buildstats-plot.sh: Show spaces and underscores correctly in titles/keys

Spaces were previously converted to dashes, and underscores caused the
next character in the title/key 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: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/scripts/contrib/bb-perf/buildstats-plot.sh b/scripts/contrib/bb-perf/buildstats-plot.sh
index 80fd30960c938984f31eefffa155a15b432f9213..45c27d0b9727321f9be5633f066a17c417956994 100755 (executable)
--- a/scripts/contrib/bb-perf/buildstats-plot.sh
+++ b/scripts/contrib/bb-perf/buildstats-plot.sh
@@ -120,7 +120,7 @@ OUTBUILDSTATS="$PWD/buildstats.log"
 $CD/buildstats.sh -b "$BS_DIR" -s "$STATS" -t "$TASKS" $RECIPE $ACCUMULATE -H > $OUTBUILDSTATS
 
 # Get headers
-HEADERS=$(cat $OUTBUILDSTATS | sed -n -e '1s/ /-/g' -e '1s/:/ /gp')
+HEADERS=$(cat $OUTBUILDSTATS | sed -n -e 's/\(.*\)/"\1"/' -e '1s/ /\\\\\\\\ /g' -e 's/_/\\\\\\\\_/g' -e '1s/:/" "/gp')
 
 echo -e "set boxwidth 0.9 relative"
 echo -e "set style data histograms"
@@ -129,7 +129,7 @@ echo -e "set xtics rotate by 45 right"
 
 # Get output data
 if [ -z "$SUM" ]; then
-    cat $OUTBUILDSTATS | sed -e '1d' | sort -k3 -n -r | head -$N > $OUTDATA_FILE
+    cat $OUTBUILDSTATS | sed -e '1d' -e 's/_/\\\\_/g' | sort -k3 -n -r | head -$N > $OUTDATA_FILE
     # include task at recipe column
     sed -i -e "1i\
 ${HEADERS}" $OUTDATA_FILE