diff --git a/scripts/plots/skylake/stackedperf.pdf b/scripts/plots/skylake/stackedperf.pdf
index f61c1efda..364a9033a 100644
Binary files a/scripts/plots/skylake/stackedperf.pdf and b/scripts/plots/skylake/stackedperf.pdf differ
diff --git a/scripts/refreshplot.sh b/scripts/refreshplot.sh
new file mode 100755
index 000000000..4c7b1c440
--- /dev/null
+++ b/scripts/refreshplot.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+[[ "$(command -v gnuplot)" ]] || { echo "gnuplot is not installed" 1>&2 ; exit 1; }
+
+SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
+
+gnuplot -e "filename='plots/skylake/parselinuxtable.txt';name='plots/skylake/stackedperf.pdf'" $SCRIPTPATH/stackbar.gnuplot
+
+echo "plots/skylake/stackedperf.pdf"
\ No newline at end of file
diff --git a/scripts/stackbar.gnuplot b/scripts/stackbar.gnuplot
index a02e64e0d..fea6fc3b2 100644
--- a/scripts/stackbar.gnuplot
+++ b/scripts/stackbar.gnuplot
@@ -1,4 +1,4 @@
-set term pdfcairo fontscale 0.5 noenhanced
+set term pdfcairo fontscale 0.7 noenhanced
 set output name
 set boxwidth 0.8
 set style fill solid 
@@ -20,30 +20,44 @@ set xtics nomirror
 set ytics nomirror
 
 set yrange [0:]
+#set key right top;
+set key  samplen 1 spacing 1.5 # font ",12"
+set key width -2 
+set key maxrows 4
+set key noenhanced
 
-#set key right
-set key outside
+set key Left  at 14,4.2 #at 5.5,4
+#set key right top
+#set key outside
+set key invert
 set style data histograms
 set style histogram rowstacked
 set xtic rotate by 300 scale 1
 
-set style line 1 lt rgb "#A00000" lw 1 pt 1 ps 1
-set style line 2 lt rgb "#00A000" lw 1 pt 1 ps 1
-set style line 3 lt rgb "#5060D0" lw 1 pt 1 ps 1
-set style line 4 lt rgb "red" lw 1 pt 1 ps 1
-set style line 5 lt rgb "#808000" lw 1 pt 1 ps 1
-set style line 6 lt rgb "#00008B" lw 1 pt 1 ps 1
-set style line 7 lt rgb "black" lw 1 pt 1 ps 1
-set style line 8 lt rgb "blue" lw 1 pt 1 ps 1
-set style line 9 lt rgb "violet" lw 1 pt 1 ps 1
+set style line 1 lt rgb "#A00000" 
+set style line 2 lt rgb "#00A000"
+set style line 3 lt rgb "orange" 
+set style line 4 lt rgb "#5060D0"
+set style line 5 lt rgb "#0099FB"# "#00008B"
+set style line 6 lt rgb "black" 
+set style line 7 lt rgb "blue" lw 1 pt 1 ps 1
+set style line 8 lt rgb "#5060D0" lw 1 pt 1 ps 1
+
+clamp(a) = (a < 0) ? 0 : a
 
 # plot filename using 3 t "stage 1" ls 2, '' using 4 t "stage 2" ls 3, '' using 5:xtic(1) t "stage 3" ls 1
-plot filename using 8 t "stage 1 without utf8 validation" ls 1, '' using ($3-$8)  t "utf8 validation (stage 1)" ls 2, '' using 4 t "stage 2" ls 3, '' using ($20 + $15 - $5) t "stage 3 (no number or string)" ls 4, '' using ($5 - $20) t "string parsing (stage 3)" ls 5,  '' using ($5 - $15):xtic(1) t "number parsing (stage 3)" ls 6
+plot filename using 9 t "1: no utf8" ls 1,\
+ '' using (clamp($3-$9))  t "1: just utf8" ls 2,\
+ '' using 4 t "stage 2" ls 3,\
+ '' using (clamp($23 + $17 - $5)) t "3: core" ls 4,\
+ '' using (clamp($5 - $23)) t "3: strings" ls 5,\
+ '' using (clamp($5 - $17)):xtic(1) t "3: numbers" ls 6
 
 
 
-# 1, 2 mem, 3 st1, 4 st2, 5  st3
-# 6, 7 mem, 8 st1, 9 st2, 10  st3 // noutf8
-# 11, 12 mem, 13 st1, 14 st2, 15  st3 // nonumber
-# 16, 17 mem, 18 st1, 19 st2, 20  st3 // nostring
-# string: $5 - $20 , number $5 - $15, no string no number $5 - ($5 - $20) - ($5 - $15) = $20 + $15 - $5
+#plot filename using (clamp($5 - $23)):xtic(1)  t "stage 3: just string parsing" ls 5
+# 1, 2 mem, 3 st1, 4 st2, 5  st3, 6 total
+# 7, 8 mem, 9 st1, 10 st2, 11  st3, 12 total // noutf8
+# 13, 14 mem, 15 st1, 16 st2, 17  st3, 18 total // nonumber
+# 19, 20 mem, 21 st1, 22 st2, 23  st3, 24 total // nostring
+# string: $5 - $23 , number $5 - $17, no string no number $5 - ($5 - $20) - ($5 - $15) = $23 + $17 - $5