Switch to Criterion for benchtests.

ci: Add benches to workflow.

Signed-off-by: Jason Volk <jason@zemos.net>

src/database/benches/ser.rs

@@ -0,0 +1,19 @@
+use criterion::{Criterion, criterion_group, criterion_main};
+
+criterion_group!(benches, ser_str,);
+
+criterion_main!(benches);
+
+fn ser_str(b: &mut Criterion) {
+	b.bench_function("ser_str", |c| {
+		use tuwunel_core::ruma::{RoomId, UserId};
+		use tuwunel_database::serialize_to_vec;
+
+		let user_id: &UserId = "@user:example.com".try_into().unwrap();
+		let room_id: &RoomId = "!room:example.com".try_into().unwrap();
+		c.iter(|| {
+			let key = (user_id, room_id);
+			let _s = serialize_to_vec(key).expect("failed to serialize user_id");
+		});
+	});
+}