diff --git a/etc/pctile.plot b/etc/pctile.plot
new file mode 100644
index 00000000..83d95506
--- /dev/null
+++ b/etc/pctile.plot
@@ -0,0 +1,7 @@
+# a handy gnuplot instruction set for plotting percentiler dumps
+set ylabel 'Count'
+set y2label 'Percentile'
+set y2tics
+set grid
+plot 'pctile.data' using 1:3 axes x1y1 title 'Count' with histeps, \
+     'pctile.data' using 1:2 axes x1y2 title 'Pecentile' with lines;