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authorAman Arora <me@aman-arora.com>2021-05-05 15:57:08 -0400
committerAman Arora <me@aman-arora.com>2021-06-28 14:21:55 -0400
commitfc273e9bf2ab4594e8dcdb737b63bffb3f6b08c9 (patch)
tree5d4c81800d048385b8b3d24b8f70bad4ad03bdae /compiler/rustc_query_impl/src
parent3e9d7ecf784e5ecaf7437d04be3992ad23fa7cb6 (diff)
downloadrust-fc273e9bf2ab4594e8dcdb737b63bffb3f6b08c9.tar.gz
rust-fc273e9bf2ab4594e8dcdb737b63bffb3f6b08c9.zip
Introduce -Zprofile-closures to evaluate the impact of 2229
This creates a CSV with name "closure_profile_XXXXX.csv", where the
variable part is the process id of the compiler.

To profile a cargo project you can run one of the following depending on
if you're compiling a library or a binary:

```
cargo +stage1 rustc --lib -- -Zprofile-closures
cargo +stage1 rustc --bin -- -Zprofile-closures
```
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