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gh-102304: Move _Py_RefTotal to _PyRuntimeState #102543

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Merged
merged 18 commits into from
Mar 20, 2023
Merged

gh-102304: Move _Py_RefTotal to _PyRuntimeState #102543

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005a143
_Py_RefTotal -> REFTOTAL.
ericsnowcurrently Mar 8, 2023
b5c783b
Separate the internal helper functions.
ericsnowcurrently Mar 8, 2023
d286080
Drop the Py_BUILD_CORE case.
ericsnowcurrently Mar 8, 2023
31a14ed
Add a blank line.
ericsnowcurrently Mar 8, 2023
8ca3983
_Py_GetRefTotal() -> _Py_GetGlobalRefTotal().
ericsnowcurrently Mar 8, 2023
bff6a6d
Move _Py_RefTotal to _PyRuntimeState.
ericsnowcurrently Nov 15, 2022
5ab4c4b
Include the legacy total in _Py_GetGlobalRefTotal().
ericsnowcurrently Dec 13, 2022
cc5a99a
Fix get_global_refcount().
ericsnowcurrently Mar 9, 2023
f382c4a
Stop being so clever with PyAPI_FUNC().
ericsnowcurrently Mar 9, 2023
38e0860
Drop unnecessary incr/decr to the reftotal.
ericsnowcurrently Mar 9, 2023
7dc494d
Preserve the reftotal past runtime finalization.
ericsnowcurrently Mar 17, 2023
136be3a
Avoid double-counting the final reftotal.
ericsnowcurrently Mar 17, 2023
0abec9c
Factor out sync_legacy_reftotal().
ericsnowcurrently Mar 17, 2023
6e4425c
Drop last_legacy_reftotal.
ericsnowcurrently Mar 17, 2023
49f1502
Fix the REFTOTAL macro.
ericsnowcurrently Mar 17, 2023
f874ae0
_Py_ClearRefTotal() -> _Py_FinalizeRefTotal().
ericsnowcurrently Mar 17, 2023
2fb3259
Add a new global to the ingored list.
ericsnowcurrently Mar 17, 2023
2a11934
Fix _Py_FinalizeRefTotal().
ericsnowcurrently Mar 17, 2023
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Include the legacy total in _Py_GetGlobalRefTotal().
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@ericsnowcurrently
ericsnowcurrently committed Mar 9, 2023
commit 5ab4c4b8b63e7ce7631d5570b7e9cade44830130
1 change: 1 addition & 0 deletions Include/cpython/object.h
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ PyAPI_FUNC(void) _Py_ForgetReference(PyObject *);
/* These are useful as debugging aids when chasing down refleaks. */
PyAPI_FUNC(Py_ssize_t) _Py_GetGlobalRefTotal(void);
# define _Py_GetRefTotal() _Py_GetGlobalRefTotal()
PyAPI_FUNC(Py_ssize_t) _Py_GetLegacyRefTotal(void);
#endif


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1 change: 1 addition & 0 deletions Include/internal/pycore_object_state.h
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Expand Up @@ -10,6 +10,7 @@ extern "C" {

struct _py_object_runtime_state {
#ifdef Py_REF_DEBUG
Py_ssize_t last_legacy_reftotal;
Py_ssize_t reftotal;
#else
int _not_used;
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19 changes: 18 additions & 1 deletion Objects/object.c
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Expand Up @@ -56,6 +56,12 @@ _PyObject_CheckConsistency(PyObject *op, int check_content)
#ifdef Py_REF_DEBUG
/* We keep the legacy symbol around for backward compatibility. */
Py_ssize_t _Py_RefTotal;

static inline Py_ssize_t
get_legacy_reftotal(void)
{
return _Py_RefTotal;
}
#endif

#ifdef Py_REF_DEBUG
Expand Down Expand Up @@ -83,7 +89,10 @@ reftotal_add(Py_ssize_t n)
static inline Py_ssize_t
get_global_reftotal(void)
{
return REFTOTAL;
Py_ssize_t last = _PyRuntime.object_state.last_legacy_reftotal;
Py_ssize_t legacy = get_legacy_reftotal();
_PyRuntime.object_state.last_legacy_reftotal = legacy;
return REFTOTAL + legacy - last;
}

#undef REFTOTAL
Expand All @@ -93,6 +102,7 @@ _PyDebug_PrintTotalRefs(void) {
fprintf(stderr,
"[%zd refs, %zd blocks]\n",
get_global_reftotal(), _Py_GetAllocatedBlocks());
/* It may be helpful to also print the "legacy" reftotal separately. */
}
#endif /* Py_REF_DEBUG */

Expand Down Expand Up @@ -179,12 +189,19 @@ _Py_AddRefTotal(Py_ssize_t n)
reftotal_add(n);
}

/* This includes the legacy total. */
Py_ssize_t
_Py_GetGlobalRefTotal(void)
{
return get_global_reftotal();
}

Py_ssize_t
_Py_GetLegacyRefTotal(void)
{
return get_legacy_reftotal();
}

#endif /* Py_REF_DEBUG */

void
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