Apr 12, 2023 · Nov 9, 2022 · Nov 18, 2022 · Nov 28, 2022 · Nov 28, 2022 · Dec 2, 2022
diff --git a/Include/cpython/code.h b/Include/cpython/code.h
 #ifndef Py_LIMITED_API
 #ifndef Py_CODE_H
 #define Py_CODE_H

 #ifdef __cplusplus
 extern "C" {
 #endif


 /* Count of all "real" monitoring events (not derived from other events) */
 #define PY_MONITORING_UNGROUPED_EVENTS 14
 /* Count of all  monitoring events */
 #define PY_MONITORING_EVENTS 16

 /* Table of which tools are active for each monitored event. */
 typedef struct _Py_Monitors {
    uint8_t tools[PY_MONITORING_UNGROUPED_EVENTS];
 } _Py_Monitors;

 /* Each instruction in a code object is a fixed-width value,
 * currently 2 bytes: 1-byte opcode + 1-byte oparg.  The EXTENDED_ARG
 * opcode allows for larger values but the current limit is 3 uses
    PyObject *_co_freevars;
 } _PyCoCached;

 /* Ancilliary data structure used for instrumentation.
   Line instrumentation creates an array of
   these. One entry per code unit.*/
 typedef struct {
    uint8_t original_opcode;
    int8_t line_delta;
 } _PyCoLineInstrumentationData;

 /* Main data structure used for instrumentation.
 * This is allocated when needed for instrumentation
 */
 typedef struct {
    /* Monitoring specific to this code object */
    _Py_Monitors local_monitors;
    /* Monitoring that is active on this code object */
    _Py_Monitors active_monitors;
    /* The tools that are to be notified for events for the matching code unit */
    uint8_t *tools;
    /* Information to support line events */
    _PyCoLineInstrumentationData *lines;
    /* The tools that are to be notified for line events for the matching code unit */
    uint8_t *line_tools;
    /* Information to support instruction events */
    /* The underlying instructions, which can themselves be instrumented */
    uint8_t *per_instruction_opcodes;
    /* The tools that are to be notified for instruction events for the matching code unit */
    uint8_t *per_instruction_tools;
 } _PyCoMonitoringData;

 // To avoid repeating ourselves in deepfreeze.py, all PyCodeObject members are
 // defined in this macro:
 #define _PyCode_DEF(SIZE) {                                                    \
    PyObject *co_exceptiontable;   /* Byte string encoding exception handling  \
                                      table */                                 \
    int co_flags;                  /* CO_..., see below */                     \
    short _co_linearray_entry_size;  /* Size of each entry in _co_linearray */ \
                                                                               \
    /* The rest are not so impactful on performance. */                        \
    int co_argcount;              /* #arguments, except *args */               \
    PyObject *co_linetable;       /* bytes object that holds location info */  \
    PyObject *co_weakreflist;     /* to support weakrefs to code objects */    \
    _PyCoCached *_co_cached;      /* cached co_* attributes */                 \
    uint64_t _co_instrumentation_version; /* current instrumentation version */  \
    _PyCoMonitoringData *_co_monitoring; /* Monitoring data */                 \
    int _co_firsttraceable;       /* index of first traceable instruction */   \
    char *_co_linearray;          /* array of line offsets */                  \
    /* Scratch space for extra data relating to the code object.               \
       Type is a void* to keep the format private in codeobject.c to force     \
       people to go through the proper APIs. */                                \
diff --git a/Include/cpython/pystate.h b/Include/cpython/pystate.h
 #define PyTrace_C_RETURN 6
 #define PyTrace_OPCODE 7


 typedef struct {
    PyCodeObject *code; // The code object for the bounds. May be NULL.
    PyCodeAddressRange bounds; // Only valid if code != NULL.
 } PyTraceInfo;

 // Internal structure: you should not use it directly, but use public functions
 // like PyThreadState_EnterTracing() and PyThreadState_LeaveTracing().
 typedef struct _PyCFrame {
     * discipline and make sure that instances of this struct cannot
     * accessed outside of their lifetime.
     */
    uint8_t use_tracing;  // 0 or 255 (or'ed into opcode, hence 8-bit type)
    /* Pointer to the currently executing frame (it can be NULL) */
    struct _PyInterpreterFrame *current_frame;
    struct _PyCFrame *previous;
       This is to prevent the actual trace/profile code from being recorded in
       the trace/profile. */
    int tracing;
    inttracing_what; /* The event currently beingtraced, if any. */
    intwhat_event; /* The event currently beingmonitored, if any. */

