Messages in this thread | | | Date | Fri, 15 Dec 2023 10:16:37 -0800 | Subject | Re: [PATCH] x86/split_lock: add split lock counter | From | Dave Hansen <> |
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On 12/15/23 06:01, Maksim Davydov wrote: > Provides per task split locks counter to monitor split locks rate > in the system. It can be helpful in split locks monitoring to get a clear > sense of which process causing split locks and how many of them have > happened by the moment. For instance, it might be used by cloud providers > who can't control guest executable code and want to make decisions based > on the rate value like ratelimiting or notifing the split lock origins.
Have you considered doing this with tracing instead?
It seems a _little_ silly for everyone to pay the cost of having that counter around.
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