New submission from Xavier de Gaye: When a trace function set by sys.settrace() returns None, tracing of the current scope should stop, but this feature is not implemented (issue 11992). Currently f_trace is never set to Py_None. Setting f_trace to Py_None in trace_trampoline() when the trace function returns Py_None provides a way to avoid the costly calls to maybe_call_line_trace() that are made for each line in this scope even though the trace function is not called. This idea was initiated in issue 20041.
---------- components: Library (Lib) messages: 267262 nosy: georg.brandl, xdegaye priority: normal severity: normal status: open title: improve tracing performance with f_trace set to Py_None type: enhancement versions: Python 3.6 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue27218> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
