Remove 'world_stops' and 'sys._get_world_stops'.

This would be better to be part of the pystats info.

Author: nascheme

Include/internal/pycore_interp.h

@@ -57,7 +57,6 @@ struct _stoptheworld_state {
     bool requested;      // Set when a pause is requested.
     bool world_stopped;  // Set when the world is stopped.
     bool is_global;      // Set when contained in PyRuntime struct.
-    Py_ssize_t world_stops; // Number of times the world was stopped.
 
     PyEvent stop_event;  // Set when thread_countdown reaches zero.
     Py_ssize_t thread_countdown;  // Number of threads that must pause.

Python/clinic/sysmodule.c.h

@@ -2355,7 +2355,6 @@ start_the_world(struct _stoptheworld_state *stw)
     assert(PyMutex_IsLocked(&stw->mutex));
 
     HEAD_LOCK(runtime);
-    stw->world_stops++;
     stw->requested = 0;
     stw->world_stopped = 0;
     // Switch threads back to the detached state.
@@ -2731,7 +2730,6 @@ _PyGILState_Fini(PyInterpreterState *interp)
         return;
     }
     interp->runtime->gilstate.autoInterpreterState = NULL;
-    //fprintf(stderr, "world stops %zd\n", interp->stoptheworld.world_stops);
 }
 
 

Python/pystate.c

@@ -2527,27 +2527,6 @@ sys__is_gil_enabled_impl(PyObject *module)
 #endif
 }
 
-/*[clinic input]
-sys._get_world_stops
-
-Return the number of times the "stop-the-world" condition was true.
-[clinic start generated code]*/
-
-static PyObject *
-sys__get_world_stops_impl(PyObject *module)
-/*[clinic end generated code: output=7886d32b71a94e72 input=44a9bde7e07b30e3]*/
-{
-    Py_ssize_t stops;
-#ifdef Py_GIL_DISABLED
-    PyInterpreterState *interp = _PyInterpreterState_GET();
-    stops = interp->stoptheworld.world_stops;
-#else
-    stops = 0;
-#endif
-    return PyLong_FromLong(stops);
-}
-
-
 
 static PerfMapState perf_map_state;
 
@@ -2724,7 +2703,6 @@ static PyMethodDef sys_methods[] = {
 #endif
     SYS__GET_CPU_COUNT_CONFIG_METHODDEF
     SYS__IS_GIL_ENABLED_METHODDEF
-    SYS__GET_WORLD_STOPS_METHODDEF
     SYS__DUMP_TRACELETS_METHODDEF
     {NULL, NULL}  // sentinel
 };