diff --git a/README.adoc b/README.adoc
index 41e0a1f..3119b17 100644
--- a/README.adoc
+++ b/README.adoc
@@ -1719,6 +1719,10 @@ GEM5 commands and cycle counts at commit da79d6c6cde0fbe5473ce868c9be4771160a003
 # 20M
 ./run -a x86_64 -g -- --caches --l1d_size=1024 --l2cache --l2_size=1024 --l3_size=1024
 ./run -a x86_64 -g -- --caches --l1d_size=1024MB --l2cache --l2_size=1024MB --l3_size=1024MB
+
+# TODO
+./run -a x86_64 -g -- --caches --cpu-type=DerivO3CPU --l1d_size=1024 --l2cache --l2_size=1024 --l3_size=1024
+./run -a x86_64 -g -- --caches --cpu-type=DerivO3CPU --l1d_size=1024MB --l2cache --l2_size=1024MB --l3_size=1024MB
 ....
 +
 From those results, we see that caches are effectively used in `HPI`, even though they don't show up correctly on the Linux kernel.