diff --git a/metrics/__init__.py b/metrics/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/metrics/__main__.py b/metrics/__main__.py
new file mode 100644
index 0000000..e69de29
diff --git a/metrics/benchmarks/pre_cycle_setup.py b/metrics/benchmarks/pre_cycle_setup.py
new file mode 100644
index 0000000..419a34f
--- /dev/null
+++ b/metrics/benchmarks/pre_cycle_setup.py
@@ -0,0 +1,117 @@
+from argenta import App
+from argenta.router import Router
+from argenta.command.models import Command
+from argenta.response import Response
+
+from ..utils import get_time_of_pre_cycle_setup
+from ..registry import benchmark
+
+
+@benchmark(name="Time of pre_cycle_setup", description="With no aliases")
+def benchmark_no_aliases() -> float:
+    app = App(override_system_messages=True)
+    router = Router()
+
+    @router.command(Command('command1'))
+    def handler1(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command2'))
+    def handler2(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command3'))
+    def handler3(_res: Response) -> None:  
+        pass
+
+    app.include_router(router)
+    execution_time = get_time_of_pre_cycle_setup(app)
+    return execution_time
+
+
+@benchmark(name="Time of pre_cycle_setup", description="With few aliases (6 total)")
+def benchmark_few_aliases() -> float:
+    app = App(override_system_messages=True)
+    router = Router()
+
+    @router.command(Command('command1', aliases={'c1', 'cmd1'}))
+    def handler1(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command2', aliases={'c2', 'cmd2'}))
+    def handler2(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command3', aliases={'c3', 'cmd3'}))
+    def handler3(_res: Response) -> None:  
+        pass
+
+    app.include_router(router)
+    execution_time = get_time_of_pre_cycle_setup(app)
+    return execution_time
+
+
+@benchmark(name="Time of pre_cycle_setup", description="With many aliases (15 total)")
+def benchmark_many_aliases() -> float:
+    app = App(override_system_messages=True)
+    router = Router()
+
+    @router.command(Command('command1', aliases={'c1', 'cmd1', 'com1', 'first', 'one'}))
+    def handler1(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command2', aliases={'c2', 'cmd2', 'com2', 'second', 'two'}))
+    def handler2(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command3', aliases={'c3', 'cmd3', 'com3', 'third', 'three'}))
+    def handler3(_res: Response) -> None:  
+        pass
+
+    app.include_router(router)
+    execution_time = get_time_of_pre_cycle_setup(app)
+    return execution_time
+
+
+@benchmark(name="Time of pre_cycle_setup", description="With very many aliases (60 total)")
+def benchmark_very_many_aliases() -> float:
+    app = App(override_system_messages=True)
+    router = Router()
+
+    @router.command(Command('command1', aliases={f'alias1_{i}' for i in range(20)}))
+    def handler1(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command2', aliases={f'alias2_{i}' for i in range(20)}))
+    def handler2(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command3', aliases={f'alias3_{i}' for i in range(20)}))
+    def handler3(_res: Response) -> None: 
+        pass
+
+    app.include_router(router)
+    execution_time = get_time_of_pre_cycle_setup(app)
+    return execution_time
+
+
+@benchmark(name="Time of pre_cycle_setup", description="With extreme aliases (300 total)")
+def benchmark_extreme_aliases() -> float:
+    app = App(override_system_messages=True)
+    router = Router()
+
+    @router.command(Command('command1', aliases={f'alias1_{i}' for i in range(100)}))
+    def handler1(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command2', aliases={f'alias2_{i}' for i in range(100)}))
+    def handler2(_res: Response) -> None:  
+        pass
+
+    @router.command(Command('command3', aliases={f'alias3_{i}' for i in range(100)}))
+    def handler3(_res: Response) -> None:  
+        pass
+
+    app.include_router(router)
+    execution_time = get_time_of_pre_cycle_setup(app)
+    return execution_time
diff --git a/metrics/registry.py b/metrics/registry.py
new file mode 100644
index 0000000..02d5cb1
--- /dev/null
+++ b/metrics/registry.py
@@ -0,0 +1,88 @@
+from typing import Any, Callable, ClassVar, ParamSpec, TypeVar, overload, override, Generic
+
+
+P = ParamSpec("P")
+R = TypeVar("R", default=float)
+
+
+class Benchmark(Generic[P, R]):
+    def __init__(
+        self, 
+        func: Callable[P, R], 
+        *,
+        name: str, 
+        description: str, 
+        iterations: int
+    ) -> None:
+        self.func = func
+        self.name = name
+        self.description = description
+        self.iterations = iterations
+        
+    def __call__(self, *args: P.args, **kwargs: P.kwargs) -> R:
+        return self.func(*args, **kwargs)
+    
+    @override
+    def __repr__(self) -> str:
+        return f'Benchmark<{self.name=}, {self.description=}, {self.iterations=}>'
+        
+    @override
+    def __str__(self) -> str:
+        return f'Benchmark({self.name=}, {self.description=}, {self.iterations=})'
+    
+
+class Benchmarks:
+    _benchmarks: ClassVar[list[Benchmark[Any, Any]]] = []
+
+    @overload
+    @classmethod
+    def register(
+        cls,
+        call: Callable[P, R],
+        *,
+        name: str = "",
+        description: str = "",
+        iterations: int = 100,
+    ) -> Callable[P, R]: ...
+
+    @overload
+    @classmethod
+    def register(
+        cls,
+        call: None = None,
+        *,
+        name: str = "",
+        description: str = "",
+        iterations: int = 100,
+    ) -> Callable[[Callable[P, R]], Callable[P, R]]: ...
+
+    @classmethod
+    def register(
+        cls,
+        call: Callable[P, R] | None = None,
+        *,
+        name: str = "",
+        description: str = "",
+        iterations: int = 100,
+    ) -> Callable[[Callable[P, R]], Callable[P, R]] | Callable[P, R]:
+        def decorator(func: Callable[P, R]) -> Callable[P, R]:
+            cls._benchmarks.append(
+                Benchmark(
+                    func,
+                    name = name or func.__name__,
+                    description = description or f'description for {name or func.__name__} with {iterations} iterations',
+                    iterations = iterations
+                )
+            )
+            return func
+
+        if call is None:
+            return decorator
+        else:
+            return decorator(call)
+            
+    @classmethod
+    def get_benchmarks(cls) -> list[Benchmark[Any, Any]]:
+        return cls._benchmarks
+            
+benchmark = Benchmarks.register
diff --git a/src/argenta/metrics/main.py b/metrics/utils.py
similarity index 87%
rename from src/argenta/metrics/main.py
rename to metrics/utils.py
index 12861f7..ac6adf9 100644
--- a/src/argenta/metrics/main.py
+++ b/metrics/utils.py
@@ -4,7 +4,7 @@ __all__ = [
 
