instances number 1 for derived metrics

Change-Id: Id1cc33811755baeb26e944e9362ab035e528058c

bin/rpl_run.sh

@@ -140,9 +140,9 @@ usage() {
   echo "  --ctx-limit <max number> - maximum number of outstanding contexts [0 - unlimited]"
   echo "  --heartbeat <rate sec> - to print progress heartbeats [0 - disabled]"
   echo ""
-  echo "  --stats - generating kernel executino stats"
-  echo "  --hsa-trace - to trace HSA, generates API execution stats and JSON file viewable in chrome tracing"
-  echo "  --hip-trace - to trace HIP, generates API execution stats and JSON file viewable in chrome tracing"
+  echo "  --stats - generating kernel execution stats, file <output name>.stats.csv"
+  echo "  --hsa-trace - to trace HSA, generates API execution stats and JSON file chrome-tracing compatible"
+  echo "  --hip-trace - to trace HIP, generates API execution stats and JSON file chrome-tracing compatible"
   echo "    Generated files: <output name>.hsa_stats.txt <output name>.json"
   echo "    Traced API list can be set by input .txt or .xml files."
   echo "    Input .txt:"