Core and Builtins
-----------------
+- Issue #16672: Improve performance tracing performance
+
- Issue #14470: Remove w9xpopen support per PEP 11.
- Issue #9856: Replace deprecation warning with raising TypeError
/* line-by-line tracing support */
if (_Py_TracingPossible &&
- tstate->c_tracefunc != NULL && !tstate->tracing) {
+ tstate->c_tracefunc != NULL && !tstate->tracing &&
+ f->f_trace != NULL) {
int err;
/* see maybe_call_line_trace
for expository comments */
/* Log traceback info. */
PyTraceBack_Here(f);
- if (tstate->c_tracefunc != NULL)
+ if (tstate->c_tracefunc != NULL && f->f_trace != NULL)
call_exc_trace(tstate->c_tracefunc, tstate->c_traceobj, f);
fast_block_end:
}
if (tstate->use_tracing) {
- if (tstate->c_tracefunc) {
+ if (tstate->c_tracefunc && f->f_trace != NULL) {
if (why == WHY_RETURN || why == WHY_YIELD) {
if (call_trace(tstate->c_tracefunc,
tstate->c_traceobj, f,