diff --git a/.gitmodules b/.gitmodules
index 9cbf247..bf317d9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7018,3 +7018,6 @@
 [submodule "libntlm"]
 	path = libntlm
 	url = ../../pool-internal/libntlm
+[submodule "sysprof"]
+	path = sysprof
+	url = ../../pool-internal/sysprof
diff --git a/sysprof b/sysprof
new file mode 160000
index 0000000..518ed33
--- /dev/null
+++ b/sysprof
@@ -0,0 +1 @@
+Subproject commit 518ed3397078c888bc1d6813f78f5d120993b9a4