Adds missing docs

varats/varats/experiments/vara/hot_function_experiment.py

@@ -1,3 +1,4 @@
+"""Experiment that detects the hot functions of a project."""
 import typing as tp
 from pathlib import Path
 
@@ -75,6 +76,8 @@ def __str__(self, indent: int = 0) -> str:
         )
 
     def run_instrumented_code(self) -> actions.StepResult:
+        """Run the instrumented code to detect hot functions."""
+        # pylint: disable=import-outside-toplevel
         from plumbum.cmd import llvm_xray
 
         for binary in self.project.binaries:

varats/varats/tables/hot_functions.py

@@ -14,6 +14,8 @@
 
 
 class HotFunctionsTable(Table, table_name="hot_functions"):
+    """A concice table that provides a quick overview of all the detected hot
+    functions."""
 
     def tabulate(self, table_format: TableFormat, wrap_table: bool) -> str:
         case_studies = get_loaded_paper_config().get_all_case_studies()