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Anybody else chuckling at the irony here that eBPF is inspired by dtrace which was invented by Cantrill?

No.

If you want to do stuff like this, anything you use to do it will have to look a lot like eBPF. eBPF doesn't make it easy, it only makes it possible. But dtrace was not eBPF.

Well, it would have been hard to be eBPF because it pre-dated it. But perhaps you meant to say that eBPF is not DTrace? On that point, certainly agreed.

Dtrace provided huge value for quite little implementation effort. It has taken a positively enormous amount of more grueling, detailed work to make eBPF much more capable. It might not have been done without dtrace demonstrating the value available, but I credit eBPF to the people who did that hard work.

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