utop: Print IDF heap details.

Signed-off-by: Daniël van de Giessen <[email protected]>

Author: DvdGiessen

Diff for: micropython/utop/utop.py

@@ -55,6 +55,21 @@ def top(update_interval_ms=1000, timeout_ms=None):
             print('INFO: Platform does not support listing active tasks.\x1B[K')
             line_count += 1
 
+        if esp32 is not None:
+            print('\x1B[K')
+            line_count += 1
+            for name, cap in (('data', esp32.HEAP_DATA), ('exec', esp32.HEAP_EXEC)):
+                heaps = esp32.idf_heap_info(cap)
+                print('IDF heap ({}): {} regions, {} total, {} free, {} largest contiguous, {} min free watermark\x1B[K'.format(
+                    name,
+                    len(heaps),
+                    sum((h[0] for h in heaps)),
+                    sum((h[1] for h in heaps)),
+                    max((h[2] for h in heaps)),
+                    sum((h[3] for h in heaps))
+                ))
+                line_count += 1
+
         if previous_line_count > line_count:
             for _ in range(previous_line_count - line_count):
                 print('\x1B[K')