diff --git a/mk/linux/mg_callgrind.sh b/mk/linux/mg_callgrind.sh
new file mode 100755
index 000000000..cfac42d1e
--- /dev/null
+++ b/mk/linux/mg_callgrind.sh
@@ -0,0 +1,18 @@
+#! /bin/sh
+# Use this script to test performance while running MegaGlest
+# ----------------------------------------------------------------------------
+# Written by Mark Vejvoda <mark_vejvoda@hotmail.com>
+# Copyright (c) 2011 Mark Vejvoda under GNU GPL v3.0+
+
+exec 3>&1
+export GLIBCPP_FORCE_NEW=1
+export GLIBCXX_FORCE_NEW=1
+export G_SLICE=always-malloc
+
+exec valgrind --tool=callgrind \
+           "$@" 2>&1 1>&3 3>&- |
+sed 's/^==[0-9]*==/==/' >&2 1>&2 3>&-
+
+echo 'Look for a generated file called callgrind.out.x.'
+echo 'You can then use kcachegrind tool to read this file.'
+echo 'It will give you a graphical analysis of things with results like which lines cost how much.'