Perf test framework (#2522)

* first test in core

* some config changes

* quick rename

* perf tests yaml

* update version for package

* quick update

* dsfsd

* add one extra test

* cleanup

* cleanup

* move dep

* cargo again

* update

* Update CONTRIBUTING.md

Co-authored-by: Heath Stewart <[email protected]>

* pr comments

* rustc1.81

* update to 1.81 rustc in contrib

---------

Co-authored-by: Heath Stewart <[email protected]>

Author: gearama

CONTRIBUTING.md

@@ -4,7 +4,7 @@
 
 - [Rust toolchain](https://www.rust-lang.org/tools/install)
 
-  When you run `cargo build`, toolchain version [1.80](https://releases.rs/docs/1.80.0/) and necessary components will be installed automatically.
+  When you run `cargo build`, toolchain version [1.81](https://releases.rs/docs/1.81.0/) and necessary components will be installed automatically.
 
 - (Recommended) If you use [Visual Studio Code], install recommended extensions to improve your development experience.
 
@@ -311,6 +311,13 @@ Once all of the above steps are met, the following process will be followed:
   - One exception is when a comment clearly states that the feedback is optional or just a nit
   - When in doubt, reach out to the commenter to confirm that they have no concerns with you merging without addressing a comment.
 
+### Performance Testing
+
+Performance testing is supported via [criterion](https://bheisler.github.io/criterion.rs/book/criterion_rs.html)
+There are samples of performance tests under `sdk/core/azure_core/benches` folder.
+To execute the performance tests in `azure_core` folder you can run `cargo bench` in the `sdk/core/azure_core` folder.
+The output of the tests will be presented in the command line as well as saved under the `target/criterion` folder.
+
 ## Samples
 
 ### Third-party dependencies

Cargo.lock

@@ -28,7 +28,7 @@ authors = ["Microsoft"]
 edition = "2021"
 license = "MIT"
 repository = "https://github.com/azure/azure-sdk-for-rust"
-rust-version = "1.80"
+rust-version = "1.81"
 
 [workspace.dependencies.typespec]
 default-features = false
@@ -80,6 +80,7 @@ base64 = "0.22"
 bytes = "1.0"
 cargo_metadata = "0.18.1"
 clap = { version = "4.4.16", features = ["derive"] }
+criterion = "0.5.1"
 dyn-clone = "1.0"
 fe2o3-amqp = { version = "0.12", features = ["native-tls", "tracing", "uuid"] }
 fe2o3-amqp-ext = { version = "0.12" }