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-rw-r--r--Modules/gcmodule.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index 5d9e548..0176d6f 100644
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -734,6 +734,8 @@ collect(int generation)
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 @@ collect(int generation)
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 @@ collect(int generation)
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);
+ }
+ }
}
/* Clear weakrefs and invoke callbacks as necessary. */