Author: Alex Gaynor <[email protected]>
Branch:
Changeset: r58990:7c881e264806
Date: 2012-11-18 15:40 -0800
http://bitbucket.org/pypy/pypy/changeset/7c881e264806/
Log: significantly improve the performance of cProfile for calling
'builtin' functions
diff --git a/pypy/module/_lsprof/interp_lsprof.py
b/pypy/module/_lsprof/interp_lsprof.py
--- a/pypy/module/_lsprof/interp_lsprof.py
+++ b/pypy/module/_lsprof/interp_lsprof.py
@@ -185,37 +185,52 @@
if subentry is not None:
subentry._stop(tt, it)
+
@jit.elidable_promote()
+def create_spec_for_method(space, w_function, w_type):
+ w_function = w_function
+ if isinstance(w_function, Function):
+ name = w_function.name
+ else:
+ name = '?'
+ # try to get the real class that defines the method,
+ # which is a superclass of the class of the instance
+ from pypy.objspace.std.typeobject import W_TypeObject # xxx
+ class_name = w_type.getname(space) # if the rest doesn't work
+ if isinstance(w_type, W_TypeObject) and name != '?':
+ w_realclass, _ = space.lookup_in_type_where(w_type, name)
+ if isinstance(w_realclass, W_TypeObject):
+ class_name = w_realclass.get_module_type_name()
+ return "{method '%s' of '%s' objects}" % (name, class_name)
+
+
[email protected]_promote()
+def create_spec_for_function(space, w_func):
+ if w_func.w_module is None:
+ module = ''
+ else:
+ module = space.str_w(w_func.w_module)
+ if module == '__builtin__':
+ module = ''
+ else:
+ module += '.'
+ return '{%s%s}' % (module, w_func.name)
+
+
[email protected]_promote()
+def create_spec_for_object(space, w_obj):
+ class_name = space.type(w_obj).getname(space)
+ return "{'%s' object}" % (class_name,)
+
+
def create_spec(space, w_arg):
if isinstance(w_arg, Method):
- w_function = w_arg.w_function
- if isinstance(w_function, Function):
- name = w_function.name
- else:
- name = '?'
- # try to get the real class that defines the method,
- # which is a superclass of the class of the instance
- from pypy.objspace.std.typeobject import W_TypeObject # xxx
- w_type = w_arg.w_class
- class_name = w_type.getname(space) # if the rest doesn't work
- if isinstance(w_type, W_TypeObject) and name != '?':
- w_realclass, _ = space.lookup_in_type_where(w_type, name)
- if isinstance(w_realclass, W_TypeObject):
- class_name = w_realclass.get_module_type_name()
- return "{method '%s' of '%s' objects}" % (name, class_name)
+ return create_spec_for_method(space, w_arg.w_function, w_arg.w_class)
elif isinstance(w_arg, Function):
- if w_arg.w_module is None:
- module = ''
- else:
- module = space.str_w(w_arg.w_module)
- if module == '__builtin__':
- module = ''
- else:
- module += '.'
- return '{%s%s}' % (module, w_arg.name)
+ return create_spec_for_function(space, w_arg)
else:
- class_name = space.type(w_arg).getname(space)
- return "{'%s' object}" % (class_name,)
+ return create_spec_for_object(space, w_arg)
+
def lsprof_call(space, w_self, frame, event, w_arg):
assert isinstance(w_self, W_Profiler)
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