add cpuprofile to ra_prof

Now, one can use `let _p = ra_prof::cpu_profiler()` to capture profile
of a block of code.

This is not an out of the box experience, as that relies on gperfools

See the docs on https://github.com/AtheMathmo/cpuprofiler for more!

1 files changed, 4 insertions, 0 deletions

diff --git a/crates/ra_batch/Cargo.toml b/crates/ra_batch/Cargo.toml
index 7d8837fc3..f521937c5 100644
--- a/crates/ra_batch/Cargo.toml
+++ b/crates/ra_batch/Cargo.toml
@@ -15,5 +15,9 @@ ra_ide_api = { path = "../ra_ide_api" }
 ra_hir = { path = "../ra_hir" }
 ra_project_model = { path = "../ra_project_model" }
 
+[dependencies.ra_prof]
+path = "../ra_prof"
+# features = [ "cpuprofiler" ]
+
 [dev-dependencies]
 test_utils = { path = "../test_utils" }