Go Allocation Probe
Published 2025-07-18 The profiling tools in go will tell you where allocations happened in the code, but won't record the type of the allocation. I suspected that in the code I was looking at, some specific types were causing a lot of allocation but that those allocations were spread over many locations. So with the help of Matt Knight I wrote perhaps the most appallingly fragile code I have ever written - go_allocation_probe. Every heap allocation in go afaict goes through a single function -