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Add more stats for freelist use and allocations. (GH-92211)

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This commit is contained in:
Mark Shannon
2022-05-03 16:40:24 -06:00
committed by GitHub
parent e8d7661ff2
commit 836b17c9c3
9 changed files with 43 additions and 0 deletions
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15
Objects/obmalloc.c
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@@ -616,6 +616,10 @@ PyMem_Malloc(size_t size)
/* see PyMem_RawMalloc() */
if (size > (size_t)PY_SSIZE_T_MAX)
return NULL;
OBJECT_STAT_INC_COND(allocations512, size < 512);
OBJECT_STAT_INC_COND(allocations4k, size >= 512 && size < 4094);
OBJECT_STAT_INC_COND(allocations_big, size >= 4094);
OBJECT_STAT_INC(allocations);
return _PyMem.malloc(_PyMem.ctx, size);
}
@@ -625,6 +629,10 @@ PyMem_Calloc(size_t nelem, size_t elsize)
/* see PyMem_RawMalloc() */
if (elsize != 0 && nelem > (size_t)PY_SSIZE_T_MAX / elsize)
return NULL;
OBJECT_STAT_INC_COND(allocations512, elsize < 512);
OBJECT_STAT_INC_COND(allocations4k, elsize >= 512 && elsize < 4094);
OBJECT_STAT_INC_COND(allocations_big, elsize >= 4094);
OBJECT_STAT_INC(allocations);
return _PyMem.calloc(_PyMem.ctx, nelem, elsize);
}
@@ -640,6 +648,7 @@ PyMem_Realloc(void *ptr, size_t new_size)
void
PyMem_Free(void *ptr)
{
OBJECT_STAT_INC(frees);
_PyMem.free(_PyMem.ctx, ptr);
}
@@ -696,6 +705,9 @@ PyObject_Malloc(size_t size)
/* see PyMem_RawMalloc() */
if (size > (size_t)PY_SSIZE_T_MAX)
return NULL;
OBJECT_STAT_INC_COND(allocations512, size < 512);
OBJECT_STAT_INC_COND(allocations4k, size >= 512 && size < 4094);
OBJECT_STAT_INC_COND(allocations_big, size >= 4094);
OBJECT_STAT_INC(allocations);
return _PyObject.malloc(_PyObject.ctx, size);
}
@@ -706,6 +718,9 @@ PyObject_Calloc(size_t nelem, size_t elsize)
/* see PyMem_RawMalloc() */
if (elsize != 0 && nelem > (size_t)PY_SSIZE_T_MAX / elsize)
return NULL;
OBJECT_STAT_INC_COND(allocations512, elsize < 512);
OBJECT_STAT_INC_COND(allocations4k, elsize >= 512 && elsize < 4094);
OBJECT_STAT_INC_COND(allocations_big, elsize >= 4094);
OBJECT_STAT_INC(allocations);
return _PyObject.calloc(_PyObject.ctx, nelem, elsize);
}