[Python-checkins] r45590 - python/trunk/Modules/gcmodule.c (original) (raw)
skip.montanaro python-checkins at python.org
Fri Apr 21 03:33:41 CEST 2006
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Author: skip.montanaro Date: Fri Apr 21 03:33:40 2006 New Revision: 45590
Modified: python/trunk/Modules/gcmodule.c Log: This is a long-ago patch I submitted to SF (1100924) to time the gc passes. Barry approved it awhile ago. Been sitting in my sandbox for awhile as well.
Modified: python/trunk/Modules/gcmodule.c
--- python/trunk/Modules/gcmodule.c (original) +++ python/trunk/Modules/gcmodule.c Fri Apr 21 03:33:40 2006 @@ -734,6 +734,8 @@ PyGC_Head unreachable; /* non-problematic unreachable trash / PyGC_Head finalizers; / objects with, & reachable from, del */ PyGC_Head *gc; + static PyObject *tmod = NULL; + double t1 = 0.0;
if (delstr == NULL) {
delstr = PyString_InternFromString("__del__");@@ -741,7 +743,23 @@ Py_FatalError("gc couldn't allocate "__del__""); }
- if (tmod == NULL) {
tmod = PyImport_ImportModule("time");if (tmod == NULL)PyErr_Clear();- }
if (debug & DEBUG_STATS) {if (tmod != NULL) {PyObject *f = PyObject_CallMethod(tmod, "time", NULL);if (f == NULL) {PyErr_Clear();}else {t1 = PyFloat_AsDouble(f);Py_DECREF(f);}} PySys_WriteStderr("gc: collecting generation %d...\n", generation); PySys_WriteStderr("gc: objects in each generation:");
@@ -814,6 +832,17 @@ if (debug & DEBUG_COLLECTABLE) { debug_cycle("collectable", FROM_GC(gc)); } + if (tmod != NULL && (debug & DEBUG_STATS)) { + PyObject *f = PyObject_CallMethod(tmod, "time", NULL); + if (f == NULL) { + PyErr_Clear(); + } + else { + t1 = PyFloat_AsDouble(f)-t1; + Py_DECREF(f); + PySys_WriteStderr("gc: %.4fs elapsed.\n", t1); + } + } }
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