Messages in this thread | | | Date | Thu, 4 Nov 2021 06:59:35 -0400 | Subject | Re: [RFC PATCH v3 0/3] Introduce BPF map tracing capability | From | Jamal Hadi Salim <> |
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On 2021-11-03 13:12, Joe Burton wrote: > That's a good point. Since the probe is invoked before the update takes > place, it would not be possible to account for the possibility that the > update failed. > > Unless someone wants the `pre update' hook, I'll simply adjust the > existing hooks' semantics so that they are invoked after the update. > As discussed, this better suits the intended use case. >
If the goal is to synchronize state between two maps (if i understood correctly the intent) then it is more useful to go post-update.
cheers, jamal
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