Merged revisions 67832 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r67832 | antoine.pitrou | 2008-12-17 23:46:54 +0100 (mer., 17 déc. 2008) | 4 lines
Issue #2467: gc.DEBUG_STATS reports invalid elapsed times.
Patch by Neil Schemenauer, very slightly modified.
........
diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index f7eef4d..8462ee9 100644
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -709,6 +709,24 @@
(void)PyFloat_ClearFreeList();
}
+static double
+get_time(void)
+{
+ double result = 0;
+ if (tmod != NULL) {
+ PyObject *f = PyObject_CallMethod(tmod, "time", NULL);
+ if (f == NULL) {
+ PyErr_Clear();
+ }
+ else {
+ if (PyFloat_Check(f))
+ result = PyFloat_AsDouble(f);
+ Py_DECREF(f);
+ }
+ }
+ return result;
+}
+
/* This is the main function. Read this to understand how the
* collection process works. */
static Py_ssize_t
@@ -731,16 +749,7 @@
}
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);
- }
- }
+ t1 = get_time();
PySys_WriteStderr("gc: collecting generation %d...\n",
generation);
PySys_WriteStderr("gc: objects in each generation:");
@@ -813,17 +822,6 @@
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. */
@@ -845,14 +843,19 @@
debug_cycle("uncollectable", FROM_GC(gc));
}
if (debug & DEBUG_STATS) {
+ double t2 = get_time();
if (m == 0 && n == 0)
- PySys_WriteStderr("gc: done.\n");
+ PySys_WriteStderr("gc: done");
else
PySys_WriteStderr(
"gc: done, "
"%" PY_FORMAT_SIZE_T "d unreachable, "
- "%" PY_FORMAT_SIZE_T "d uncollectable.\n",
+ "%" PY_FORMAT_SIZE_T "d uncollectable",
n+m, n);
+ if (t1 && t2) {
+ PySys_WriteStderr(", %.4fs elapsed", t2-t1);
+ }
+ PySys_WriteStderr(".\n");
}
/* Append instances in the uncollectable set to a Python