    /* Pointer to current _PyCFrame in the C stack frame of the currently,
     * or most recently, executing _PyEval_EvalFrameDefault. */
    /* Unique thread state id. */
    uint64_t id;

    PyTraceInfo trace_info;

    _PyStackChunk *datastack_chunk;
    PyObject **datastack_top;
    PyObject **datastack_limit;
diff --git a/Include/internal/pycore_code.h b/Include/internal/pycore_code.h

 /* Line array cache for tracing */

 extern int _PyCode_CreateLineArray(PyCodeObject *co);

 static inline int
 _PyCode_InitLineArray(PyCodeObject *co)
 {
    if (co->_co_linearray) {
        return 0;
    }
    return _PyCode_CreateLineArray(co);
 }

 static inline int
 _PyCode_LineNumberFromArray(PyCodeObject *co, int index)
 {
    assert(co->_co_linearray != NULL);
    assert(index >= 0);
    assert(index < Py_SIZE(co));
    if (co->_co_linearray_entry_size == 2) {
        return ((int16_t *)co->_co_linearray)[index];
    }
    else {
        assert(co->_co_linearray_entry_size == 4);
        return ((int32_t *)co->_co_linearray)[index];
    }
 }

 typedef struct _PyShimCodeDef {
    const uint8_t *code;
    int codelen;

 #define COMPARISON_NOT_EQUALS (COMPARISON_UNORDERED | COMPARISON_LESS_THAN | COMPARISON_GREATER_THAN)

 extern int _Py_Instrument(PyCodeObject *co, PyInterpreterState *interp);

 extern int _Py_GetBaseOpcode(PyCodeObject *code, int offset);


 #ifdef __cplusplus
 }
diff --git a/Include/internal/pycore_frame.h b/Include/internal/pycore_frame.h
 struct_PyInterpreterFrame*f_frame;/* points to the frame data */
 PyObject*f_trace;/* Trace function */
 intf_lineno;/* Current line number. Only valid if non-zero */
 intf_last_traced_line;/* The last line traced for this frame */
 charf_trace_lines;/* Emit per-line trace events? */
 charf_trace_opcodes;/* Emit per-opcode trace events? */
 charf_fast_as_locals;/* Have the fast locals of this frame been converted to a dict? */
 returnframe->localsplus;
 }

 /* Fetches the stack pointer, and sets stacktop to -1.
    Having stacktop <= 0 ensures that invalid
    values are not visible to the cycle GC.
    We choose -1 rather than 0 to assist debugging. */
 staticinlinePyObject**
 _PyFrame_GetStackPointer(_PyInterpreterFrame*frame)
 {
 returnframe->localsplus+frame->stacktop;
 PyObject**sp=frame->localsplus+frame->stacktop;
 frame->stacktop=-1;
 returnsp;
 }

 staticinlinevoid
diff --git a/Include/internal/pycore_instruments.h b/Include/internal/pycore_instruments.h

 #ifndef Py_INTERNAL_INSTRUMENT_H
 #define Py_INTERNAL_INSTRUMENT_H


 #include "pycore_bitutils.h"      // _Py_popcount32
 #include "pycore_frame.h"

 #include "cpython/code.h"

 #ifdef __cplusplus
 extern "C" {
 #endif

 #define PY_MONITORING_TOOL_IDS 8

 /* Local events.
 * These require bytecode instrumentation */

 #define PY_MONITORING_EVENT_PY_START 0
 #define PY_MONITORING_EVENT_PY_RESUME 1
 #define PY_MONITORING_EVENT_PY_RETURN 2
 #define PY_MONITORING_EVENT_PY_YIELD 3
 #define PY_MONITORING_EVENT_CALL 4
 #define PY_MONITORING_EVENT_LINE 5
 #define PY_MONITORING_EVENT_INSTRUCTION 6
 #define PY_MONITORING_EVENT_JUMP 7
 #define PY_MONITORING_EVENT_BRANCH 8
 #define PY_MONITORING_EVENT_STOP_ITERATION 9

 #define PY_MONITORING_INSTRUMENTED_EVENTS 10

 /* Other events, mainly exceptions */

 #define PY_MONITORING_EVENT_RAISE 10
 #define PY_MONITORING_EVENT_EXCEPTION_HANDLED 11
 #define PY_MONITORING_EVENT_PY_UNWIND 12
 #define PY_MONITORING_EVENT_PY_THROW 13


 /* Ancilliary events */

 #define PY_MONITORING_EVENT_C_RETURN 14
 #define PY_MONITORING_EVENT_C_RAISE 15


 typedef uint32_t _PyMonitoringEventSet;

 /* Tool IDs */

 /* These are defined in PEP 669 for convenience to avoid clashes */
 #define PY_MONITORING_DEBUGGER_ID 0
 #define PY_MONITORING_COVERAGE_ID 1
 #define PY_MONITORING_PROFILER_ID 2
 #define PY_MONITORING_OPTIMIZER_ID 5

 /* Internal IDs used to suuport sys.setprofile() and sys.settrace() */
 #define PY_MONITORING_SYS_PROFILE_ID 6
 #define PY_MONITORING_SYS_TRACE_ID 7


 PyObject *_PyMonitoring_RegisterCallback(int tool_id, int event_id, PyObject *obj);

 int _PyMonitoring_SetEvents(int tool_id, _PyMonitoringEventSet events);

 extern int
 _Py_call_instrumentation(PyThreadState *tstate, int event,
    _PyInterpreterFrame *frame, _Py_CODEUNIT *instr);

 extern int
 _Py_call_instrumentation_line(PyThreadState *tstate, _PyInterpreterFrame* frame,
                              _Py_CODEUNIT *instr);

 extern int
 _Py_call_instrumentation_instruction(
    PyThreadState *tstate, _PyInterpreterFrame* frame, _Py_CODEUNIT *instr);

 int
 _Py_call_instrumentation_jump(
    PyThreadState *tstate, int event,
    _PyInterpreterFrame *frame, _Py_CODEUNIT *instr, _Py_CODEUNIT *target);

 extern int
 _Py_call_instrumentation_arg(PyThreadState *tstate, int event,
    _PyInterpreterFrame *frame, _Py_CODEUNIT *instr, PyObject *arg);

 extern int
 _Py_call_instrumentation_2args(PyThreadState *tstate, int event,
    _PyInterpreterFrame *frame, _Py_CODEUNIT *instr, PyObject *arg0, PyObject *arg1);

 extern void
 _Py_call_instrumentation_exc0(PyThreadState *tstate, int event,
    _PyInterpreterFrame *frame, _Py_CODEUNIT *instr);

 extern void
 _Py_call_instrumentation_exc2(PyThreadState *tstate, int event,
    _PyInterpreterFrame *frame, _Py_CODEUNIT *instr, PyObject *arg0, PyObject *arg1);

 extern int
 _Py_Instrumentation_GetLine(PyCodeObject *code, int index);

 extern PyObject _PyInstrumentation_MISSING;

 #ifdef __cplusplus
 }
 #endif
 #endif /* !Py_INTERNAL_INSTRUMENT_H */
diff --git a/Include/internal/pycore_interp.h b/Include/internal/pycore_interp.h
 #include "pycore_genobject.h"     // struct _Py_async_gen_state
 #include "pycore_gc.h"            // struct _gc_runtime_state
 #include "pycore_import.h"        // struct _import_state
 #include "pycore_instruments.h"   // PY_MONITORING_EVENTS
 #include "pycore_list.h"          // struct _Py_list_state
 #include "pycore_global_objects.h"  // struct _Py_interp_static_objects
 #include "pycore_object_state.h"   // struct _py_object_state
    int max_str_digits;
 };


 /* interpreter state */

 /* PyInterpreterState holds the global state for one of the runtime's

    PyInterpreterState *next;

    uint64_t monitoring_version;
    uint64_t last_restart_version;

    struct pythreads {
        uint64_t next_unique_id;
        /* The linked list of threads, newest first. */
    struct callable_cache callable_cache;
    PyCodeObject *interpreter_trampoline;

    _Py_Monitors monitors;
    bool f_opcode_trace_set;
    bool sys_profile_initialized;
    bool sys_trace_initialized;
    Py_ssize_t sys_profiling_threads; /* Count of threads with c_profilefunc set */
    Py_ssize_t sys_tracing_threads; /* Count of threads with c_tracefunc set */
    PyObject *monitoring_callables[PY_MONITORING_TOOL_IDS][PY_MONITORING_EVENTS];
    PyObject *monitoring_tool_names[PY_MONITORING_TOOL_IDS];

    struct _Py_interp_cached_objects cached_objects;
    struct _Py_interp_static_objects static_objects;
Original file line number	Diff line number	Diff line change
Expand Up		@@ -3,10 +3,22 @@
		#ifndef Py_LIMITED_API
		#ifndef Py_CODE_H
		#define Py_CODE_H

		#ifdef __cplusplus
		extern "C" {
		#endif


		/* Count of all "real" monitoring events (not derived from other events) */
		#define PY_MONITORING_UNGROUPED_EVENTS 14
		/* Count of all monitoring events */
		#define PY_MONITORING_EVENTS 16

		/* Table of which tools are active for each monitored event. */
		typedef struct _Py_Monitors {
		uint8_t tools[PY_MONITORING_UNGROUPED_EVENTS];
		} _Py_Monitors;

		/* Each instruction in a code object is a fixed-width value,
		* currently 2 bytes: 1-byte opcode + 1-byte oparg. The EXTENDED_ARG
		* opcode allows for larger values but the current limit is 3 uses
Expand DownExpand Up		@@ -56,6 +68,35 @@ typedef struct {
		PyObject *_co_freevars;
		} _PyCoCached;

		/* Ancilliary data structure used for instrumentation.
		Line instrumentation creates an array of
		these. One entry per code unit.*/
		typedef struct {
		uint8_t original_opcode;
		int8_t line_delta;
		} _PyCoLineInstrumentationData;

		/* Main data structure used for instrumentation.
		* This is allocated when needed for instrumentation
		*/
		typedef struct {
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		/* Monitoring specific to this code object */
		_Py_Monitors local_monitors;
		/* Monitoring that is active on this code object */
		_Py_Monitors active_monitors;
		/* The tools that are to be notified for events for the matching code unit */
		uint8_t *tools;
		/* Information to support line events */
		_PyCoLineInstrumentationData *lines;
		/* The tools that are to be notified for line events for the matching code unit */
		uint8_t *line_tools;
		/* Information to support instruction events */
		/* The underlying instructions, which can themselves be instrumented */
		uint8_t *per_instruction_opcodes;
		/* The tools that are to be notified for instruction events for the matching code unit */
		uint8_t *per_instruction_tools;
		} _PyCoMonitoringData;

		// To avoid repeating ourselves in deepfreeze.py, all PyCodeObject members are
		// defined in this macro:
		#define _PyCode_DEF(SIZE) { \
Expand DownExpand Up		@@ -87,7 +128,6 @@ typedef struct {
		PyObject co_exceptiontable; / Byte string encoding exception handling \
		table */ \
		int co_flags; /* CO_..., see below */ \
		short _co_linearray_entry_size; /* Size of each entry in _co_linearray */ \
		\
		/* The rest are not so impactful on performance. */ \
		int co_argcount; /* #arguments, except args / \
Expand All		@@ -114,8 +154,9 @@ typedef struct {
		PyObject co_linetable; / bytes object that holds location info */ \
		PyObject co_weakreflist; / to support weakrefs to code objects */ \
		_PyCoCached _co_cached; / cached co_* attributes */ \
		uint64_t _co_instrumentation_version; /* current instrumentation version */ \
		_PyCoMonitoringData _co_monitoring; / Monitoring data */ \
		int _co_firsttraceable; /* index of first traceable instruction */ \
		char _co_linearray; / array of line offsets */ \
		/* Scratch space for extra data relating to the code object. \
		Type is a void* to keep the format private in codeobject.c to force \
		people to go through the proper APIs. */ \
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -58,12 +58,6 @@ typedef int (Py_tracefunc)(PyObject , PyFrameObject , int, PyObject );
		#define PyTrace_C_RETURN 6
		#define PyTrace_OPCODE 7


		typedef struct {
		PyCodeObject *code; // The code object for the bounds. May be NULL.
		PyCodeAddressRange bounds; // Only valid if code != NULL.
		} PyTraceInfo;

		// Internal structure: you should not use it directly, but use public functions
		// like PyThreadState_EnterTracing() and PyThreadState_LeaveTracing().
		typedef struct _PyCFrame {
Expand All		@@ -77,7 +71,6 @@ typedef struct _PyCFrame {
		* discipline and make sure that instances of this struct cannot
		* accessed outside of their lifetime.
		*/
		uint8_t use_tracing; // 0 or 255 (or'ed into opcode, hence 8-bit type)
		/* Pointer to the currently executing frame (it can be NULL) */
		struct _PyInterpreterFrame *current_frame;
		struct _PyCFrame *previous;
Expand DownExpand Up		@@ -157,7 +150,7 @@ struct _ts {
		This is to prevent the actual trace/profile code from being recorded in
		the trace/profile. */
		int tracing;
		inttracing_what; /* The event currently beingtraced, if any. */
		intwhat_event; /* The event currently beingmonitored, if any. */
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		/* Pointer to current _PyCFrame in the C stack frame of the currently,
		* or most recently, executing _PyEval_EvalFrameDefault. */
Expand DownExpand Up		@@ -228,8 +221,6 @@ struct _ts {
		/* Unique thread state id. */
		uint64_t id;

		PyTraceInfo trace_info;

		_PyStackChunk *datastack_chunk;
		PyObject **datastack_top;
		PyObject **datastack_limit;
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -441,32 +441,6 @@ adaptive_counter_backoff(uint16_t counter) {

		/* Line array cache for tracing */

		extern int _PyCode_CreateLineArray(PyCodeObject *co);

		static inline int
		_PyCode_InitLineArray(PyCodeObject *co)
		{
		if (co->_co_linearray) {
		return 0;
		}
		return _PyCode_CreateLineArray(co);
		}

		static inline int
		_PyCode_LineNumberFromArray(PyCodeObject *co, int index)
		{
		assert(co->_co_linearray != NULL);
		assert(index >= 0);
		assert(index < Py_SIZE(co));
		if (co->_co_linearray_entry_size == 2) {
		return ((int16_t *)co->_co_linearray)[index];
		}
		else {
		assert(co->_co_linearray_entry_size == 4);
		return ((int32_t *)co->_co_linearray)[index];
		}
		}

		typedef struct _PyShimCodeDef {
		const uint8_t *code;
		int codelen;
Expand DownExpand Up		@@ -500,6 +474,10 @@ extern uint32_t _Py_next_func_version;

		#define COMPARISON_NOT_EQUALS (COMPARISON_UNORDERED \| COMPARISON_LESS_THAN \| COMPARISON_GREATER_THAN)

		extern int _Py_Instrument(PyCodeObject co, PyInterpreterState interp);

		extern int _Py_GetBaseOpcode(PyCodeObject *code, int offset);


		#ifdef __cplusplus
		}
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,107 @@

		#ifndef Py_INTERNAL_INSTRUMENT_H
		#define Py_INTERNAL_INSTRUMENT_H


		#include "pycore_bitutils.h" // _Py_popcount32
		#include "pycore_frame.h"

		#include "cpython/code.h"

		#ifdef __cplusplus
		extern "C" {
		#endif

		#define PY_MONITORING_TOOL_IDS 8

		/* Local events.
		* These require bytecode instrumentation */

		#define PY_MONITORING_EVENT_PY_START 0
		#define PY_MONITORING_EVENT_PY_RESUME 1
		#define PY_MONITORING_EVENT_PY_RETURN 2
		#define PY_MONITORING_EVENT_PY_YIELD 3
		#define PY_MONITORING_EVENT_CALL 4
		#define PY_MONITORING_EVENT_LINE 5
		#define PY_MONITORING_EVENT_INSTRUCTION 6
		#define PY_MONITORING_EVENT_JUMP 7
		#define PY_MONITORING_EVENT_BRANCH 8
		#define PY_MONITORING_EVENT_STOP_ITERATION 9

		#define PY_MONITORING_INSTRUMENTED_EVENTS 10

		/* Other events, mainly exceptions */

		#define PY_MONITORING_EVENT_RAISE 10
		#define PY_MONITORING_EVENT_EXCEPTION_HANDLED 11
		#define PY_MONITORING_EVENT_PY_UNWIND 12
		#define PY_MONITORING_EVENT_PY_THROW 13


		/* Ancilliary events */

		#define PY_MONITORING_EVENT_C_RETURN 14
		#define PY_MONITORING_EVENT_C_RAISE 15


		typedef uint32_t _PyMonitoringEventSet;

