Relevant discussion on profiling without frame pointers: https://twitter.com/halvarflake/status/1577644229853151233 / https://prodfiler.com/blog/introducing-prodfiler/ via the "prodfiler" tool.
Web page: "always-on profiling powered by eBPF technology."
BPF stack traces are gathered using frame pointers:
https://github.com/torvalds/linux/blob/master/kernel/bpf/sta...
https://github.com/torvalds/linux/blob/master/arch/x86/event...