在 2020/3/4 下午5:03, Rong Chen 写道: >> Hi Andrew, >> >> Thanks a lot for comments! >> Yes, this patch is essential for all next. >> >> Consider the normal memory testing would focus on user page, that probabably with PageLRU. >> >> Fengguang's vm-scalibicase-small-allocs which used a lots vm_area_struct slab, which may >> got some impact. 0day/Cheng Rong is working on the test. In my roughly testing, it may drop 5% on my >> 96threads/394GB machine. >> >> Thanks >> Alex > Hi, > > We only tested one case and found a slight regression of vm-scalability.median from this patch set: > > Test case: small allocs > ========================================================================================= > compiler/cpufreq_governor/kconfig/rootfs/runtime/tbox_group/test/testcase/ucode: > gcc-7/performance/x86_64-rhel-7.6/debian-x86_64-20191114.cgz/300s/lkp-ivb-d02/small-allocs/vm-scalability/0x21 It's a very acceptable result! Thanks a lot for so quick testing! I believe your results would be far more stable than me. :) (My testing show quit different result in 2 reboot(1.3% or 6.6% drop). Maybe sth wrong for me in this case.) Thanks for your report! Alex
