gh-159207: Store Tachyon samples in bounded columnar blocks

Lib/profiling/sampling/binary_collector.py

@@ -146,7 +146,7 @@ def get_stats(self):
         """Get encoding statistics.
 
         Returns:
-            Dict with encoding statistics including repeat/full/suffix/pop-push
+            Dict with encoding statistics including repeat/full/suffix/reuse
             record counts, frames written/saved, and compression ratio.
         """
         return self._writer.get_stats()

Lib/profiling/sampling/sample.py

@@ -411,22 +411,22 @@ def _print_binary_stats(self, collector):
         repeat_samples = stats.get('repeat_samples', 0)
         full_records = stats.get('full_records', 0)
         suffix_records = stats.get('suffix_records', 0)
-        pop_push_records = stats.get('pop_push_records', 0)
+        reuse_records = stats.get('reuse_records', 0)
         total_records = stats.get('total_records', 0)
 
         if total_records > 0:
             repeat_pct = repeat_records / total_records * 100
             full_pct = full_records / total_records * 100
             suffix_pct = suffix_records / total_records * 100
-            pop_push_pct = pop_push_records / total_records * 100
+            reuse_pct = reuse_records / total_records * 100
         else:
-            repeat_pct = full_pct = suffix_pct = pop_push_pct = 0
+            repeat_pct = full_pct = suffix_pct = reuse_pct = 0
 
         print(f"    Records:          {total_records:,}")
         print(f"      RLE repeat:     {repeat_records:,} ({ANSIColors.GREEN}{repeat_pct:.1f}%{ANSIColors.RESET}) [{repeat_samples:,} samples]")
         print(f"      Full stack:     {full_records:,} ({full_pct:.1f}%)")
         print(f"      Suffix match:   {suffix_records:,} ({suffix_pct:.1f}%)")
-        print(f"      Pop-push:       {pop_push_records:,} ({pop_push_pct:.1f}%)")
+        print(f"      Stack reuse:    {reuse_records:,} ({reuse_pct:.1f}%)")
 
         frames_written = stats.get('total_frames_written', 0)
         frames_saved = stats.get('frames_saved', 0)