Messages in this thread | | | Date | Tue, 10 Sep 2019 09:31:20 +0200 | From | Michal Hocko <> | Subject | Re: [LKP] [mm, memcg] 1e577f970f: will-it-scale.per_process_ops -7.2% regression |
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On Tue 10-09-19 15:08:41, Huang, Ying wrote: > Michal Hocko <mhocko@kernel.org> writes: > > > On Mon 09-09-19 10:15:44, kernel test robot wrote: > >> Greeting, > >> > >> FYI, we noticed a -7.2% regression of will-it-scale.per_process_ops due to commit: > > > > What is the memcg setup for this test? > > Except enabling memcg in kernel config, we don't do any special > setup for memcg for the test.
OK, this is really interesting because the local events introduced by this commits do not apply to the root memcg. So this smells like another case when a microbenchmark is sensitive on the memcg layout changes. -- Michal Hocko SUSE Labs
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