Add --run_profiler option.

diff --git a/bootstrap.py b/bootstrap.py
index 44a16fbd3b3f99a20e47913f0428314b1cf5bcc8..1b4d4843332effc7683bcbd20a7f9a1432cc299e 100644 (file)
--- a/bootstrap.py
+++ b/bootstrap.py
@@ -51,7 +51,12 @@ args.add_argument(
     default=False,
     help='Should we audit all import events?',
 )
-
+args.add_argument(
+    '--run_profiler',
+    action=ActionNoYes,
+    default=False,
+    help='Should we run cProfile on this code?',
+)
 
 original_hook = sys.excepthook
 
@@ -143,18 +148,6 @@ class ImportInterceptor(object):
         return []
 
 
-# # TODO: test this with python 3.8+
-# def audit_import_events(event, args):
-#     if event == 'import':
-#         module = args[0]
-#         filename = args[1]
-#         sys_path = args[2]
-#         sys_meta_path = args[3]
-#         sys_path_hooks = args[4]
-#         logger.debug(msg)
-#         print(msg)
-
-
 # Audit import events?  Note: this runs early in the lifetime of the
 # process (assuming that import bootstrap happens early); config has
 # (probably) not yet been loaded or parsed the commandline.  Also,
@@ -168,12 +161,6 @@ for arg in sys.argv:
     if arg == '--audit_import_events':
         import_interceptor = ImportInterceptor()
         sys.meta_path = [import_interceptor] + sys.meta_path
-        # if not hasattr(sys, 'frozen'):
-        #     if (
-        #             sys.version_info[0] == 3
-        #             and sys.version_info[1] >= 8
-        #     ):
-        #         sys.addaudithook(audit_import_events)
 
 
 def dump_all_objects() -> None:
@@ -260,8 +247,22 @@ def initialize(entry_point):
         ret = None
         import stopwatch
 
-        with stopwatch.Timer() as t:
-            ret = entry_point(*args, **kwargs)
+        if config.config['run_profiler']:
+            import cProfile
+            from pstats import SortKey
+
+            with stopwatch.Timer() as t:
+                cProfile.runctx(
+                    "ret = entry_point(*args, **kwargs)",
+                    globals(),
+                    locals(),
+                    None,
+                    SortKey.CUMULATIVE,
+                )
+        else:
+            with stopwatch.Timer() as t:
+                ret = entry_point(*args, **kwargs)
+
         logger.debug(f'{entry_point.__name__} (program entry point) returned {ret}.')
 
         if config.config['dump_all_objects']: