#ifndef Py_INTERNAL_TRACEMALLOC_H #define Py_INTERNAL_TRACEMALLOC_H #ifdef __cplusplus extern "C" { #endif #ifndef Py_BUILD_CORE # error "this header requires Py_BUILD_CORE define" #endif #include "pycore_hashtable.h" // _Py_hashtable_t /* Trace memory blocks allocated by PyMem_RawMalloc() */ #define TRACE_RAW_MALLOC struct _PyTraceMalloc_Config { /* Module initialized? Variable protected by the GIL */ enum { TRACEMALLOC_NOT_INITIALIZED, TRACEMALLOC_INITIALIZED, TRACEMALLOC_FINALIZED } initialized; /* Is tracemalloc tracing memory allocations? Variable protected by the GIL */ int tracing; /* limit of the number of frames in a traceback, 1 by default. Variable protected by the GIL. */ int max_nframe; }; /* Pack the frame_t structure to reduce the memory footprint on 64-bit architectures: 12 bytes instead of 16. */ #if defined(_MSC_VER) #pragma pack(push, 4) #endif struct #ifdef __GNUC__ __attribute__((packed)) #endif tracemalloc_frame { /* filename cannot be NULL: "<unknown>" is used if the Python frame filename is NULL */ PyObject *filename; unsigned int lineno; }; #ifdef _MSC_VER #pragma pack(pop) #endif struct tracemalloc_traceback { Py_uhash_t hash; /* Number of frames stored */ uint16_t nframe; /* Total number of frames the traceback had */ uint16_t total_nframe; struct tracemalloc_frame frames[1]; }; struct _tracemalloc_runtime_state { struct _PyTraceMalloc_Config config; /* Protected by the GIL */ struct { PyMemAllocatorEx mem; PyMemAllocatorEx raw; PyMemAllocatorEx obj; } allocators; #if defined(TRACE_RAW_MALLOC) PyThread_type_lock tables_lock; #endif /* Size in bytes of currently traced memory. Protected by TABLES_LOCK(). */ size_t traced_memory; /* Peak size in bytes of traced memory. Protected by TABLES_LOCK(). */ size_t peak_traced_memory; /* Hash table used as a set to intern filenames: PyObject* => PyObject*. Protected by the GIL */ _Py_hashtable_t *filenames; /* Buffer to store a new traceback in traceback_new(). Protected by the GIL. */ struct tracemalloc_traceback *traceback; /* Hash table used as a set to intern tracebacks: traceback_t* => traceback_t* Protected by the GIL */ _Py_hashtable_t *tracebacks; /* pointer (void*) => trace (trace_t*). Protected by TABLES_LOCK(). */ _Py_hashtable_t *traces; /* domain (unsigned int) => traces (_Py_hashtable_t). Protected by TABLES_LOCK(). */ _Py_hashtable_t *domains; struct tracemalloc_traceback empty_traceback; Py_tss_t reentrant_key; }; #define _tracemalloc_runtime_state_INIT \ { \ .config = { \ .initialized = TRACEMALLOC_NOT_INITIALIZED, \ .tracing = 0, \ .max_nframe = 1, \ }, \ .reentrant_key = Py_tss_NEEDS_INIT, \ } #ifdef __cplusplus } #endif #endif // !Py_INTERNAL_TRACEMALLOC_H