diff --git a/selfdrive/debug/internal/qlog_size.py b/selfdrive/debug/internal/qlog_size.py
index c0c154665d..939eb09f74 100755
--- a/selfdrive/debug/internal/qlog_size.py
+++ b/selfdrive/debug/internal/qlog_size.py
@@ -1,6 +1,9 @@
 #!/usr/bin/env python3
 import argparse
 import bz2
+import zstd
+import lz4.frame
+import zlib
 from collections import defaultdict
 
 import matplotlib.pyplot as plt
@@ -8,28 +11,52 @@ import matplotlib.pyplot as plt
 from cereal.services import SERVICE_LIST
 from openpilot.tools.lib.logreader import LogReader
 from openpilot.tools.lib.route import Route
+from tqdm import tqdm
 
 MIN_SIZE = 0.5  # Percent size of total to show as separate entry
 
 
+def compress(data):
+  # return lz4.frame.compress(data)
+  # return zlib.compress(data)
+  # return bz2.compress(data)
+  return zstd.compress(data)
+
+
 def make_pie(msgs, typ):
   msgs_by_type = defaultdict(list)
+  print(len(msgs))
   for m in msgs:
-    msgs_by_type[m.which()].append(m.as_builder().to_bytes())
+    # # print(dir(m.as_builder()))
+    # print(m.which())
+    # print(len(m.as_builder().to_bytes()))
+    # print(len(m.as_builder().to_bytes_packed()))
+    # break
+    msgs_by_type[m.which()].append(m.as_builder().to_bytes_packed())
 
   length_by_type = {k: len(b"".join(v)) for k, v in msgs_by_type.items()}
-  compressed_length_by_type = {k: len(bz2.compress(b"".join(v))) for k, v in msgs_by_type.items()}
+  compressed_length_by_type = {k: len(compress(b"".join(v))) for k, v in msgs_by_type.items()}
+
+  compressed_length_by_type_v2 = {}
 
   total = sum(compressed_length_by_type.values())
-  uncompressed_total = len(b"".join([m.as_builder().to_bytes() for m in msgs]))
+  real_total = len(compress(b"".join([m.as_builder().to_bytes_packed() for m in msgs])))
+  uncompressed_total = len(b"".join([m.as_builder().to_bytes_packed() for m in msgs]))
+
+  for k in tqdm(msgs_by_type.keys()):
+    compressed_length_by_type_v2[k] = real_total - len(compress(b"".join([m.as_builder().to_bytes_packed() for m in msgs if m.which() != k])))
+    # print(k, compressed_length_by_type_v2[k])
 
   sizes = sorted(compressed_length_by_type.items(), key=lambda kv: kv[1])
+  # sizes = sorted(compressed_length_by_type_v2.items(), key=lambda kv: kv[1])
 
   print("name - comp. size (uncomp. size)")
   for (name, sz) in sizes:
-    print(f"{name:<22} - {sz / 1024:.2f} kB ({length_by_type[name] / 1024:.2f} kB)")
+    print(f"{name:<22} - {sz / 1024:.2f} kB / {compressed_length_by_type_v2[name] / 1024:.2f} kB ({length_by_type[name] / 1024:.2f} kB)")
   print()
   print(f"{typ} - Total {total / 1024:.2f} kB")
+  print(f"{typ} - Real {real_total / 1024:.2f} kB")
+  print(f"{typ} - Simulated total (v2) {sum(compressed_length_by_type_v2.values()) / 1024:.2f} MB")
   print(f"{typ} - Uncompressed total {uncompressed_total / 1024 / 1024:.2f} MB")
 
   sizes_large = [(k, sz) for (k, sz) in sizes if sz >= total * MIN_SIZE / 100]