		/* Tool IDs */

		/* These are defined in PEP 669 for convenience to avoid clashes */
		#define PY_MONITORING_DEBUGGER_ID 0
		#define PY_MONITORING_COVERAGE_ID 1
		#define PY_MONITORING_PROFILER_ID 2
		#define PY_MONITORING_OPTIMIZER_ID 5

		/* Internal IDs used to suuport sys.setprofile() and sys.settrace() */
		#define PY_MONITORING_SYS_PROFILE_ID 6
		#define PY_MONITORING_SYS_TRACE_ID 7


		PyObject _PyMonitoring_RegisterCallback(int tool_id, int event_id, PyObject obj);

		int _PyMonitoring_SetEvents(int tool_id, _PyMonitoringEventSet events);

		extern int
		_Py_call_instrumentation(PyThreadState *tstate, int event,
		_PyInterpreterFrame frame, _Py_CODEUNIT instr);

		extern int
		_Py_call_instrumentation_line(PyThreadState tstate, _PyInterpreterFrame frame,
		_Py_CODEUNIT *instr);

		extern int
		_Py_call_instrumentation_instruction(
		PyThreadState tstate, _PyInterpreterFrame frame, _Py_CODEUNIT *instr);

		int
		_Py_call_instrumentation_jump(
		PyThreadState *tstate, int event,
		_PyInterpreterFrame frame, _Py_CODEUNIT instr, _Py_CODEUNIT *target);

		extern int
		_Py_call_instrumentation_arg(PyThreadState *tstate, int event,
		_PyInterpreterFrame frame, _Py_CODEUNIT instr, PyObject *arg);

		extern int
		_Py_call_instrumentation_2args(PyThreadState *tstate, int event,
		_PyInterpreterFrame frame, _Py_CODEUNIT instr, PyObject arg0, PyObject arg1);

		extern void
		_Py_call_instrumentation_exc0(PyThreadState *tstate, int event,
		_PyInterpreterFrame frame, _Py_CODEUNIT instr);

		extern void
		_Py_call_instrumentation_exc2(PyThreadState *tstate, int event,
		_PyInterpreterFrame frame, _Py_CODEUNIT instr, PyObject arg0, PyObject arg1);

		extern int
		_Py_Instrumentation_GetLine(PyCodeObject *code, int index);

		extern PyObject _PyInstrumentation_MISSING;

		#ifdef __cplusplus
		}
		#endif
		#endif /* !Py_INTERNAL_INSTRUMENT_H */
Original file line number	Diff line number	Diff line change
Expand Up		@@ -24,6 +24,7 @@ extern "C" {
		#include "pycore_genobject.h" // struct _Py_async_gen_state
		#include "pycore_gc.h" // struct _gc_runtime_state
		#include "pycore_import.h" // struct _import_state
		#include "pycore_instruments.h" // PY_MONITORING_EVENTS
		#include "pycore_list.h" // struct _Py_list_state
		#include "pycore_global_objects.h" // struct _Py_interp_static_objects
		#include "pycore_object_state.h" // struct _py_object_state
Expand All		@@ -37,7 +38,6 @@ struct _Py_long_state {
		int max_str_digits;
		};


		/* interpreter state */

		/* PyInterpreterState holds the global state for one of the runtime's
Expand All		@@ -49,6 +49,9 @@ struct _is {

		PyInterpreterState *next;

		uint64_t monitoring_version;
		uint64_t last_restart_version;

		struct pythreads {
		uint64_t next_unique_id;
		/* The linked list of threads, newest first. */
Expand DownExpand Up		@@ -148,6 +151,15 @@ struct _is {
		struct callable_cache callable_cache;
		PyCodeObject *interpreter_trampoline;

		_Py_Monitors monitors;
		bool f_opcode_trace_set;
		bool sys_profile_initialized;
		bool sys_trace_initialized;
		Py_ssize_t sys_profiling_threads; /* Count of threads with c_profilefunc set */
		Py_ssize_t sys_tracing_threads; /* Count of threads with c_tracefunc set */
		PyObject *monitoring_callables[PY_MONITORING_TOOL_IDS][PY_MONITORING_EVENTS];
		PyObject *monitoring_tool_names[PY_MONITORING_TOOL_IDS];

		struct _Py_interp_cached_objects cached_objects;
		struct _Py_interp_static_objects static_objects;

Expand Down