Add heap_size to get_gc_stats

Author: sergey-miryanov

Lib/test/test_gc_stats.py

@@ -22,7 +22,7 @@
 
 GC_STATS_FIELDS = (
     "gen", "iid", "ts_start", "ts_stop", "collections", "collected",
-    "uncollectable", "candidates", "duration")
+    "uncollectable", "candidates", "heap_size", "duration")
 
 
 def get_interpreter_identifiers(gc_stats) -> tuple[int,...]:

Modules/_remote_debugging/gc_stats.c

@@ -53,6 +53,7 @@ read_gc_stats(struct gc_stats *stats, int64_t iid, PyObject *result,
             SET_FIELD(PyLong_FromSsize_t, items->collected);
             SET_FIELD(PyLong_FromSsize_t, items->uncollectable);
             SET_FIELD(PyLong_FromSsize_t, items->candidates);
+            SET_FIELD(PyLong_FromSsize_t, items->heap_size);
 
             SET_FIELD(PyFloat_FromDouble, items->duration);
 

Modules/_remote_debugging/module.c

@@ -143,6 +143,7 @@ static PyStructSequence_Field GCStatsInfo_fields[] = {
     {"collected", "Total number of collected objects"},
     {"uncollectable", "Total number of uncollectable objects"},
     {"candidates", "Total objects considered and traversed"},
+    {"heap_size", "Number of live objects"},
     {"duration", "Total collection time, in seconds"},
     {NULL}
 };
@@ -151,7 +152,7 @@ PyStructSequence_Desc GCStatsInfo_desc = {
     "_remote_debugging.GCStatsInfo",
     "Information about a garbage collector stats sample",
     GCStatsInfo_fields,
-    9
+    10
 };
 
 /* ============================================================================
@@ -1225,6 +1226,7 @@ Returns a list of GCStatsInfo objects with GC statistics data.
         - collected: Total number of collected objects.
         - uncollectable: Total number of uncollectable objects.
         - candidates: Total objects considered and traversed.
+        - heap_size: number of live objects.
         - duration: Total collection time, in seconds.
 
 Raises: