Truncate histograms

mdboom · mdboom · commit 4925c33a0e41 · 2023-10-05T11:21:51.000-04:00
diff --git a/Tools/scripts/summarize_stats.py b/Tools/scripts/summarize_stats.py
@@ -822,14 +822,19 @@ def __init__(self, key: str, den: str):
 
         def calculate_rows(self, stats: Stats) -> Rows:
             rows: Rows = []
+            last_non_zero = 0
             for k, v in stats.items():
                 if k.startswith(self.key):
                     match = re.match(r".+\[([0-9]+)\]", k)
                     if match is not None:
                         entry = int(match.groups()[0])
+                        if v != 0:
+                            last_non_zero = len(rows)
                         rows.append(
                             (f"<= {entry}", Count(v), Ratio(int(v), stats[self.den]))
                         )
+            # Don't include any zero entries at the end
+            rows = rows[:last_non_zero + 1]
             return rows
 
     class UnsupportedOpcodesTable(SimpleChangeTable):
