1 files changed, 6 insertions, 1 deletions

diff --git a/docs/dev/architecture.md b/docs/dev/architecture.md
index 7a88ebc0f..081ee5b9d 100644
--- a/docs/dev/architecture.md
+++ b/docs/dev/architecture.md
@@ -372,11 +372,11 @@ Tests which directly call various API functions are a liability, because they ma
 So most of the tests look like this:
 
 ```rust
+#[track_caller]
 fn check(input: &str, expect: expect_test::Expect) {
     // The single place that actually exercises a particular API
 }
 
-
 #[test]
 fn foo() {
     check("foo", expect![["bar"]]);
@@ -397,6 +397,11 @@ There's no additional checks in CI, formatting and tidy tests are run with `carg
 
 **Architecture Invariant:** tests do not depend on any kind of external resources, they are perfectly reproducible.
 
+
+### Performance Testing
+
+TBA, take a look at the `metrics` xtask and `#[test] fn benchmark_xxx()` functions.
+
 ### Error Handling
 
 **Architecture Invariant:** core parts of rust-analyzer (`ide`/`hir`) don't interact with the outside world and thus can't fail.