@@ -0,0 +1,12 @@
+// http://stackoverflow.com/questions/5685471/error-jump-to-case-label
+
+int main() {
+    goto after;
+#if 0
+    // error: jump to label ‘after’
+    // note: crosses initialization of ‘int i’
+    int i = 0;
+#endif
+after:
+    ;
+}
@@ -1,6 +1,4 @@
-/*
-# Empty struct
-*/
+/* Empty struct */
 
 #include "common.h"
 
 
@@ -2,17 +2,25 @@
 set terminal png size 1024, 1024
 set style data linespoints
 set output 'pthread_work.png'
-set multiplot layout 2,1
-set xlabel "cores"
-set ylabel "time (s)"
+set multiplot layout 3,1
+set xlabel "threads"
 
 set title "wall, user and sys"
+set ylabel "time (s)"
 set yrange [-20:]
 set key right center
-plot 'pthread_work.dat' using 2 title 'wall', \
-     'pthread_work.dat' using 3 title 'user', \
-     'pthread_work.dat' using 4 title 'sys'
+plot 'pthread_work.dat' using 1:2 title 'wall', \
+     'pthread_work.dat' using 1:3 title 'user', \
+     'pthread_work.dat' using 1:4 title 'sys'
+
+set title "wall, user and sys / threads"
+set yrange [0:]
+set key right top
+plot 'pthread_work.dat' using 1:($2/$1) title 'wall', \
+     'pthread_work.dat' using 1:($3/$1) title 'user', \
+     'pthread_work.dat' using 1:($4/$1) title 'sys'
 
 set title 'user / wall ratio'
+set ylabel "ratio"
 set yrange [0:*]
 plot 'pthread_work.dat' using 1:($3/$2) notitle
@@ -11,3 +11,4 @@ while [ "$i" -le "$n" ]; do
   ;
   i=$((i + 1))
 done
+./pthread_work.gnuplot
Original file line number	Diff line number	Diff line change
`@@ -11,3 +11,4 @@ while [ "$i" -le "$n" ]; do`
`11`	`11`	`;`
`12`	`12`	`i=$((i + 1))`
`13`	`13`	`done`
	`14`	`+./pthread_work.gnuplot`