Nice to see Milind and the rest of the team are still making progress! One of the alternatives explored in the original proposal was using a go library that wraps perf, which I explored quite a bit previously. I haven't had time to continue that work, but it is possible to use a perf library within benchmarks (ex: https://github.com/hodgesds/compressbench) to some success. Getting this profiler merged into runtime would be really nice. Alternatively, if someone wants to extend a perf library that is able to resolve runtime stacks using eBPF that could be an interesting alternative.