@@ -9,6 +9,7 @@

 # ``stack.sh`` calls the entry points in this order:

 #

+# - install_dstat

 # - start_dstat

 # - stop_dstat

@@ -16,6 +17,14 @@

 _XTRACE_DSTAT=$(set +o | grep xtrace)

 set +o xtrace

+# install_dstat() - Install prerequisites for dstat services

+function install_dstat {

+    if is_service_enabled memory_tracker; then

+        # Install python libraries required by tools/mlock_report.py

+        pip_install_gr psutil

+    fi

+}

+

 # start_dstat() - Start running processes

 function start_dstat {

     # A better kind of sysstat, with the top process per time slice

@@ -867,6 +867,13 @@ if is_service_enabled tls-proxy; then

     init_cert

 fi

+# Dstat

+# -----

+

+# Install dstat services prerequisites

+install_dstat

+

+

 # Check Out and Install Source

 # ----------------------------