diff --git a/.gitmodules b/.gitmodules
index 7e2b693..d7fb8a7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7687,3 +7687,12 @@
 [submodule "rootlesskit"]
 	path = rootlesskit
 	url = ../../pool/rootlesskit
+[submodule "powertop"]
+	path = powertop
+	url = ../../pool/powertop
+[submodule "python-linux-procfs"]
+	path = python-linux-procfs
+	url = ../../pool/python-linux-procfs
+[submodule "virt-what"]
+	path = virt-what
+	url = ../../pool/virt-what
diff --git a/powertop b/powertop
new file mode 160000
index 0000000..296507c
--- /dev/null
+++ b/powertop
@@ -0,0 +1 @@
+Subproject commit 296507cf327ea1fd66d5b5b0b323b9e6491b0435
diff --git a/python-linux-procfs b/python-linux-procfs
new file mode 160000
index 0000000..4dda101
--- /dev/null
+++ b/python-linux-procfs
@@ -0,0 +1 @@
+Subproject commit 4dda1015b5298c74c9cffa2ae795a916370a9cac
diff --git a/virt-what b/virt-what
new file mode 160000
index 0000000..823eb22
--- /dev/null
+++ b/virt-what
@@ -0,0 +1 @@
+Subproject commit 823eb22b556183f99671798366a04cf7a04b90a1