dirstate-tree: Add #[timed] attribute to `status` and `DirstateMap::read`...
dirstate-tree: Add #[timed] attribute to `status` and `DirstateMap::read`
When running with a `RUST_LOG=trace` environment variable, the `micro_timer`
crate prints the duration taken by each call to functions with that attribute.
Differential Revision:
https://phab.mercurial-scm.org/D10552
