Exploring a language runtime with bpftrace

So I have been having quite a bit of fun learning about eBPF. It’s been on my todo list for like two or three years, but I’ve finally made the time to actually start to figure it out, and have already found some neat stuff, and had to do some fun hacking. Let’s set the stage. eBPF is an instrumentation and tracing system built into Linux (and Windows these days!). The general thrust of it is that…