3 files changed, 15 insertions, 7 deletions
diff --git a/src/tests/Cargo.toml b/src/tests/Cargo.toml
index d4d9ab2..b40694f 100644
--- a/src/tests/Cargo.toml
+++ b/src/tests/Cargo.toml
@@ -2,4 +2,7 @@
 resolver = "2"
 members = [
         "example_stack",
-]
-\ No newline at end of file
+]
+
+[workspace.dependencies]
+criterion = "0.3"
diff --git a/src/tests/example_stack/Cargo.toml b/src/tests/example_stack/Cargo.toml
index 3e3e617..55e4338 100644
--- a/src/tests/example_stack/Cargo.toml
+++ b/src/tests/example_stack/Cargo.toml
@@ -8,6 +8,9 @@ edition = "2021"
 [dependencies]
 primrose-library = { path = "../../crates/library" }
 
+[dev-dependencies]
+criterion = { workspace = true }
+
 [[bench]]
 name = "do_stuff"
-harness = false
-\ No newline at end of file
+harness = false
diff --git a/src/tests/example_stack/benches/do_stuff.rs b/src/tests/example_stack/benches/do_stuff.rs
index 69d50d5..c7e2e23 100644
--- a/src/tests/example_stack/benches/do_stuff.rs
+++ b/src/tests/example_stack/benches/do_stuff.rs
@@ -1,6 +1,8 @@
-fn main() {
-    // TODO: some actual benchmarking, not just a random loop
-    for _ in 0..20 {
-        example_stack::do_something();
-    }
+use criterion::{criterion_group, criterion_main, Criterion};
+
+fn run_benches(c: &mut Criterion) {
+    c.bench_function("do_something", |b| b.iter(|| example_stack::do_something()));
 }
+
+criterion_group!(benches, run_benches);
+criterion_main!(benches);