diff --git a/scripts/deltams.py b/scripts/deltams.py
new file mode 100755
index 0000000..cac13fe
--- /dev/null
+++ b/scripts/deltams.py
@@ -0,0 +1,31 @@
+#!/usr/bin/python3
+import sys,re
+
+owd = f"./out/{sys.argv[1]}/log/server-udpecho-stdout.log"
+rtt = f"./out/{sys.argv[1]}/res/{sys.argv[2]}.csv"
+
+agg = {}
+last_pkt = 0
+
+with open(owd, 'r') as f:
+  for line in f:
+    res = re.match(r".*Packet (\d+) latency (\d+)µs", line)
+    if not res: continue
+    pkt_id,lat = res.groups()
+    pkt_id,lat = int(pkt_id), int(lat)
+    agg[pkt_id] = {"owd": lat }
+
+with open(rtt, 'r') as f:
+  for line in f:
+    res = re.match(r".*Packet (\d+) latency (\d+)µs", line)
+    if not res: continue
+    pkt_id,lat = res.groups()
+    pkt_id,lat = int(pkt_id), int(lat)
+    agg[pkt_id]["rtt"] = lat
+    last_pkt = pkt_id
+
+for i in range(last_pkt):
+  if i not in agg: continue
+  if "rtt" not in agg[i]: continue
+
+  print(abs((agg[i]["rtt"] - 2*agg[i]["owd"]) / 1000), agg[i]["owd"] / 1000, (agg[i]["rtt"] - agg[i]["owd"]) / 1000, i)