On Tue, Aug 30, 2022 at 02:49:05PM -0700, Suren Baghdasaryan wrote: > Redefine kmalloc, krealloc, kzalloc, kcalloc, etc. to record allocations > and deallocations done by these functions.
One particular case when this functionality might be very useful: in the past we've seen examples (at Fb) where it was hard to understand the difference between slab memory sizes of two different kernel versions due to slab caches merging. Once a slab cache is merged with another large cache, this data is pretty much lost. So I definetely see value in stats which are independent from kmem caches. The performance overhead is a concern here, so more data would be useful. Thanks!