 import io
 from contextlib import redirect_stdout
-from time import time
+import time
 
 from argenta import App
 
@@ -15,8 +15,8 @@ def get_time_of_pre_cycle_setup(app: App) -> float:
     :param app: app instance for testing time of pre cycle setup
     :return: time of pre cycle setup as float
     """
-    start = time()
+    start = time.monotonic()
     with redirect_stdout(io.StringIO()):
         app._pre_cycle_setup()  # pyright: ignore[reportPrivateUsage]
-    end = time()
+    end = time.monotonic()
     return end - start
diff --git a/pyproject.toml b/pyproject.toml
index eb066f7..eeabf62 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,6 +55,11 @@ root = "tests/"
 reportPrivateUsage = false
 reportUnusedFunction = false
 
+[[tool.pyright.executionEnvironments]]
+root = "metrics/"
+reportPrivateUsage = false
+reportUnusedFunction = false
+
 [tool.coverage.run]
 branch = true
 omit = [
diff --git a/src/argenta/metrics/__init__.py b/src/argenta/metrics/__init__.py
deleted file mode 100644
index e97a8ca..0000000
--- a/src/argenta/metrics/__init__.py
+++ /dev/null
@@ -1,2 +0,0 @@
-from argenta.metrics.main import \
-    get_time_of_pre_cycle_setup as get_time_of_pre_cycle_setup