Greeting, There is no primary kpi change in this test, below is the data collected through multiple monitors running background just for your information. commit: 47c2d84f2dc7d29d10713beef3ec1239ec60f883 ("mm: remove the page size change check in tlb_remove_page") https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master in testcase: pbzip2 on test machine: 48 threads 2 sockets Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz with 64G memory with following parameters: nr_threads: 25% blocksize: 900K cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml testcase/path_params/tbox_group/run: pbzip2/25%-900K-performance/ivb42 7a8e9a729179b749 47c2d84f2dc7d29d10713beef3 ---------------- -------------------------- %stddev change %stddev \ | \ 2249503 -64% 812158 interrupts.CAL:Function_call_interrupts 1778 ± 4% 8% 1925 vmstat.system.cs 57359 -8% 52680 vmstat.system.in 530318 ± 4% 9% 575717 perf-stat.context-switches 4.804e+09 4.746e+09 perf-stat.node-stores 60.89 60.12 perf-stat.iTLB-load-miss-rate% 86802648 85115436 perf-stat.iTLB-loads 1.351e+08 -5% 1.283e+08 perf-stat.iTLB-load-misses 0.04 -7% 0.04 perf-stat.dTLB-store-miss-rate% 7.374e+08 -21% 5.844e+08 ± 3% perf-stat.dTLB-load-misses interrupts.CAL:Function_call_interrupts 2.4e+06 ++----------------------------------------------------------------+ ** **.** *.* * *** *.** *****. **** .** **** * ** **.****| 2.2e+06 ++* ***** * * * * * *** * **.* * * * 2e+06 ++ | | | 1.8e+06 ++ | 1.6e+06 ++ | | | 1.4e+06 ++ | 1.2e+06 ++ | | | 1e+06 ++ | 800000 ++ OO OOOOOO OO OO | OOO OO O | 600000 ++----------------------------------------------------------------+ vmstat.system.in 58000 ++------------------------------------------------------------------+ * *. ** .* ** * ** * ** * * ** * * * *.** * 57000 +** ** ** ** **.*** :*.* ** *.* ** *.* ** *.* ** :+ ** * *| | * * * | 56000 ++ | | | 55000 ++ | | | 54000 ++ | | | 53000 ++ O O O O O | | O OO O O O O O | 52000 OOO OO | | | 51000 ++------------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample 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. Thanks, Xiaolong