Add scripts for realtime plotting erased psace vs free space

[yaffs2.git] / linux-tests / drive_gnuplot.sh

diff --git a/linux-tests/drive_gnuplot.sh b/linux-tests/drive_gnuplot.sh
new file mode 100755 (executable)
index 0000000..0f1ebd8
--- /dev/null
+++ b/linux-tests/drive_gnuplot.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+# drive_gnuplot syntehsises the commands for driving gnuplot
+
+the_log_file=data
+
+plot_str=" plot 'trunc_data' using 1:3 with linespoints title 'free', '' using 1:4 with linespoints title 'erased'"
+
+echo "set title 'yaffs free space and erased space'"
+
+echo $plot_str
+ 
+while true; do
+sleep 1
+tail -100 $the_log_file > trunc_data
+echo replot
+done
+