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eBPF has been invaluable in my field (low-latency linux applications) and it changed a lot. If you had problems working with kernel modules before, you probabl
by bitcharmer 7y ago
eBPF has been invaluable in my field (low-latency linux applications) and it changed a lot.
If you had problems working with kernel modules before, you probably should expect struggling with writing correct code for eBPF too. It's not for everyone.
- bibabaloo 7y agoCan you share the sort of things you've been doing with it?
- bitcharmer 7y agoMost recently I used ebpf to track which other threads were stealing cpu time (and how much) from my latency sensitive cpu-pinned thread. You can do almost anything, the level of introspection into the kernel internals is amazing.