Merge branch 'qa' into 'qa'

Include example usage in reptest

See merge request !171

test/reptest

@@ -11,6 +11,9 @@ RUNS = 50
 REGISTRY = 'gitlab-registry.cern.ch/hep-benchmarks/hep-workloads'
 
 def help():
+
+    global RUNS
+
     print "reptest {-sd} [-v] [-r RUNS] [-L | -R REGISTRY] OUTPUTDIR BENCHMARK [BENCHMARK_OPTIONS] ...}"
     print "reptest -h"
     print "Option overview:"
@@ -18,9 +21,15 @@ def help():
     print "-v           Display verbose output, including all scores"
     print "-d           Run Docker test"
     print "-s           Run Singularity test"
-    print "-n RUNS      Number of runs to execute"
-    print "-R REGISTRY  Use an alternate (intead of official) Docker registry"
-    print "-L           Run container via local Docker daemon (cannot be used with -s)\n"
+    print "-n RUNS      Number of runs to execute (default " + str(RUNS) + ")"
+    print "-R REGISTRY  Use an alternate (instead of official) Docker registry"
+    print "-L           Run container via local Docker daemon (cannot be used with -s)"
+    print "\nExamples"
+    print "--------"
+    print "Run 'lhcb-gen-sim' 10 times in Docker and Singularity, displaying all scores:"
+    print "reptest -sdv -n 10 /tmp/hwoutput lhcb-gen-sim"
+    print "Run 'atlas-sim-bmk' 5 times in Docker:"
+    print "reptest -d -n 5 /tmp/hwoutput atlas-sim-bmk"
 
 
 def procres(rpath, verbose):
@@ -53,6 +62,11 @@ def procres(rpath, verbose):
         score = jscore[score_key]['score'] 
         if verbose:
             print score
+        try:
+            float(score)
+        except ValueError:
+            print "\nError: invalid score for one or more runs!"
+            sys.exit(2)
         scores.append(score)
 
     if len(scores)!=RUNS: