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DTrace probes in Rust
DTrace’s User-land Statically-Defined Tracing (USDT) was… kind of an accident. Bryan has (kindly) retconned the genesis of USDT as a way to understand dynamic languages[citation needed]. Indeed, it’s been essential for that, but its origins were much less ambitious or prescient. Way back in the 1990s(!) Jeff Bonwick had created a program called lockstat(1M) for […]...