bb-matrix-plot.sh: Show underscores correctly in labels

Underscores previously caused the next character in the label to be
printed using subscript due to the enhanced string support in gnuplot.

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/scripts/contrib/bb-perf/bb-matrix-plot.sh b/scripts/contrib/bb-perf/bb-matrix-plot.sh
index e7bd129e9ed838e50197261554db3e0103cb5fa5..6672189c95f24997ab87f88e6dd5bb5b37959f7a 100755 (executable)
--- a/scripts/contrib/bb-perf/bb-matrix-plot.sh
+++ b/scripts/contrib/bb-perf/bb-matrix-plot.sh
@@ -16,8 +16,8 @@
 
 # Setup the defaults
 DATFILE="bb-matrix.dat"
-XLABEL="BB_NUMBER_THREADS"
-YLABEL="PARALLEL_MAKE"
+XLABEL="BB\\\\_NUMBER\\\\_THREADS"
+YLABEL="PARALLEL\\\\_MAKE"
 FIELD=3
 DEF_TITLE="Elapsed Time (seconds)"
 PM3D_FRAGMENT="unset surface; set pm3d at s hidden3d 100"