scripts: add a script which prints memory map of running busybox

diff --git a/scripts/memusage b/scripts/memusage
index 863b0cb..4ef5608 100755
--- a/scripts/memusage
+++ b/scripts/memusage
@@ -3,7 +3,7 @@
 busybox=../busybox
 
 i=4000
-echo "Before we started $i copies of 'busybox sleep 10':"
+echo "Before we started $i copies of '$busybox sleep 10':"
 $busybox nmeter '%t %[pn] %m' | head -3
 
 while test $i != 0; do
diff --git a/scripts/sample_pmap b/scripts/sample_pmap
new file mode 100755
index 0000000..e7fb457
--- /dev/null
+++ b/scripts/sample_pmap
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+busybox=../busybox
+
+$busybox sleep 10 &
+pid=$!
+sleep 1
+
+echo "Memory map of '$busybox sleep 10':"
+size $busybox
+pmap $pid | env - grep "^[0-9a-f][0-9a-f]* " | sort -r -t " " -k2,999