%Busy 0.2 ++----O-O------------------------------------------------------------+ | | 0.18 ++ | | | | | 0.16 ++ O O O O O O O O O O O O O O | O O O O O O O O | 0.14 ++ | | | 0.12 ++ *.* * | | .. + : + | | .* + : + | 0.1 *+ *.. .*.*.. .*..* *..*..*.*..*..*..*.*..*..*..*.*..*..* | *. *. | 0.08 ++-------------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample To reproduce: apt-get install ruby ruby-oj git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance.