diff --git a/.gitignore b/.gitignore
index 92805d5..a165c71 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,4 @@ lib/oga/xml/parser.rb
 benchmark/fixtures/big.xml
 
 profile/samples/*.txt
-profile/samples/lexer/*.txt
+profile/samples/*/*.txt
diff --git a/profile/parser/big_xml.rb b/profile/parser/big_xml.rb
new file mode 100644
index 0000000..4baea58
--- /dev/null
+++ b/profile/parser/big_xml.rb
@@ -0,0 +1,8 @@
+require_relative '../profile_helper'
+
+xml    = read_big_xml
+parser = Oga::XML::Parser.new(xml)
+
+profile_memory('parser/big_xml')
+
+parser.parse
diff --git a/profile/plot/parser/big_xml.gnuplot b/profile/plot/parser/big_xml.gnuplot
new file mode 100755
index 0000000..a836605
--- /dev/null
+++ b/profile/plot/parser/big_xml.gnuplot
@@ -0,0 +1,20 @@
+#!/usr/bin/env gnuplot
+
+set title "DOM parsing 10MB of XML"
+
+set xlabel "Sample"
+set ylabel "Memory (MB)"
+
+set yrange [0:*]
+
+set term qt persist size 900,600
+set grid
+
+set style line 1 lc rgb "#0060ad" lt 1 lw 2 pt 7 ps 1
+
+plot "profile/samples/parser/big_xml.txt" \
+    using 0:($1 / 1024 ** 2) \
+    with linespoints ls 1 \
+    title "Memory"
+
+# vim: set ft=gnuplot:
diff --git a/profile/samples/parser/.gitkeep b/profile/samples/parser/.gitkeep
new file mode 100644
index 0000000..e69de29