Plot time offsets on X axes when profiling.

profile/gnuplot/memory_time.gpi

@@ -2,20 +2,15 @@
 
 set title sample_file
 
-set xlabel "Time"
+set xlabel "Runtime (seconds)"
 set ylabel "Memory (MB)"
 
-set xdata time
-set timefmt "%Y-%m-%dT%H:%M:%S"
-
-set yrange [0:*]
+set xtics 1
 
 set term wx persist size 900,600
 set grid
 
 set style line 1 lc rgb "#0060ad" lt 1 lw 2 pt 7 ps 1
+set style data linespoints
 
-plot sample_file \
-    using 1:($2 / 1024 ** 2) \
-    with linespoints ls 1 \
-    title "Memory"
+plot sample_file using 1:($2 / 1024 ** 2) ls 1 title "Memory"