refscale: Change --torture type from refperf to refscale

This commit renames the rcutorture config/refperf to config/refscale to
further avoid conflation with the Linux kernel's perf feature.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

tools/testing/selftests/rcutorture/bin/kvm-recheck-refperf.sh → tools/testing/selftests/rcutorture/bin/kvm-recheck-refscale.sh

 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0+
 #
-# Analyze a given results directory for refperf performance measurements.
+# Analyze a given results directory for refscale performance measurements.
 #
-# Usage: kvm-recheck-refperf.sh resdir
+# Usage: kvm-recheck-refscale.sh resdir
 #
 # Copyright (C) IBM Corporation, 2016
 #
@@ -51,7 +51,7 @@ END {
 	print configfile " results:";
 	newNR = asort(readertimes);
 	if (newNR <= 0) {
-		print "No refperf records found???"
+		print "No refscale records found???"
 		exit;
 	}
 	medianidx = int(newNR / 2);
@@ -67,5 +67,5 @@ END {
 	print "Minimum reader duration: " readertimes[1];
 	print "Median reader duration: " medianvalue;
 	print "Maximum reader duration: " readertimes[newNR];
-	print "Computed from refperf printk output.";
+	print "Computed from refscale printk output.";
 }'

tools/testing/selftests/rcutorture/bin/kvm.sh

@@ -180,14 +180,14 @@ do
 		shift
 		;;
 	--torture)
-		checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuperf\|refperf\)$' '^--'
+		checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuperf\|refscale\)$' '^--'
 		TORTURE_SUITE=$2
 		shift
-		if test "$TORTURE_SUITE" = rcuperf || test "$TORTURE_SUITE" = refperf
+		if test "$TORTURE_SUITE" = rcuperf || test "$TORTURE_SUITE" = refscale
 		then
-			# If you really want jitter for refperf or
+			# If you really want jitter for refscale or
 			# rcuperf, specify it after specifying the rcuperf
-			# or the refperf.  (But why jitter in these cases?)
+			# or the refscale.  (But why jitter in these cases?)
 			jitter=0
 		fi
 		;;

tools/testing/selftests/rcutorture/bin/parse-console.sh

@@ -33,8 +33,8 @@ then
 fi
 cat /dev/null > $file.diags
 
-# Check for proper termination, except for rcuperf and refperf.
-if test "$TORTURE_SUITE" != rcuperf && test "$TORTURE_SUITE" != refperf
+# Check for proper termination, except for rcuperf and refscale.
+if test "$TORTURE_SUITE" != rcuperf && test "$TORTURE_SUITE" != refscale
 then
 	# check for abject failure