Alex Crichton 2f12e6e4f3 Add a Rust implementation of coz.h ... After seeing a recording of Emery's recent talk at Strange Loop I was super impressed with `coz` and immediately wanted to try it out with Rust code! I was curious to see if `coz` could help us out with profiling either Cargo, Rust's build system, or perhaps the compiler itself, `rustc`. In any case I ended up creating https://github.com/alexcrichton/coz-rs as a repository to house an implementation of `coz.h` for Rust so `coz` could be used to easily work with Rust executables. I toyed around a bit and Emery [mentioned] that this would be good support to have upstream once it's working, and I think it's working now! I haven't been able to get a ton of useful results myself yet, but I'm still figuring out the best way to ask `coz` questions and the best way to instrument programs myself. Nonetheless I think that the Rust support here is correct in the sense that it's a faithful translation of `coz.h`, and now it's just a problem with me learning how best to instrument programs. This commit adds a new `rust` directory with a crate (Rust parlance for "library") which provides macros that allow using `coz` instrumentation similar as you would in C, except in idiomatic Rust style. I've published the crate on Rust's package registry, crates.io, as [`coz`][crate], and I don't mind keeping it there or transferring it to y'all, whichever you'd prefer! I also don't mind being on the hook for reviewing any Rust-related changes, or if y'all need to jettison the Rust support in the future I don't mind that either and can give it a home! [mentioned]: https://github.com/alexcrichton/coz-rs/issues/2 [crate]: https://crates.io/crates/coz		2019-09-25 11:07:44 -07:00
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smoke.rs	Add a Rust implementation of coz.h	2019-09-25 11:07:44 -07:00