1 files changed, 4 insertions, 1 deletions

diff --git a/scripts/contrib/bb-perf/bb-matrix.sh b/scripts/contrib/bb-perf/bb-matrix.sh
index b9edd5ff08..37721fe268 100755
--- a/scripts/contrib/bb-perf/bb-matrix.sh
+++ b/scripts/contrib/bb-perf/bb-matrix.sh
@@ -33,6 +33,8 @@
 #
 
 # The following ranges are appropriate for a 4 core system with 8 logical units
+# Use leading 0s to ensure all digits are the same string length, this results
+# in nice log file names and columnar dat files.
 BB_RANGE="04 05 06 07 08 09 10 11 12 13 14 15 16"
 PM_RANGE="04 05 06 07 08 09 10 11 12 13 14 15 16"
 
@@ -62,10 +64,11 @@ for BB in $BB_RANGE; do
                 echo "BB=$BB PM=$PM Logging to $BB_LOG"
 
                 # Export the variables under test and run the bitbake command
+                # Strip any leading zeroes before passing to bitbake
                 export BB_NUMBER_THREADS=$(echo $BB | sed 's/^0*//')
                 export PARALLEL_MAKE="-j $(echo $PM | sed 's/^0*//')"
                 /usr/bin/time -f "$BB $PM $TIME_STR" -a -o $RUNTIME_LOG $BB_CMD &> $BB_LOG
-                
+
                 echo "  $(tail -n1 $RUNTIME_LOG)"
                 echo -n "  Cleaning up..."
                 mv tmp/buildstats $RUNDIR/$BB-$PM-buildstats