Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 25 Jan 2023 10:51:05 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH mm-unstable] lib/Kconfig.debug: do not enable DEBUG_PREEMPT by default |
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On Thu 26-01-23 00:41:15, Hyeonggon Yoo wrote: [...] > > Do you happen to have any perf data collected during those runs? I > > would be interested in the memcg side of things. Maybe we can do > > something better there. > > Yes, below is performance data I've collected. > > 6.1.8-debug-preempt-dirty > ========================= > Overhead Command Shared Object Symbol > + 9.14% hackbench [kernel.vmlinux] [k] check_preemption_disabled
Thanks! Could you just add callers that are showing in the profile for this call please? -- Michal Hocko SUSE Labs
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