> Is there a way to determine who has cached and who is using a specific > buffer? > Is allocation of buffers bounded to a specific numa node? Or can they > allocate across numa nodes? If so, how is this determined?
As mentioned by Damjan this would be too expensive in general. However if you are trying to debug something, I have this patch https://gerrit.fd.io/r/c/vpp/+/27338 which saves the backtrace for each buffer alloc/free in debug build. It is expensive but it can help troubleshooting. ben
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