[tools] Compute percentiles for GC NVP

tools/eval_gc_time.sh

Index: tools/eval_gc_time.sh
diff --git a/tools/eval_gc_time.sh b/tools/eval_gc_time.sh
index ceb4db54cb4606796c83b8a8983169526f56c9ac..36083ba77f43b5877985cd4bdaf3cd5e5fbe4676 100755
--- a/tools/eval_gc_time.sh
+++ b/tools/eval_gc_time.sh
@@ -17,6 +17,7 @@ print_usage_and_die() {
   echo  "  -c|--csv                               provide csv output"
   echo  "  -f|--file FILE                         profile input in a file"
   echo  "                                         (default: stdin)"
+  echo  "  -p|--percentiles                       comma separated percentiles"
   exit 1
 }
 
@@ -25,6 +26,7 @@ RANK_MODE=max
 TOP_LEVEL=no
 CSV=""
 LOGFILE=/dev/stdin
+PERCENTILES=""
 
 while [[ $# -ge 1 ]]
 do
@@ -60,6 +62,10 @@ do
       LOGFILE=$2
       shift
       ;;
+    -f|--percentiles)
+      PERCENTILES="--percentiles=$2"
+      shift
+      ;;
     *)
       break
       ;;
@@ -145,6 +151,7 @@ case $OP in
       --no-histogram \
       --rank $RANK_MODE \
       $CSV \
+      $PERCENTILES \
       ${INTERESTING_NEW_GEN_KEYS}
     ;;
   old-gen-rank)
@@ -153,6 +160,7 @@ case $OP in
       --no-histogram \
       --rank $RANK_MODE \
       $CSV \
+      $PERCENTILES \
       ${INTERESTING_OLD_GEN_KEYS}
     ;;
   *)